














                                  SURVEY CONTROL DATA
                                
                             STATE=MQ
                             [MAY 15, 2026 21:41:3]
                    PROGRAM = datasheet95, VERSION = 8.12.5.20
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DE5245 ***********************************************************************
 DE5245  DESIGNATION -  11855 MIDWAY
 DE5245  PID         -  DE5245
 DE5245  STATE/COUNTY-  MQ/MIDWAY
 DE5245  COUNTRY     -  US
 DE5245  USGS QUAD   -  
 DE5245
 DE5245                         *CURRENT SURVEY CONTROL
 DE5245  ______________________________________________________________________
 DE5245* NAD 83(PA11) POSITION- 28 12 13.66445(N) 177 23 02.72326(W)   ADJUSTED
 DE5245* NAD 83(PA11) ELLIP HT-     3.948 (meters)        (02/20/19)   ADJUSTED
 DE5245* NAD 83(PA11) EPOCH   -  2010.00
 DE5245* LMSL    ORTHO HEIGHT -     2.5   (meters)        8.    (feet) GPS OBS
 DE5245  ______________________________________________________________________
 DE5245  GEOID HEIGHT    -          1.445 (meters)                     EGM08
 DE5245  NAD 83(PA11) X  - -5,619,223.281 (meters)                     COMP
 DE5245  NAD 83(PA11) Y  -   -256,731.050 (meters)                     COMP
 DE5245  NAD 83(PA11) Z  -  2,996,429.493 (meters)                     COMP
 DE5245
 DE5245  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DE5245  Standards:
 DE5245         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DE5245            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DE5245  -------------------------------------------------------------------
 DE5245  NETWORK    2.33   3.27           0.55   1.15   1.67     -0.00000000
 DE5245  -------------------------------------------------------------------
 DE5245  Click here for local accuracies and other accuracy information.
 DE5245
 DE5245.The horizontal coordinates were established by GPS observations
 DE5245.and adjusted by the National Geodetic Survey in June 2012.
 DE5245
 DE5245.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DE5245.been affixed to the stable Pacific tectonic plate. 
 DE5245
 DE5245.The horizontal coordinates are valid at the epoch date displayed above
 DE5245.which is a decimal equivalence of Year/Month/Day.
 DE5245
 DE5245.The orthometric height was determined by GPS observations and a
 DE5245.high-resolution geoid model.
 DE5245
 DE5245.Significant digits in the geoid height do not necessarily reflect accuracy.
 DE5245
 DE5245.Click photographs - Photos may exist for this station.
 DE5245
 DE5245.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DE5245
 DE5245.The ellipsoidal height was determined by GPS observations
 DE5245.and is referenced to NAD 83.
 DE5245
 DE5245. The following values were computed from the NAD 83(PA11) position.
 DE5245
 DE5245;                    North         East     Units Scale Factor Converg.
 DE5245;UTM  01      - 3,119,837.908   462,306.452   MT  0.99961754   -0 10 53.5
 DE5245
 DE5245!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DE5245!UTM  01      -   0.99999938  x   0.99961754  =   0.99961692
 DE5245
 DE5245_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6230619837(NAD 83)
 DE5245
 DE5245                          SUPERSEDED SURVEY CONTROL
 DE5245
 DE5245  ELLIP H (06/27/12)    3.948  (m)                       GP(2010.00)    
 DE5245  NAD 83(1993)-  28 12 13.66723(N)    177 23 02.72327(W) AD(1993.62) B
 DE5245  ELLIP H (07/03/02)    3.830  (m)                       GP(1993.62) 3 1
 DE5245
 DE5245.Superseded values are not recommended for survey control.
 DE5245
 DE5245.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 DE5245.See file dsdata.pdf to determine how the superseded data were derived.
 DE5245
 DE5245_MARKER: DD = SURVEY DISK
 DE5245_SETTING: 35 = SET IN A MAT FOUNDATION OR CONCRETE SLAB OTHER THAN
 DE5245+WITH SETTING: PAVEMENT
 DE5245_SP_SET: CONCRETE PUMPING STATION
 DE5245_STAMPING: 11855 1989 GSG
 DE5245_MARK LOGO: DMA
 DE5245_MAGNETIC: O = OTHER; SEE DESCRIPTION
 DE5245_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
 DE5245_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DE5245+SATELLITE: SATELLITE OBSERVATIONS - October 24, 2018
 DE5245
 DE5245  HISTORY     - Date     Condition        Report By
 DE5245  HISTORY     - UNK      MONUMENTED       DMA
 DE5245  HISTORY     - 20010806 GOOD             NGS
 DE5245  HISTORY     - 20181024 GOOD             PNDENG
 DE5245
 DE5245                          STATION DESCRIPTION
 DE5245
 DE5245'DESCRIBED BY NATIONAL GEODETIC SURVEY 2001 (CSM)
 DE5245'THE STATION IS LOCATED AT MIDWAY ATOLL ON SAND ISLAND AT THE AIRPORT.
 DE5245'IT IS IN THE
 DE5245'TRIANGLE FORMED BETWEEN THE ACTIVE RUNWAY (6-24) AND TWO ABANDONED
 DE5245'RUNWAYS
 DE5245'CURRENTLY USED AS TAXIWAYS.  THE INFIELD TRIANGLE HAS BEEN CEMENTED IN
 DE5245'AS A RAINWATER
 DE5245'CATCHMENT BASIN AS PART OF THE WATER SUPPLY SYSTEM FOR THE ISLAND.
 DE5245'POINT OF CONTACT
 DE5245'IS THE MIDWAY PHOENIX CORPORATION.  THE AIRPORT OPERATIONS MANAGER AT
 DE5245'THE TIME OF
 DE5245'THE SURVEY WAS MR. BILL JOHNSON WHO CAN BE CONTACTED ON THE ISLAND AT
 DE5245'PHONE NUMBER
 DE5245'69.  THE ACTING RANGER OF THE MIDWAY ATOLL NATIONAL WILDLIFE REFUGE
 DE5245'WAS MR. KEN
 DE5245'NIETHAMMER WHO CAN BE REACHED AT PHONE NUMBER 75.  TO REACH THE
 DE5245'STATION FROM THE
 DE5245'AIRPORT TERMINAL BUILDING BY BICYCLE OR GOLF CART (NORMAL MODES OF
 DE5245'TRANPORTATION ON
 DE5245'THE ISLAND), PROCEED ALONG THE RAMP/APRON IN A WESTERLY DIRECTION TO
 DE5245'THE
 DE5245'INTERSECTION WITH THE NORTH-SOUTH TAXIWAY.  TURN LEFT AND PROCEED
 DE5245'SOUTH BRIEFLY TO A
 DE5245'TAXIWAY ON THE RIGHT LEADING SOUTHWEST, BEAR RIGHT AND GO SOUTHWEST TO
 DE5245'THE VICINITY
 DE5245'BEFORE REACHING THE 3 WATER TANKS, TURN LEFT AND GO SOUTH ONTO THE
 DE5245'CATCHMENT BASIN
 DE5245'AND THE STATION TO THE LEFT OF THE PUMPHOUSE.  THE STATION IS A
 DE5245'DEFENSE MAPPING
 DE5245'AGENCY BRONZE DISK CEMENTED IN A DRILL HOLE IN THE TOP OF THE CONCRETE
 DE5245'PUMPING
 DE5245'STRUCTURE.  IT IS APPROXIMATELY 150 FT ESE OF THE NORTHEASTERLY ONE OF
 DE5245'THREE LARGE
 DE5245'ORANGE AND WHITE WATER TANKS IN TOP OF A 1 METER HIGH 50 FT BY 25 FT
 DE5245'CONCRETE
 DE5245'STRUCTURE HOUSING UNDERGROUND SLUICE GATES AND PUMPS, 80.6 FT EAST OF
 DE5245'THE SOUTHEAST
 DE5245'CORNER OF THE PUMPHOUSE (BLDG NO 8106) AND 7.5 FT NORTHWEST OF THE
 DE5245'SOUTHEAST CORNER
 DE5245'OF THE CONCRETE STRUCTURE.
 DE5245'
 DE5245'
 DE5245'
 DE5245
 DE5245                          STATION RECOVERY (2018)
 DE5245
 DE5245'RECOVERY NOTE BY PND ENGINEERS 2018 (DL)
 DE5245'SEE DATA SHEET.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DF6540 ***********************************************************************
 DF6540  DESIGNATION -  161 9910 A TIDAL
 DF6540  PID         -  DF6540
 DF6540  STATE/COUNTY-  MQ/MIDWAY
 DF6540  COUNTRY     -  US
 DF6540  USGS QUAD   -  
 DF6540
 DF6540                         *CURRENT SURVEY CONTROL
 DF6540  ______________________________________________________________________
 DF6540* NAD 83(PA11) POSITION- 28 12 53.66073(N) 177 21 48.79680(W)   ADJUSTED
 DF6540* NAD 83(PA11) ELLIP HT-     3.696 (meters)        (02/20/19)   ADJUSTED
 DF6540* NAD 83(PA11) EPOCH   -  2010.00
 DF6540* LMSL    ORTHO HEIGHT -     2.16  (meters)        7.1   (feet) LEVELING
 DF6540  ______________________________________________________________________
 DF6540  GEOID HEIGHT    -          1.489 (meters)                     EGM08
 DF6540  NAD 83(PA11) X  - -5,618,549.294 (meters)                     COMP
 DF6540  NAD 83(PA11) Y  -   -258,718.213 (meters)                     COMP
 DF6540  NAD 83(PA11) Z  -  2,997,514.384 (meters)                     COMP
 DF6540  VERT ORDER      -  THIRD ?
 DF6540
 DF6540  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DF6540  Standards:
 DF6540         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DF6540            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DF6540  -------------------------------------------------------------------
 DF6540  NETWORK    2.36   3.27           0.56   1.16   1.67      0.00063155
 DF6540  -------------------------------------------------------------------
 DF6540  Click here for local accuracies and other accuracy information.
 DF6540
 DF6540.The horizontal coordinates were established by GPS observations
 DF6540.and adjusted by the PND ENGINEERS in February 2019.
 DF6540
 DF6540.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DF6540.been affixed to the stable Pacific tectonic plate. 
 DF6540
 DF6540.The horizontal coordinates are valid at the epoch date displayed above
 DF6540.which is a decimal equivalence of Year/Month/Day.
 DF6540
 DF6540.The orthometric height was determined by differential leveling.
 DF6540.The vertical network tie was performed by a horz. field party for horz.
 DF6540.obs reductions. Reset procedures were used to establish the elevation.
 DF6540
 DF6540.Significant digits in the geoid height do not necessarily reflect accuracy.
 DF6540
 DF6540.Click photographs - Photos may exist for this station.
 DF6540
 DF6540.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DF6540
 DF6540.The ellipsoidal height was determined by GPS observations
 DF6540.and is referenced to NAD 83.
 DF6540
 DF6540. The following values were computed from the NAD 83(PA11) position.
 DF6540
 DF6540;                    North         East     Units Scale Factor Converg.
 DF6540;UTM  01      - 3,121,062.466   464,325.422   MT  0.99961571   -0 10 18.8
 DF6540
 DF6540!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DF6540!UTM  01      -   0.99999942  x   0.99961571  =   0.99961513
 DF6540
 DF6540_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6432521062(NAD 83)
 DF6540
 DF6540                          SUPERSEDED SURVEY CONTROL
 DF6540
 DF6540.No superseded survey control is available for this station.
 DF6540
 DF6540_MARKER: DJ = TIDAL STATION DISK
 DF6540_SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE
 DF6540_SP_SET: CONCRETE DECK
 DF6540_STAMPING: 9910 A 1982
 DF6540_MARK LOGO: NOS
 DF6540_MAGNETIC: N = NO MAGNETIC MATERIAL
 DF6540_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
 DF6540+STABILITY: SURFACE MOTION
 DF6540_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DF6540+SATELLITE: SATELLITE OBSERVATIONS - October 30, 2018
 DF6540
 DF6540  HISTORY     - Date     Condition        Report By
 DF6540  HISTORY     - UNK      MONUMENTED       NOSOPS
 DF6540  HISTORY     - 20010806 GOOD             NGS
 DF6540  HISTORY     - 20181030 GOOD             JOA
 DF6540
 DF6540                          STATION DESCRIPTION
 DF6540
 DF6540'DESCRIBED BY NATIONAL GEODETIC SURVEY 2001 (CSM)
 DF6540'THE STATION IS LOCATED AT MIDWAY ATOLL ON SAND ISLAND IN THE EASTERN
 DF6540'PART OF THE ISLAND
 DF6540'ALONG THE NORTH BULKHEAD OF THE INNER HARBOR IN THE VICINITY OF A
 DF6540'CONCRETE PIER KNOWN
 DF6540'AS THE TUG PIER.  POINTS OF CONTACT ARE THE MIDWAY PHOENIX
 DF6540'CORPORATION, MIDWAY ATOLL
 DF6540'NATIONAL WILDLIFE REFUGE ACTING RANGER MR. KEN NIETHAMMER - PHONE
 DF6540'NUMBER 75 AND
 DF6540'HARBORMASTER MR. ROBERT WILSON - PHONE NUMBER 35.  TO REACH THE
 DF6540'STATION FROM THE
 DF6540'AIRPORT TERMINAL BY MEANS OF BICYCLE OR GOLF CART PROCEED EASTERLY ON
 DF6540'PETERS AVENUE
 DF6540'TO THE INTERSECTION WITH NIMITZ AVENUE.  TURN LEFT ON NIMITZ AVENUE
 DF6540'AND PROCEED
 DF6540'NORTHERLY AND EASTERLY JUST PAST THE FUEL PIERS AND TANK FARM TO
 DF6540'HENNESY AVENUE ON
 DF6540'THE RIGHT.  TURN RIGHT ON HENNESY AVENUE AND PROCEED TO THE INNER
 DF6540'HARBOR BOAT BASIN
 DF6540'AND THE VICINITY OF A CONCRETE PIER ANGLING OFF FROM THE SHEETPILE
 DF6540'BULKHEAD AND THE
 DF6540'STATION.  IT IS A BRONZE NOS TIDAL STATION DISK CEMENTED IN A DRILL
 DF6540'HOLE IN THE CONCRETE
 DF6540'DECK AT THE INSHORE END OF THE PIER.  IT IS, 14.8 M SOUTH OF THE ROAD
 DF6540'CENTERLINE, 8.4 M
 DF6540'SOUTHEAST OF A LIGHT POLE, 0.6 M NORTHEAST OF THE NORTHWEST INSHORE
 DF6540'END OF THE PIER
 DF6540'AND 0.2 M EAST OF THE CONCRETE CURB OF THE PIER.
 DF6540'
 DF6540'
 DF6540
 DF6540                          STATION RECOVERY (2018)
 DF6540
 DF6540'RECOVERY NOTE BY JOHN OSWALD AND ASSOCIATES, LLC 2018 (DWL)
 DF6540'THE STATION IS LOCATED ON MIDWAY ATOLL ISLAND AND IS APPROXIMATELY 1,
 DF6540'314 MI (505.2 KM) NORTHWESTERLY OF HONOLULU, HAWAII, 1, 818 MI (1316.2
 DF6540'KM) NORTHEASTERLY OF WAKE ISLAND AND 1, 856 MI (1377.3 KM)
 DF6540'SOUTHWESTERLY OF UNALASKA, ALASKA AND PROPERTY OWNED BY THE UNITED
 DF6540'STATES FISH AND WILDLIFE SERVICE AND IS AN CONTROLLED AIRPORT WITH NO
 DF6540'SECURITY REQUIRED.  THE PRIMARY POINT OF CONTACT AND AIRPORT MANAGER
 DF6540'IS TIMOTHY DEIKE, 1082 MAKEPONO STREET HONOLULU, HI 96819, (808)
 DF6540'954-4829.
 DF6540'
 DF6540'FROM THE SOUTHERLY START OF WALDRON ROAD HEAD 0.37 KM (0.23 MI) TO THE
 DF6540'INTERSECTION OF NEMITS.  TURN LEFT AND FOLLOW NEMITS FOR 1.98 KM (1.23
 DF6540'MI) TO THE BENCH MARK ON THE LEFT.
 DF6540'
 DF6540'THE STATION IS A DISK SET IN CONCRETE DECK AT THE INSHORE END OF THE
 DF6540'PIER 6 IN THE INNER HARBOR BOAT BASIN, 15.70 M (51.5 FT) SOUTH OF THE
 DF6540'CENTERLINE OF ROAD, 8.66 (28.4 FT) SOUTHEAST OF LIGHT POLE, 0.58 M
 DF6540'(1.9 FT) NORTHEAST OF THE NW INSHORE END OF THE PIER AND 0.15 M (0.5
 DF6540'FT) EAST OF CONCRETE CURB OF THE PIER.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 TW0155 ***********************************************************************
 TW0155  TIDAL BM    -  This is a Tidal Bench Mark.
 TW0155  DESIGNATION -  161 9910 TIDAL 2
 TW0155  PID         -  TW0155
 TW0155  STATE/COUNTY-  MQ/MIDWAY
 TW0155  COUNTRY     -  US
 TW0155  USGS QUAD   -  
 TW0155
 TW0155                         *CURRENT SURVEY CONTROL
 TW0155  ______________________________________________________________________
 TW0155* NAD 83(PA11) POSITION- 28 12 33.01234(N) 177 22 17.97370(W)   ADJUSTED
 TW0155* NAD 83(PA11) ELLIP HT-     3.183 (meters)        (02/20/19)   ADJUSTED
 TW0155* NAD 83(PA11) EPOCH   -  2010.00
 TW0155* LMSL    ORTHO HEIGHT -     1.65  (meters)        5.4   (feet) LEVELING
 TW0155  ______________________________________________________________________
 TW0155  GEOID HEIGHT    -          1.472 (meters)                     EGM08
 TW0155  NAD 83(PA11) X  - -5,618,885.558 (meters)                     COMP
 TW0155  NAD 83(PA11) Y  -   -257,937.205 (meters)                     COMP
 TW0155  NAD 83(PA11) Z  -  2,996,954.010 (meters)                     COMP
 TW0155  VERT ORDER      -  THIRD
 TW0155
 TW0155  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 TW0155  Standards:
 TW0155         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 TW0155            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 TW0155  -------------------------------------------------------------------
 TW0155  NETWORK    2.36   3.27           0.58   1.16   1.67     -0.00694397
 TW0155  -------------------------------------------------------------------
 TW0155  Click here for local accuracies and other accuracy information.
 TW0155
 TW0155.The horizontal coordinates were established by GPS observations
 TW0155.and adjusted by the PND ENGINEERS in February 2019.
 TW0155
 TW0155.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 TW0155.been affixed to the stable Pacific tectonic plate. 
 TW0155
 TW0155.The horizontal coordinates are valid at the epoch date displayed above
 TW0155.which is a decimal equivalence of Year/Month/Day.
 TW0155
 TW0155.The orthometric height was determined by differential leveling.
 TW0155.The vertical network tie was performed by a horz. field party for horz.
 TW0155.obs reductions. Reset procedures were used to establish the elevation.
 TW0155
 TW0155.Significant digits in the geoid height do not necessarily reflect accuracy.
 TW0155
 TW0155.This Tidal Bench Mark is designated as VM 73
 TW0155.by the CENTER FOR OPERATIONAL OCEANOGRAPHIC PRODUCTS AND SERVICES.
 TW0155
 TW0155.Click photographs - Photos may exist for this station.
 TW0155
 TW0155.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 TW0155
 TW0155.The ellipsoidal height was determined by GPS observations
 TW0155.and is referenced to NAD 83.
 TW0155
 TW0155. The following values were computed from the NAD 83(PA11) position.
 TW0155
 TW0155;                    North         East     Units Scale Factor Converg.
 TW0155;UTM  01      - 3,120,429.482   463,528.177   MT  0.99961642   -0 10 32.5
 TW0155
 TW0155!             -  Elev Factor  x  Scale Factor =   Combined Factor
 TW0155!UTM  01      -   0.99999950  x   0.99961642  =   0.99961592
 TW0155
 TW0155_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6352820429(NAD 83)
 TW0155
 TW0155                          SUPERSEDED SURVEY CONTROL
 TW0155
 TW0155.No superseded survey control is available for this station.
 TW0155
 TW0155_MARKER: DB = BENCH MARK DISK
 TW0155_SETTING: 4 = OBJECT SURROUNDED BY MASS OF CONCRETE
 TW0155_SP_SET: SEWAWALL
 TW0155_STAMPING: NO 2 1941
 TW0155_MARK LOGO: CGS
 TW0155_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
 TW0155_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 TW0155+SATELLITE: SATELLITE OBSERVATIONS - October 30, 2018
 TW0155
 TW0155  HISTORY     - Date     Condition        Report By
 TW0155  HISTORY     - 1941     MONUMENTED       CGS
 TW0155  HISTORY     - 20181030 GOOD             JOA
 TW0155
 TW0155                          STATION DESCRIPTION
 TW0155
 TW0155'DESCRIBED BY JOHN OSWALD AND ASSOCIATES, LLC 2018 (MJW)
 TW0155'THE STATION IS LOCATED ON MIDWAY ATOLL ISLAND AND IS APPROXIMATELY 1,
 TW0155'314 MI (505.2 KM) NORTHWESTERLY OF HONOLULU, HAWAII, 1, 818 MI (1316.2
 TW0155'KM) NORTHEASTERLY OF WAKE ISLAND AND 1, 856 MI (1377.3 KM)
 TW0155'SOUTHWESTERLY OF UNALASKA, ALASKA AND PROPERTY OWNED BY THE UNITED
 TW0155'STATES FISH AND WILDLIFE SERVICE AND IS AN CONTROLLED AIRPORT WITH NO
 TW0155'SECURITY REQUIRED.  THE PRIMARY POINT OF CONTACT AND AIRPORT MANAGER
 TW0155'IS TIMOTHY DEIKE, 1082 MAKEPONO STREET HONOLULU, HI 96819,
 TW0155'808*954*4829.
 TW0155'
 TW0155'FROM THE SOUTHERLY START OF WALDRON ROAD HEAD 0.37 KM (0.23 MI) TO THE
 TW0155'INTERSECTION OF NEMITS.  TURN LEFT AND FOLLOW NEMITS FOR 1.98 KM (1.23
 TW0155'MI) TO THE BENCH MARK ON THE LEFT.
 TW0155'
 TW0155'THE STATION IS A DISK SET ON TOP OF AN OLD SEA WALL, NOW FILLED WITH
 TW0155'LAND ON BOTH SIDES, ON THE SOUTH SIDE OF AND PARALLEL TO A TAXI WAY TO
 TW0155'AN OLD SEAPLANE HANGER AND ON THE SOUTH SIDE OF AN ANTENNA FARM, 47.24
 TW0155'M (155.0 FT) WEST OF A MANHOLE IN AN OCTAGONAL CONCRETE BASE, 0.61 M
 TW0155'(2.0 FT) SOUTH OF THE NORTH EDGE OF THE SEAWALL, 0.37 M (1.2 FT) NORTH
 TW0155'OF AN ORANGE WITNESS POST, 0.15 M (0.5 FT) NORTH OF THE SOUTH EDGE OF
 TW0155'THE SEA WALL AND FLUSH WITH THE GROUND.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DR1562 ***********************************************************************
 DR1562  DESIGNATION -  161 9910 TIDAL 21
 DR1562  PID         -  DR1562
 DR1562  STATE/COUNTY-  MQ/MIDWAY
 DR1562  COUNTRY     -  US
 DR1562  USGS QUAD   -  
 DR1562
 DR1562                         *CURRENT SURVEY CONTROL
 DR1562  ______________________________________________________________________
 DR1562* NAD 83(PA11) POSITION- 28 12 54.34247(N) 177 21 39.71308(W)   ADJUSTED
 DR1562* NAD 83(PA11) ELLIP HT-     3.752 (meters)        (02/20/19)   ADJUSTED
 DR1562* NAD 83(PA11) EPOCH   -  2010.00
 DR1562* LMSL    ORTHO HEIGHT -     2.22  (meters)        7.3   (feet) LEVELING
 DR1562  ______________________________________________________________________
 DR1562  GEOID HEIGHT    -          1.487 (meters)                     EGM08
 DR1562  NAD 83(PA11) X  - -5,618,528.033 (meters)                     COMP
 DR1562  NAD 83(PA11) Y  -   -258,965.194 (meters)                     COMP
 DR1562  NAD 83(PA11) Z  -  2,997,532.904 (meters)                     COMP
 DR1562  VERT ORDER      -  THIRD ?
 DR1562
 DR1562  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DR1562  Standards:
 DR1562         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DR1562            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DR1562  -------------------------------------------------------------------
 DR1562  NETWORK    2.36   3.27           0.58   1.16   1.67      0.00004569
 DR1562  -------------------------------------------------------------------
 DR1562  Click here for local accuracies and other accuracy information.
 DR1562
 DR1562.The horizontal coordinates were established by GPS observations
 DR1562.and adjusted by the PND ENGINEERS in February 2019.
 DR1562
 DR1562.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DR1562.been affixed to the stable Pacific tectonic plate. 
 DR1562
 DR1562.The horizontal coordinates are valid at the epoch date displayed above
 DR1562.which is a decimal equivalence of Year/Month/Day.
 DR1562
 DR1562.The orthometric height was determined by differential leveling.
 DR1562.The vertical network tie was performed by a horz. field party for horz.
 DR1562.obs reductions. Reset procedures were used to establish the elevation.
 DR1562
 DR1562.Significant digits in the geoid height do not necessarily reflect accuracy.
 DR1562
 DR1562.Click photographs - Photos may exist for this station.
 DR1562
 DR1562.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DR1562
 DR1562.The ellipsoidal height was determined by GPS observations
 DR1562.and is referenced to NAD 83.
 DR1562
 DR1562. The following values were computed from the NAD 83(PA11) position.
 DR1562
 DR1562;                    North         East     Units Scale Factor Converg.
 DR1562;UTM  01      - 3,121,082.704   464,573.086   MT  0.99961549   -0 10 14.5
 DR1562
 DR1562!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DR1562!UTM  01      -   0.99999941  x   0.99961549  =   0.99961490
 DR1562
 DR1562_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6457321082(NAD 83)
 DR1562
 DR1562                          SUPERSEDED SURVEY CONTROL
 DR1562
 DR1562.No superseded survey control is available for this station.
 DR1562
 DR1562_MARKER: DJ = TIDAL STATION DISK
 DR1562_SETTING: 34 = SET IN THE FOOTINGS OF SMALL/MEDIUM STRUCTURES
 DR1562_SP_SET: CONCRETE MANHOLE
 DR1562_STAMPING: 21 1959
 DR1562_MARK LOGO: CGS
 DR1562_MAGNETIC: N = NO MAGNETIC MATERIAL
 DR1562_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
 DR1562+STABILITY: SURFACE MOTION
 DR1562_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DR1562+SATELLITE: SATELLITE OBSERVATIONS - October 25, 2018
 DR1562
 DR1562  HISTORY     - Date     Condition        Report By
 DR1562  HISTORY     - 1959     MONUMENTED       CGS
 DR1562  HISTORY     - 20181025 GOOD             JOA
 DR1562
 DR1562                          STATION DESCRIPTION
 DR1562
 DR1562'DESCRIBED BY JOHN OSWALD AND ASSOCIATES, LLC 2018 (DWL)
 DR1562'THE STATION IS LOCATED ON MIDWAY ATOLL ISLAND AND IS APPROXIMATELY 1,
 DR1562'314 MI (1.6 KM) NORTHWESTERLY OF HONOLULU, HAWAII, 1, 818 MI (1.6 KM)
 DR1562'NORTHEASTERLY OF WAKE ISLAND AND 1, 856 MI (1.6 KM) SOUTHWESTERLY OF
 DR1562'UNALASKA, ALASKA AND PROPERTY OWNED BY THE UNITED STATES FISH AND
 DR1562'WILDLIFE SERVICE AND IS AN CONTROLLED AIRPORT WITH NO SECURITY
 DR1562'REQUIRED.  THE PRIMARY POINT OF CONTACT AND AIRPORT MANAGER IS TIMOTHY
 DR1562'DEIKE, 1082 MAKEPONO STREET HONOLULU, HI 96819, 808*954*4829.
 DR1562'
 DR1562'FROM THE SOUTHERLY START OF WALDRON ROAD HEAD 0.37 KM (0.23 MI) TO THE
 DR1562'INTERSECTION OF NEMITS.  TURN LEFT AND FOLLOW NEMITS FOR 1.98 KM (1.23
 DR1562'MI) TO THE BENCH MARK ON THE LEFT.
 DR1562'
 DR1562'THE STATION IS A DISK SET FLUSH ON THE SOUTH SIDE OF CONCRETE MANHOLE
 DR1562'STRUCTURE AT NE CORNER OF THE INNER HARBOR BOAT BASIN, 20.27 M (66.5
 DR1562'FT) NORTH OF THE NORTH SEA WALL FACE, 15 M (49.2 FT) WEST OF THE EAST
 DR1562'SEA WALL PROJECTED AND 0.46 M (1.5 FT) SOUTH OF COVER OF THE MANHOLE.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DR1559 ***********************************************************************
 DR1559  PACS        -  This is a Primary Airport Control Station.
 DR1559  DESIGNATION -  MDY A
 DR1559  PID         -  DR1559
 DR1559  STATE/COUNTY-  MQ/MIDWAY
 DR1559  COUNTRY     -  US
 DR1559  USGS QUAD   -  
 DR1559
 DR1559                         *CURRENT SURVEY CONTROL
 DR1559  ______________________________________________________________________
 DR1559* NAD 83(PA11) POSITION- 28 12 15.33352(N) 177 22 39.82181(W)   ADJUSTED
 DR1559* NAD 83(PA11) ELLIP HT-     3.984 (meters)        (02/20/19)   ADJUSTED
 DR1559* NAD 83(PA11) EPOCH   -  2010.00
 DR1559* LMSL    ORTHO HEIGHT -     2.49  (meters)        8.2   (feet) GPS OBS
 DR1559  ______________________________________________________________________
 DR1559  GEOID HEIGHT    -          1.450 (meters)                     EGM08
 DR1559  NAD 83(PA11) X  - -5,619,170.515 (meters)                     COMP
 DR1559  NAD 83(PA11) Y  -   -257,353.838 (meters)                     COMP
 DR1559  NAD 83(PA11) Z  -  2,996,474.790 (meters)                     COMP
 DR1559
 DR1559  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DR1559  Standards:
 DR1559         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DR1559            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DR1559  -------------------------------------------------------------------
 DR1559  NETWORK    2.33   3.27           0.55   1.15   1.67     -0.00005533
 DR1559  -------------------------------------------------------------------
 DR1559  Click here for local accuracies and other accuracy information.
 DR1559
 DR1559.This mark is at Henderson Field Airport  (MDY)
 DR1559
 DR1559.The horizontal coordinates were established by GPS observations
 DR1559.and adjusted by the PND ENGINEERS in February 2019.
 DR1559
 DR1559.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DR1559.been affixed to the stable Pacific tectonic plate. 
 DR1559
 DR1559.The horizontal coordinates are valid at the epoch date displayed above
 DR1559.which is a decimal equivalence of Year/Month/Day.
 DR1559
 DR1559.The orthometric height was determined by GPS observations and a
 DR1559.high-resolution geoid model.
 DR1559
 DR1559.GPS derived orthometric heights for airport stations designated as
 DR1559.PACS or SACS are published to 2 decimal places.  This maintains
 DR1559.centimeter relative accuracy between the PACS and SACS.  It does
 DR1559.not indicate centimeter accuracy relative to other marks which are
 DR1559.part of the published vertical control network.
 DR1559
 DR1559.Significant digits in the geoid height do not necessarily reflect accuracy.
 DR1559
 DR1559.Click photographs - Photos may exist for this station.
 DR1559
 DR1559.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DR1559
 DR1559.The ellipsoidal height was determined by GPS observations
 DR1559.and is referenced to NAD 83.
 DR1559
 DR1559. The following values were computed from the NAD 83(PA11) position.
 DR1559
 DR1559;                    North         East     Units Scale Factor Converg.
 DR1559;UTM  01      - 3,119,887.308   462,930.919   MT  0.99961696   -0 10 42.7
 DR1559
 DR1559!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DR1559!UTM  01      -   0.99999937  x   0.99961696  =   0.99961633
 DR1559
 DR1559_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6293019887(NAD 83)
 DR1559
 DR1559                          SUPERSEDED SURVEY CONTROL
 DR1559
 DR1559.No superseded survey control is available for this station.
 DR1559
 DR1559_MARKER: F = FLANGE-ENCASED ROD
 DR1559_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+)
 DR1559_STAMPING: MDY A 2016
 DR1559_MARK LOGO: PNDENG
 DR1559_PROJECTION: RECESSED 5 CENTIMETERS
 DR1559_MAGNETIC: N = NO MAGNETIC MATERIAL
 DR1559_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
 DR1559_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DR1559+SATELLITE: SATELLITE OBSERVATIONS - May 26, 2016
 DR1559_ROD/PIPE-DEPTH: 7.0 meters
 DR1559_SLEEVE-DEPTH  : 1.2 meters
 DR1559
 DR1559  HISTORY     - Date     Condition        Report By
 DR1559  HISTORY     - 20160526 MONUMENTED       PNDENG
 DR1559
 DR1559                          STATION DESCRIPTION
 DR1559
 DR1559'DESCRIBED BY PND ENGINEERS 2016 (JLM)
 DR1559'THE STATION IS LOCATED ON MIDWAY ATOLL ISLAND AND IS APPROXIMATELY 1,
 DR1559'314 MI (505.2 KM) NORTHWESTERLY OF HONOLULU, HAWAII, 1, 818 MI (1316.2
 DR1559'KM) NORTHEASTERLY OF WAKE ISLAND AND 1, 856 MI (1377.3 KM)
 DR1559'SOUTHWESTERLY OF UNALASKA, ALASKA.  OWNERSHIP--UNITED STATES FISH AND
 DR1559'WILDLIFE SERVICE.  THE PRIMARY POINT OF CONTACT AND AIRPORT MANAGER IS
 DR1559'TIMOTHY DEIKE, 1082 MAKEPONO STREET HONOLULU, HI 96819, 808-954-4829.
 DR1559'
 DR1559'TO REACH THE STATION FROM THE INTERSECTION OF RUNWAY 6-24 AND TAXIWAY
 DR1559'ALPHA, GO NORTHEASTERLY ALONG RUNWAY 1, 200 FT (61.0 M), THEN GO
 DR1559'NORTHWESTERLY, PERPENDICULAR TO THE RUNWAY 530 FT (161.5 M) TO A GRASS
 DR1559'AREA WHERE   THE STATION IS LOCATED.
 DR1559'
 DR1559'THE STATION IS THE TOP-CENTER (PUNCHED) OF A STAINLESS STEEL SPHERICAL
 DR1559'DATUM POINT, 1, 160 FT (48.8 M) SOUTHEAST OF THE CONTROL TOWER, 760 FT
 DR1559'(231.6 M) EAST-NORTHEAST OF THE WEATHER STATION BUILDING AND 84 FT
 DR1559'(25.6 M) NORTH-NORTHWEST OF THE EDGE OF THE CONCRETE RUNWAY SHOULDER.
 DR1559'THIS STATION IS DESIGNATED AS A PRIMARY AIRPORT CONTROL STATION.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DR1560 ***********************************************************************
 DR1560  SACS        -  This is a Secondary Airport Control Station.
 DR1560  DESIGNATION -  MDY B
 DR1560  PID         -  DR1560
 DR1560  STATE/COUNTY-  MQ/MIDWAY
 DR1560  COUNTRY     -  US
 DR1560  USGS QUAD   -  
 DR1560
 DR1560                         *CURRENT SURVEY CONTROL
 DR1560  ______________________________________________________________________
 DR1560* NAD 83(PA11) POSITION- 28 12 23.65340(N) 177 22 19.07689(W)   ADJUSTED
 DR1560* NAD 83(PA11) ELLIP HT-     2.927 (meters)        (02/20/19)   ADJUSTED
 DR1560* NAD 83(PA11) EPOCH   -  2010.00
 DR1560* LMSL    ORTHO HEIGHT -     1.42  (meters)        4.7   (feet) GPS OBS
 DR1560  ______________________________________________________________________
 DR1560  GEOID HEIGHT    -          1.461 (meters)                     EGM08
 DR1560  NAD 83(PA11) X  - -5,619,022.749 (meters)                     COMP
 DR1560  NAD 83(PA11) Y  -   -257,913.387 (meters)                     COMP
 DR1560  NAD 83(PA11) Z  -  2,996,699.999 (meters)                     COMP
 DR1560
 DR1560  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DR1560  Standards:
 DR1560         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DR1560            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DR1560  -------------------------------------------------------------------
 DR1560  NETWORK    2.40   3.27           0.58   1.18   1.67      0.00043567
 DR1560  -------------------------------------------------------------------
 DR1560  Click here for local accuracies and other accuracy information.
 DR1560
 DR1560.This mark is at Henderson Field Airport  (MDY)
 DR1560
 DR1560.The horizontal coordinates were established by GPS observations
 DR1560.and adjusted by the PND ENGINEERS in February 2019.
 DR1560
 DR1560.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DR1560.been affixed to the stable Pacific tectonic plate. 
 DR1560
 DR1560.The horizontal coordinates are valid at the epoch date displayed above
 DR1560.which is a decimal equivalence of Year/Month/Day.
 DR1560
 DR1560.The orthometric height was determined by GPS observations and a
 DR1560.high-resolution geoid model.
 DR1560
 DR1560.GPS derived orthometric heights for airport stations designated as
 DR1560.PACS or SACS are published to 2 decimal places.  This maintains
 DR1560.centimeter relative accuracy between the PACS and SACS.  It does
 DR1560.not indicate centimeter accuracy relative to other marks which are
 DR1560.part of the published vertical control network.
 DR1560
 DR1560.Significant digits in the geoid height do not necessarily reflect accuracy.
 DR1560
 DR1560.Click photographs - Photos may exist for this station.
 DR1560
 DR1560.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DR1560
 DR1560.The ellipsoidal height was determined by GPS observations
 DR1560.and is referenced to NAD 83.
 DR1560
 DR1560. The following values were computed from the NAD 83(PA11) position.
 DR1560
 DR1560;                    North         East     Units Scale Factor Converg.
 DR1560;UTM  01      - 3,120,141.580   463,497.221   MT  0.99961644   -0 10 32.9
 DR1560
 DR1560!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DR1560!UTM  01      -   0.99999954  x   0.99961644  =   0.99961598
 DR1560
 DR1560_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6349720141(NAD 83)
 DR1560
 DR1560                          SUPERSEDED SURVEY CONTROL
 DR1560
 DR1560.No superseded survey control is available for this station.
 DR1560
 DR1560_MARKER: F = FLANGE-ENCASED ROD
 DR1560_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+)
 DR1560_STAMPING: MDY B 2016
 DR1560_MARK LOGO: PNDENG
 DR1560_PROJECTION: RECESSED 10 CENTIMETERS
 DR1560_MAGNETIC: N = NO MAGNETIC MATERIAL
 DR1560_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
 DR1560_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DR1560+SATELLITE: SATELLITE OBSERVATIONS - May 26, 2016
 DR1560_ROD/PIPE-DEPTH: 5.8 meters
 DR1560_SLEEVE-DEPTH  : 1.2 meters
 DR1560
 DR1560  HISTORY     - Date     Condition        Report By
 DR1560  HISTORY     - 20160526 MONUMENTED       PNDENG
 DR1560
 DR1560                          STATION DESCRIPTION
 DR1560
 DR1560'DESCRIBED BY PND ENGINEERS 2016 (JLM)
 DR1560'THE STATION IS LOCATED ON MIDWAY ATOLL ISLAND AND IS APPROXIMATELY 1,
 DR1560'314 MI (505.2 KM) NORTHWESTERLY OF HONOLULU, HAWAII, 1, 818 MI (1316.2
 DR1560'KM) NORTHEASTERLY OF WAKE ISLAND AND 1, 856 MI (1377.3 KM)
 DR1560'SOUTHWESTERLY OF UNALASKA, ALASKA.  OWNERSHIP--UNITED STATES FISH AND
 DR1560'WILDLIFE SERVICE.  THE PRIMARY POINT OF CONTACT AND AIRPORT MANAGER IS
 DR1560'TIMOTHY DEIKE, 1082 MAKEPONO STREET HONOLULU, HI 96819, 808-954-4829.
 DR1560'
 DR1560'TO REACH THE STATION FROM THE INTERSECTION OF RUNWAY 6-24 AND TAXIWAY
 DR1560'ALFA, GO NORTHEASTERLY ALONG RUNWAY 3, 370 FT (112.8 M) TO THE WEST
 DR1560'SIDE OF THE RUNWAY 24 NUMBERS, THEN GO NORTHERLY ALONG AN OLD TAXIWAY
 DR1560'640 FT (195.1 M), THEN WEST 70 FT (21.3 M) TO STATION IN A FLAT
 DR1560'GRASSED AREA.
 DR1560'
 DR1560'THE STATION IS THE TOP-CENTER (PUNCHED) OF A STAINLESS STEEL SPHERICAL
 DR1560'DATUM POINT, 633 FT (192.9 M) NORTH-NORTHWEST OF THE CENTERLINE OF THE
 DR1560'RUNWAY, 600 FT (182.9 M) SOUTH-SOUTHEAST OF THE SOUTHEAST CORNER OF AN
 DR1560'ABANDONED BUILDING, 70 FT (21.3 M) WEST-SOUTHWEST OF THE CENTERLINE OF
 DR1560'AN ABANDONED TAXIWAY AND 2 FT (0.6 M) SOUTH OF A WITNESS POST.  THIS
 DR1560'STATION IS DESIGNATED AS A SECONDARY AIRPORT CONTROL STATION.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DR1561 ***********************************************************************
 DR1561  SACS        -  This is a Secondary Airport Control Station.
 DR1561  DESIGNATION -  MDY C
 DR1561  PID         -  DR1561
 DR1561  STATE/COUNTY-  MQ/MIDWAY
 DR1561  COUNTRY     -  US
 DR1561  USGS QUAD   -  
 DR1561
 DR1561                         *CURRENT SURVEY CONTROL
 DR1561  ______________________________________________________________________
 DR1561* NAD 83(PA11) POSITION- 28 11 49.54159(N) 177 23 21.72146(W)   ADJUSTED
 DR1561* NAD 83(PA11) ELLIP HT-     5.333 (meters)        (02/20/19)   ADJUSTED
 DR1561* NAD 83(PA11) EPOCH   -  2010.00
 DR1561* LMSL    ORTHO HEIGHT -     3.88  (meters)       12.7   (feet) GPS OBS
 DR1561  ______________________________________________________________________
 DR1561  GEOID HEIGHT    -          1.406 (meters)                     EGM08
 DR1561  NAD 83(PA11) X  - -5,619,598.680 (meters)                     COMP
 DR1561  NAD 83(PA11) Y  -   -256,229.525 (meters)                     COMP
 DR1561  NAD 83(PA11) Z  -  2,995,775.693 (meters)                     COMP
 DR1561
 DR1561  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DR1561  Standards:
 DR1561         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DR1561            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DR1561  -------------------------------------------------------------------
 DR1561  NETWORK    2.40   3.29           0.59   1.18   1.68      0.00143360
 DR1561  -------------------------------------------------------------------
 DR1561  Click here for local accuracies and other accuracy information.
 DR1561
 DR1561.This mark is at Henderson Field Airport  (MDY)
 DR1561
 DR1561.The horizontal coordinates were established by GPS observations
 DR1561.and adjusted by the PND ENGINEERS in February 2019.
 DR1561
 DR1561.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DR1561.been affixed to the stable Pacific tectonic plate. 
 DR1561
 DR1561.The horizontal coordinates are valid at the epoch date displayed above
 DR1561.which is a decimal equivalence of Year/Month/Day.
 DR1561
 DR1561.The orthometric height was determined by GPS observations and a
 DR1561.high-resolution geoid model.
 DR1561
 DR1561.GPS derived orthometric heights for airport stations designated as
 DR1561.PACS or SACS are published to 2 decimal places.  This maintains
 DR1561.centimeter relative accuracy between the PACS and SACS.  It does
 DR1561.not indicate centimeter accuracy relative to other marks which are
 DR1561.part of the published vertical control network.
 DR1561
 DR1561.Significant digits in the geoid height do not necessarily reflect accuracy.
 DR1561
 DR1561.Click photographs - Photos may exist for this station.
 DR1561
 DR1561.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DR1561
 DR1561.The ellipsoidal height was determined by GPS observations
 DR1561.and is referenced to NAD 83.
 DR1561
 DR1561. The following values were computed from the NAD 83(PA11) position.
 DR1561
 DR1561;                    North         East     Units Scale Factor Converg.
 DR1561;UTM  01      - 3,119,097.248   461,786.166   MT  0.99961802   -0 11 02.3
 DR1561
 DR1561!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DR1561!UTM  01      -   0.99999916  x   0.99961802  =   0.99961718
 DR1561
 DR1561_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6178619097(NAD 83)
 DR1561
 DR1561                          SUPERSEDED SURVEY CONTROL
 DR1561
 DR1561.No superseded survey control is available for this station.
 DR1561
 DR1561_MARKER: F = FLANGE-ENCASED ROD
 DR1561_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+)
 DR1561_STAMPING: MDY C 2016
 DR1561_MARK LOGO: PNDENG
 DR1561_PROJECTION: RECESSED 8 CENTIMETERS
 DR1561_MAGNETIC: N = NO MAGNETIC MATERIAL
 DR1561_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD
 DR1561+STABILITY: POSITION/ELEVATION WELL
 DR1561_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DR1561+SATELLITE: SATELLITE OBSERVATIONS - May 26, 2016
 DR1561_ROD/PIPE-DEPTH: 8.2 meters
 DR1561_SLEEVE-DEPTH  : 4 meters
 DR1561
 DR1561  HISTORY     - Date     Condition        Report By
 DR1561  HISTORY     - 20160526 MONUMENTED       PNDENG
 DR1561
 DR1561                          STATION DESCRIPTION
 DR1561
 DR1561'DESCRIBED BY PND ENGINEERS 2016 (JLM)
 DR1561'THE STATION IS LOCATED ON MIDWAY ATOLL ISLAND AND IS APPROXIMATELY 1,
 DR1561'314 MI (505.2 KM) NORTHWESTERLY OF HONOLULU, HAWAII, 1, 818 MI (1316.2
 DR1561'KM) NORTHEASTERLY OF WAKE ISLAND AND 1, 856 MI (1377.3 KM)
 DR1561'SOUTHWESTERLY OF UNALASKA, ALASKA.  OWNERSHIP--UNITED STATES FISH AND
 DR1561'WILDLIFE SERVICE.  THE PRIMARY POINT OF CONTACT AND AIRPORT MANAGER IS
 DR1561'TIMOTHY DEIKE, 1082 MAKEPONO STREET HONOLULU, HI 96819, 808-954-4829.
 DR1561'
 DR1561'TO REACH THE STATION FROM THE INTERSECTION OF RUNWAY 6-24 AND TAXIWAY
 DR1561'ALFA, GO WEST-SOUTHWEST ALONG THE SOUTH SHOULDER OF THE RUNWAY 3, 330
 DR1561'FT (100.6 M) TO THE START OF A DIRT PATH. PROCEED EAST ON THIS PATH
 DR1561'FOR 1, 200 FT (61.0 M), THEN OFF THE ROAD 50 FT (15.2 M) NORTHEAST TO
 DR1561'THE STATION IN A GRASSY AREA.
 DR1561'
 DR1561'THE STATION IS THE TOP-CENTER (PUNCHED) OF A STAINLESS STEEL SPHERICAL
 DR1561'DATUM POINT, 530 FT (161.5 M) SOUTH-SOUTHEAST OF THE RUNWAY
 DR1561'CENTERLINE, 50 FT (15.2 M) NORTHEAST OF THE CENTERLINE OF AN ATV PATH
 DR1561'AND 9.4 FT (2.9 M) NORTH OF A CONCRETE UTILITY BOX.  THIS STATION IS
 DR1561'DESIGNATED AS A SECONDARY AIRPORT CONTROL STATION.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DE5810 ***********************************************************************
 DE5810  DESIGNATION -  MIDWAY ISLAND CORS
 DE5810  PID         -  DE5810
 DE5810  STATE/COUNTY-  MQ/MIDWAY
 DE5810  COUNTRY     -  US
 DE5810  USGS QUAD   -  
 DE5810
 DE5810                         *CURRENT SURVEY CONTROL
 DE5810  ______________________________________________________________________
 DE5810* NAD 83(PA11) POSITION- 28 12 53.71335(N) 177 21 39.09621(W)   ADJUSTED
 DE5810* NAD 83(PA11) ELLIP HT-     8.371 (meters)        (06/27/12)   ADJUSTED
 DE5810* NAD 83(PA11) EPOCH   -  2010.00
 DE5810* LMSL    ORTHO HEIGHT -     4.    (meters)       13.    (feet) SCALED
 DE5810  ______________________________________________________________________
 DE5810  GEOID HEIGHT    -          1.485 (meters)                     EGM08
 DE5810  NAD 83(PA11) X  - -5,618,540.471 (meters)                     COMP
 DE5810  NAD 83(PA11) Y  -   -258,982.606 (meters)                     COMP
 DE5810  NAD 83(PA11) Z  -  2,997,518.022 (meters)                     COMP
 DE5810
 DE5810  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DE5810  Standards:
 DE5810         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DE5810            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DE5810  -------------------------------------------------------------------
 DE5810  NETWORK    2.27   3.10           0.51   1.11   1.58     -0.41798930
 DE5810  -------------------------------------------------------------------
 DE5810  Click here for local accuracies and other accuracy information.
 DE5810
 DE5810.The horizontal coordinates were established by GPS observations
 DE5810.and adjusted by the National Geodetic Survey in June 2012.
 DE5810
 DE5810.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DE5810.been affixed to the stable Pacific tectonic plate. 
 DE5810
 DE5810.The horizontal coordinates are valid at the epoch date displayed above
 DE5810.which is a decimal equivalence of Year/Month/Day.
 DE5810
 DE5810.The orthometric height was scaled from a topographic map.
 DE5810
 DE5810.Significant digits in the geoid height do not necessarily reflect accuracy.
 DE5810
 DE5810.Click photographs - Photos may exist for this station.
 DE5810
 DE5810.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DE5810
 DE5810.The ellipsoidal height was determined by GPS observations
 DE5810.and is referenced to NAD 83.
 DE5810
 DE5810. The following values were computed from the NAD 83(PA11) position.
 DE5810
 DE5810;                    North         East     Units Scale Factor Converg.
 DE5810;UTM  01      - 3,121,063.295   464,589.843   MT  0.99961547   -0 10 14.2
 DE5810
 DE5810!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DE5810!UTM  01      -   0.99999869  x   0.99961547  =   0.99961416
 DE5810
 DE5810_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6458921063(NAD 83)
 DE5810
 DE5810                          SUPERSEDED SURVEY CONTROL
 DE5810
 DE5810  NAD 83(1993)-  28 12 53.71613(N)    177 21 39.09621(W) AD(1993.62) B
 DE5810  ELLIP H (07/03/02)    8.254  (m)                       GP(1993.62) 3 1
 DE5810
 DE5810.Superseded values are not recommended for survey control.
 DE5810
 DE5810.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 DE5810.See file dsdata.pdf to determine how the superseded data were derived.
 DE5810
 DE5810_MARKER: Z = SEE DESCRIPTION
 DE5810_SETTING: 0 = UNSPECIFIED SETTING
 DE5810_SP_SET: CT CORS
 DE5810_MAGNETIC: N = NO MAGNETIC MATERIAL
 DE5810_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
 DE5810_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DE5810+SATELLITE: SATELLITE OBSERVATIONS - September 11, 2001
 DE5810
 DE5810  HISTORY     - Date     Condition        Report By
 DE5810  HISTORY     - 2001     MONUMENTED       NGS
 DE5810  HISTORY     - 20010911 GOOD             NGS
 DE5810
 DE5810                          STATION DESCRIPTION
 DE5810
 DE5810'DESCRIBED BY NATIONAL GEODETIC SURVEY 2001
 DE5810'NO DESCRIPTION SUBMITTED FOR THIS POINT.  STATION WAS A CT CORS FOR
 DE5810'THE NW HAWAII CORAL REEF PROJECT IN 2001.
 DE5810
 DE5810                          STATION RECOVERY (2001)
 DE5810
 DE5810'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (DHM)
 DE5810'THE STATION WAS AN ANTENNA MOUNTED ON A BRACKET ATOP THE CENTER OF A
 DE5810'LARGE RED STEEL POLE APPROXIMATELY 20 FEET TALL WHICH IS FIXED ON THE
 DE5810'GROUND AND ATTACHED TO THE INSHORE (DOOR) SIDE OF THE OLD TIDE GAGE
 DE5810'BUILDING.
 DE5810'
 DE5810'PHOTOS AVAILABLE.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 CQ9894 ***********************************************************************
 CQ9894  DESIGNATION -  MIDWAY SECOR AMS 1966 RM 2
 CQ9894  PID         -  CQ9894
 CQ9894  STATE/COUNTY-  MQ/MIDWAY
 CQ9894  COUNTRY     -  US
 CQ9894  USGS QUAD   -  
 CQ9894
 CQ9894                         *CURRENT SURVEY CONTROL
 CQ9894  ______________________________________________________________________
 CQ9894* NAD 83(PA11) POSITION- 28 12 42.95169(N) 177 22 06.38381(W)   ADJUSTED
 CQ9894* NAD 83(PA11) ELLIP HT-     3.196 (meters)        (02/20/19)   ADJUSTED
 CQ9894* NAD 83(PA11) EPOCH   -  2010.00
 CQ9894* LMSL    ORTHO HEIGHT -     1.7   (meters)        6.    (feet) GPS OBS
 CQ9894  ______________________________________________________________________
 CQ9894  GEOID HEIGHT    -          1.482 (meters)                     EGM08
 CQ9894  NAD 83(PA11) X  - -5,618,726.582 (meters)                     COMP
 CQ9894  NAD 83(PA11) Y  -   -258,246.286 (meters)                     COMP
 CQ9894  NAD 83(PA11) Z  -  2,997,223.646 (meters)                     COMP
 CQ9894
 CQ9894  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 CQ9894  Standards:
 CQ9894         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 CQ9894            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 CQ9894  -------------------------------------------------------------------
 CQ9894  NETWORK    2.39   3.27           0.59   1.17   1.67      0.00264685
 CQ9894  -------------------------------------------------------------------
 CQ9894  Click here for local accuracies and other accuracy information.
 CQ9894
 CQ9894.The horizontal coordinates were established by GPS observations
 CQ9894.and adjusted by the PND ENGINEERS in February 2019.
 CQ9894
 CQ9894.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 CQ9894.been affixed to the stable Pacific tectonic plate. 
 CQ9894
 CQ9894.The horizontal coordinates are valid at the epoch date displayed above
 CQ9894.which is a decimal equivalence of Year/Month/Day.
 CQ9894
 CQ9894.The orthometric height was determined by GPS observations and a
 CQ9894.high-resolution geoid model.
 CQ9894
 CQ9894.Significant digits in the geoid height do not necessarily reflect accuracy.
 CQ9894
 CQ9894.Click photographs - Photos may exist for this station.
 CQ9894
 CQ9894.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 CQ9894
 CQ9894.The ellipsoidal height was determined by GPS observations
 CQ9894.and is referenced to NAD 83.
 CQ9894
 CQ9894. The following values were computed from the NAD 83(PA11) position.
 CQ9894
 CQ9894;                    North         East     Units Scale Factor Converg.
 CQ9894;UTM  01      - 3,120,734.373   463,845.038   MT  0.99961613   -0 10 27.0
 CQ9894
 CQ9894!             -  Elev Factor  x  Scale Factor =   Combined Factor
 CQ9894!UTM  01      -   0.99999950  x   0.99961613  =   0.99961563
 CQ9894
 CQ9894_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6384520734(NAD 83)
 CQ9894
 CQ9894                          SUPERSEDED SURVEY CONTROL
 CQ9894
 CQ9894  MAD61       -  28 12 31.27513(N)    177 22 10.08386(W) AD(       ) 3
 CQ9894  LMSL                  1.87   (m)            6.1    (f) LEVELING    3  
 CQ9894
 CQ9894.Superseded values are not recommended for survey control.
 CQ9894
 CQ9894.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 CQ9894.See file dsdata.pdf to determine how the superseded data were derived.
 CQ9894
 CQ9894_MARKER: DD = SURVEY DISK
 CQ9894_SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC.
 CQ9894_SP_SET: APRON
 CQ9894_STAMPING: MIDWAY SECOR ARMY MAP SVC 1966
 CQ9894_MARK LOGO: USACE
 CQ9894_MAGNETIC: N = NO MAGNETIC MATERIAL
 CQ9894_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
 CQ9894_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 CQ9894+SATELLITE: SATELLITE OBSERVATIONS - October 25, 2018
 CQ9894
 CQ9894  HISTORY     - Date     Condition        Report By
 CQ9894  HISTORY     - 1966     MONUMENTED       USACE
 CQ9894  HISTORY     - 1966     GOOD             CGS
 CQ9894  HISTORY     - 20181025 GOOD             JOA
 CQ9894
 CQ9894                          STATION DESCRIPTION
 CQ9894
 CQ9894'DESCRIBED BY COAST AND GEODETIC SURVEY 1966
 CQ9894'RECOVERED IN GOOD CONDITION.
 CQ9894
 CQ9894                          STATION RECOVERY (2018)
 CQ9894
 CQ9894'RECOVERY NOTE BY JOHN OSWALD AND ASSOCIATES, LLC 2018 (DWL)
 CQ9894'THE STATION IS LOCATED ON MIDWAY ATOLL ISLAND AND IS APPROXIMATELY 1,
 CQ9894'314 MI (505.2 KM) NORTHWESTERLY OF HONOLULU, HAWAII, 1, 818 MI (1316.2
 CQ9894'KM) NORTHEASTERLY OF WAKE ISLAND AND 1, 856 MI (1377.3 KM)
 CQ9894'SOUTHWESTERLY OF UNALASKA, ALASKA.  OWNERSHIP--UNITED STATES FISH AND
 CQ9894'WILDLIFE SERVICE.  THE PRIMARY POINT OF CONTACT AND AIRPORT MANAGER IS
 CQ9894'TIMOTHY DEIKE, 1082 MAKEPONO STREET HONOLULU, HI 96819, 808-954-4829.
 CQ9894'
 CQ9894'TO REACH THE MARK FROM THE MIDWAY AIR TERMINAL PROCEED EAST ON PETERS
 CQ9894'AVENUE.  TURN RIGHT ONTO NIMITZ AVENUE AT MIDWAY MALL, PROCEED THEN
 CQ9894'TURN LEFT ONTO CANNON AVENUE AND FOLLOW CANNA=ON AVENUE AS IT WINDS
 CQ9894'NORTH TO HENNESSY AVENUE.  GO EAST (RIGHT) ON HENNESSY UNTIL THE SMALL
 CQ9894'BOAT BASIN SEAWALL TERMINATES.  THE TIDAL MARKS ARE LOCATED ALONG THE
 CQ9894'ROADS LEADING FROM THE AIR TERMINAL TO PIER 6 AND AROUND THE BOAT
 CQ9894'BASIN.    THE STATION IS A DISK SET IN A CONCRETE APRON 239 M
 CQ9894'(784.1 FT) EAST-NORTHEAST OF THE EAST CORNER OF A SEAPLANE HANGER,
 CQ9894'75.0 M (246.1 FT) SOUTH OF THE SOUTHEAST CORNER OF A BOATHOUSE AND
 CQ9894'7.92 M (26.0 FT) WEST OF THE SEAWALL.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 CQ9895 ***********************************************************************
 CQ9895  DESIGNATION -  MIDWAY SECOR AMS 1966
 CQ9895  PID         -  CQ9895
 CQ9895  STATE/COUNTY-  MQ/MIDWAY
 CQ9895  COUNTRY     -  US
 CQ9895  USGS QUAD   -  
 CQ9895
 CQ9895                         *CURRENT SURVEY CONTROL
 CQ9895  ______________________________________________________________________
 CQ9895* NAD 83(PA11) POSITION- 28 12 43.73862(N) 177 22 06.76932(W)   ADJUSTED
 CQ9895* NAD 83(PA11) ELLIP HT-     3.309 (meters)        (02/20/19)   ADJUSTED
 CQ9895* NAD 83(PA11) EPOCH   -  2010.00
 CQ9895* LMSL    ORTHO HEIGHT -     1.77  (meters)        5.8   (feet) LEVELING
 CQ9895  ______________________________________________________________________
 CQ9895  GEOID HEIGHT    -          1.482 (meters)                     EGM08
 CQ9895  NAD 83(PA11) X  - -5,618,715.724 (meters)                     COMP
 CQ9895  NAD 83(PA11) Y  -   -258,235.264 (meters)                     COMP
 CQ9895  NAD 83(PA11) Z  -  2,997,245.047 (meters)                     COMP
 CQ9895  VERT ORDER      -  THIRD ?
 CQ9895
 CQ9895  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 CQ9895  Standards:
 CQ9895         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 CQ9895            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 CQ9895  -------------------------------------------------------------------
 CQ9895  NETWORK    2.36   3.27           0.58   1.16   1.67     -0.00047906
 CQ9895  -------------------------------------------------------------------
 CQ9895  Click here for local accuracies and other accuracy information.
 CQ9895
 CQ9895.The horizontal coordinates were established by GPS observations
 CQ9895.and adjusted by the PND ENGINEERS in February 2019.
 CQ9895
 CQ9895.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 CQ9895.been affixed to the stable Pacific tectonic plate. 
 CQ9895
 CQ9895.The horizontal coordinates are valid at the epoch date displayed above
 CQ9895.which is a decimal equivalence of Year/Month/Day.
 CQ9895
 CQ9895.The orthometric height was determined by differential leveling.
 CQ9895.The vertical network tie was performed by a horz. field party for horz.
 CQ9895.obs reductions. Reset procedures were used to establish the elevation.
 CQ9895
 CQ9895.Significant digits in the geoid height do not necessarily reflect accuracy.
 CQ9895
 CQ9895.Click photographs - Photos may exist for this station.
 CQ9895
 CQ9895.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 CQ9895
 CQ9895.The ellipsoidal height was determined by GPS observations
 CQ9895.and is referenced to NAD 83.
 CQ9895
 CQ9895. The following values were computed from the NAD 83(PA11) position.
 CQ9895
 CQ9895;                    North         East     Units Scale Factor Converg.
 CQ9895;UTM  01      - 3,120,758.621   463,834.603   MT  0.99961614   -0 10 27.2
 CQ9895
 CQ9895!             -  Elev Factor  x  Scale Factor =   Combined Factor
 CQ9895!UTM  01      -   0.99999948  x   0.99961614  =   0.99961562
 CQ9895
 CQ9895_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6383420758(NAD 83)
 CQ9895
 CQ9895                          SUPERSEDED SURVEY CONTROL
 CQ9895
 CQ9895  MAD61       -  28 12 32.06144(N)    177 22 10.46891(W) AD(       ) 3
 CQ9895
 CQ9895.Superseded values are not recommended for survey control.
 CQ9895
 CQ9895.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 CQ9895.See file dsdata.pdf to determine how the superseded data were derived.
 CQ9895
 CQ9895_MARKER: DD = SURVEY DISK
 CQ9895_SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC.
 CQ9895_SP_SET: APRON
 CQ9895_STAMPING: MIDWAY SECOR ARMY MAP SVC 1966
 CQ9895_MARK LOGO: USACE
 CQ9895_MAGNETIC: N = NO MAGNETIC MATERIAL
 CQ9895_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
 CQ9895_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 CQ9895+SATELLITE: SATELLITE OBSERVATIONS - October 25, 2018
 CQ9895
 CQ9895  HISTORY     - Date     Condition        Report By
 CQ9895  HISTORY     - 1966     MONUMENTED       CGS
 CQ9895  HISTORY     - 20110213 GOOD             NWS
 CQ9895  HISTORY     - 20181025 GOOD             JOA
 CQ9895
 CQ9895                          STATION DESCRIPTION
 CQ9895
 CQ9895'DESCRIBED BY NATIONAL WEATHER SERVICE 2011 (DM)
 CQ9895'THE MARK IS LOCATED ON THE ISLANDS OF MIDWAY.
 CQ9895'
 CQ9895'TO REACH THE MARK FROM THE MIDWAY AIR TERMINAL PROCEED EAST ON PETERS
 CQ9895'AVENUE, TURN RIGHT ONTO NIMITZ AVENUE AT MIDWAY MALL, PROCEED THEN
 CQ9895'TURN LEFT ONTO CANNON AVENUE AND FOLLOW CANNA=ON AVENUE AS IT WINDS
 CQ9895'NORTH TO HENNESSY AVENUE. GO EAST (RIGHT) ON HENNESSY UNTIL THE SMALL
 CQ9895'BOAT BASIN SEAWALL TERMINATES. THE TIDAL MARKS ARE LOCATED ALONG THE
 CQ9895'ROADS LEADING FROM THE AIR TERMINAL TO PIER 6 AND AROUND THE BOAT
 CQ9895'BASIN.
 CQ9895'
 CQ9895'THE MARK IS A DISK SET IN THE CONCRETE PARKING APRON ALONG THE EAST
 CQ9895'SEAWALL OF THE INNER HARBOR, 55 M (180.4 FT) SOUTHWEST OF THE SOUTH
 CQ9895'SIDE OF THE BOAT HOUSE (BUILDING 3522), 40 M (131.2 FT) WEST OF THE
 CQ9895'SOUTHWEST INSHORE CORNER OF A SMALL BOAT RAMP, AND 26 M (85.3 FT)
 CQ9895'NORTHWEST OF THE SEAWALL ON THE WEST SIDE OF THE INNER HARBOR.
 CQ9895
 CQ9895                          STATION RECOVERY (2018)
 CQ9895
 CQ9895'RECOVERY NOTE BY JOHN OSWALD AND ASSOCIATES, LLC 2018 (DWL)
 CQ9895'THE STATION IS LOCATED ON MIDWAY ATOLL ISLAND AND IS APPROXIMATELY 1,
 CQ9895'314 MI (505.2 KM) NORTHWESTERLY OF HONOLULU, HAWAII, 1, 818 MI (1316.2
 CQ9895'KM) NORTHEASTERLY OF WAKE ISLAND AND 1, 856 MI (1377.3 KM)
 CQ9895'SOUTHWESTERLY OF UNALASKA, ALASKA.  OWNERSHIP--UNITED STATES FISH AND
 CQ9895'WILDLIFE SERVICE.  THE PRIMARY POINT OF CONTACT AND AIRPORT MANAGER IS
 CQ9895'TIMOTHY DEIKE, 1082 MAKEPONO STREET HONOLULU, HI 96819, 808-954-4829.
 CQ9895'
 CQ9895'TO REACH THE MARK FROM THE MIDWAY AIR TERMINAL PROCEED EAST ON PETERS
 CQ9895'AVENUE.  TURN RIGHT ONTO NIMITZ AVENUE AT MIDWAY MALL, PROCEED THEN
 CQ9895'TURN LEFT ONTO CANNON AVENUE AND FOLLOW CANNA=ON AVENUE AS IT WINDS
 CQ9895'
 CQ9895'NORTH TO HENNESSY AVENUE.  GO EAST (RIGHT) ON HENNESSY UNTIL THE SMALL
 CQ9895'BOAT BASIN SEAWALL TERMINATES.     THE STATION IS A DISK SET IN THE
 CQ9895'CONCRETE PARKING APRON ALONG THE WEST SEAWALL OF THE INNER HARBOR, 55
 CQ9895'M (180.4 FT) SOUTHWEST OF THE SOUTH SIDE OF THE BOAT HOUSE (BUILDING
 CQ9895'3522), 40 M (131.2 FT) WEST OF THE SOUTHWEST INSHORE CORNER OF A SMALL
 CQ9895'BOAT RAMP AND 26 M (85.3 FT) NORTHWEST OF THE SEAWALL ON THE WEST SIDE
 CQ9895'OF THE INNER HARBOR.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DM7816 ***********************************************************************
 DM7816  DESIGNATION -  MIDWAY SECOR AMS 1966 RM 1
 DM7816  PID         -  DM7816
 DM7816  STATE/COUNTY-  MQ/MIDWAY
 DM7816  COUNTRY     -  US
 DM7816  USGS QUAD   -  
 DM7816
 DM7816                         *CURRENT SURVEY CONTROL
 DM7816  ______________________________________________________________________
 DM7816* NAD 83(PA11) POSITION- 28 12 44.27006(N) 177 22 05.66719(W)   ADJUSTED
 DM7816* NAD 83(PA11) ELLIP HT-     3.289 (meters)        (02/20/19)   ADJUSTED
 DM7816* NAD 83(PA11) EPOCH   -  2010.00
 DM7816* LMSL    ORTHO HEIGHT -     1.8   (meters)        6.    (feet) GPS OBS
 DM7816  ______________________________________________________________________
 DM7816  GEOID HEIGHT    -          1.483 (meters)                     EGM08
 DM7816  NAD 83(PA11) X  - -5,618,706.601 (meters)                     COMP
 DM7816  NAD 83(PA11) Y  -   -258,264.930 (meters)                     COMP
 DM7816  NAD 83(PA11) Z  -  2,997,259.454 (meters)                     COMP
 DM7816
 DM7816  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DM7816  Standards:
 DM7816         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DM7816            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DM7816  -------------------------------------------------------------------
 DM7816  NETWORK    2.39   3.27           0.59   1.17   1.67      0.00265005
 DM7816  -------------------------------------------------------------------
 DM7816  Click here for local accuracies and other accuracy information.
 DM7816
 DM7816.The horizontal coordinates were established by GPS observations
 DM7816.and adjusted by the PND ENGINEERS in February 2019.
 DM7816
 DM7816.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DM7816.been affixed to the stable Pacific tectonic plate. 
 DM7816
 DM7816.The horizontal coordinates are valid at the epoch date displayed above
 DM7816.which is a decimal equivalence of Year/Month/Day.
 DM7816
 DM7816.The orthometric height was determined by GPS observations and a
 DM7816.high-resolution geoid model.
 DM7816
 DM7816.Significant digits in the geoid height do not necessarily reflect accuracy.
 DM7816
 DM7816.Click photographs - Photos may exist for this station.
 DM7816
 DM7816.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DM7816
 DM7816.The ellipsoidal height was determined by GPS observations
 DM7816.and is referenced to NAD 83.
 DM7816
 DM7816. The following values were computed from the NAD 83(PA11) position.
 DM7816
 DM7816;                    North         East     Units Scale Factor Converg.
 DM7816;UTM  01      - 3,120,774.883   463,864.695   MT  0.99961612   -0 10 26.7
 DM7816
 DM7816!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DM7816!UTM  01      -   0.99999948  x   0.99961612  =   0.99961560
 DM7816
 DM7816_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6386420774(NAD 83)
 DM7816
 DM7816                          SUPERSEDED SURVEY CONTROL
 DM7816
 DM7816  NAD 83(PA11)-  28 12 44.26429(N)    177 22 05.65304(W) AD(2010.00) 0
 DM7816  ELLIP H (06/27/12)    3.412  (m)                       GP(2010.00)    
 DM7816  NAD 83(2007)-  28 12 44.26971(N)    177 22 05.64886(W) AD(2002.00) B
 DM7816  ELLIP H (04/29/11)    3.041  (m)                       GP(2002.00) 1 1
 DM7816  LMSL                  1.97   (m)            6.5    (f) LEVELING    3  
 DM7816
 DM7816.Superseded values are not recommended for survey control.
 DM7816
 DM7816.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 DM7816.See file dsdata.pdf to determine how the superseded data were derived.
 DM7816
 DM7816_MARKER: DR = REFERENCE MARK DISK
 DM7816_SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC.
 DM7816_SP_SET: APRON
 DM7816_STAMPING: MIDWAY SECOR ARMY MAP SVC RM-1 1966
 DM7816_MARK LOGO: USACE
 DM7816_MAGNETIC: N = NO MAGNETIC MATERIAL
 DM7816_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
 DM7816_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DM7816+SATELLITE: SATELLITE OBSERVATIONS - October 25, 2018
 DM7816
 DM7816  HISTORY     - Date     Condition        Report By
 DM7816  HISTORY     - 1966     MONUMENTED       USACE
 DM7816  HISTORY     - 2018     GOOD             NGS
 DM7816  HISTORY     - 20181025 GOOD             JOA
 DM7816
 DM7816                          STATION DESCRIPTION
 DM7816
 DM7816'DESCRIBED BY NATIONAL GEODETIC SURVEY 2018 (JAP)
 DM7816'TO REACH THE MARK FROM THE MIDWAY AIR TERMINAL PROCEED EAST ON PETERS
 DM7816'AVENUE, TURN RIGHT ONTO NIMITZ AVENUE AT MIDWAY MALL, PROCEED THEN
 DM7816'TURN LEFT ONTO CANNON AVENUE AND FOLLOW CANNA=ON AVENUE AS IT WINDS
 DM7816'NORTH TO HENNESSY AVENUE.  GO EAST (RIGHT) ON HENNESSY UNTIL THE SMALL
 DM7816'BOAT BASIN SEAWALL TERMINATES.
 DM7816'
 DM7816'THE TIDAL MARKS ARE LOCATED ALONG THE ROADS LEADING FROM THE ROADS AIR
 DM7816'TERMINAL TO PIER 6 AND AROUND THE BOAT BASIN.
 DM7816'
 DM7816'THE MARK IS A USACE DISK LOCATED ON THE SOUTHWEST CORNER OF A RAISED
 DM7816'4X4 FOOT LOCATED APPROX. 23 FEET WEST-SOUTHWEST FROM SOUTHWEST CORNER
 DM7816'OF BOAT RAMP, 97 FEET SOUTH FROM SOUTHEAST CORNER OF BOAT HOUSE, AND
 DM7816'18 FEET INSHORE FROM SEAWALL.
 DM7816
 DM7816                          STATION RECOVERY (2018)
 DM7816
 DM7816'RECOVERY NOTE BY JOHN OSWALD AND ASSOCIATES, LLC 2018 (DWL)
 DM7816'RECOVERED IN GOOD CONDITION.
1    National Geodetic Survey, Retrieval Date = MAY 15, 2026 21:41:36 EDT
 DQ2107 ***********************************************************************
 DQ2107  CORS        -  This is a GPS Continuously Operating Reference Station.
 DQ2107  DESIGNATION -  MIDWAY TG CORS ARP
 DQ2107  CORS_ID     -  MQSI
 DQ2107  PID         -  DQ2107
 DQ2107  STATE/COUNTY-  MQ/MIDWAY
 DQ2107  COUNTRY     -  US
 DQ2107  USGS QUAD   -  
 DQ2107
 DQ2107                         *CURRENT SURVEY CONTROL
 DQ2107  ______________________________________________________________________
 DQ2107* NAD 83(PA11) POSITION- 28 12 53.70605(N) 177 21 39.80186(W)   ADJUSTED
 DQ2107* NAD 83(PA11) ELLIP HT-     4.616 (meters)        (04/??/25)   ADJUSTED
 DQ2107* NAD 83(PA11) EPOCH   -  2010.00
 DQ2107  ______________________________________________________________________
 DQ2107  GEOID HEIGHT    -          1.485 (meters)                     EGM08
 DQ2107  NAD 83(PA11) X  - -5,618,538.158 (meters)                     COMP
 DQ2107  NAD 83(PA11) Y  -   -258,963.237 (meters)                     COMP
 DQ2107  NAD 83(PA11) Z  -  2,997,516.049 (meters)                     COMP
 DQ2107
 DQ2107  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DQ2107  Standards:
 DQ2107         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DQ2107            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DQ2107  -------------------------------------------------------------------
 DQ2107  NETWORK    0.14   0.77           0.07   0.03   0.40     -0.03344900
 DQ2107  -------------------------------------------------------------------
 DQ2107
 DQ2107.The coordinates were established by GPS observations
 DQ2107.and adjusted by the National Geodetic Survey in April 2025.
 DQ2107
 DQ2107.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DQ2107.been affixed to the stable Pacific Tectonic Plate. 
 DQ2107
 DQ2107.The coordinates are valid at the epoch date displayed above
 DQ2107.which is a decimal equivalence of Year/Month/Day.
 DQ2107
 DQ2107.NGS completed the third reprocessing of daily RINEX data from 1996 to 2022
 DQ2107.for all stations in the NOAA CORS Network (NCN).  The reprocessed solution,
 DQ2107.known as the Multi-Year CORS Solution 3 (MYCS3), is aligned with the
 DQ2107.ITFR2020 global frame, epoch 2020.00.  The resulting MYCS3 coordinates
 DQ2107.were then transformed to NAD83(2011/MA11/PA11), maintaining the currently
 DQ2107.published epoch of 2010.00.
 DQ2107
 DQ2107.Additional information on MYCS is available at:
 DQ2107.https://geodesy.noaa.gov/CORS/index.shtml
 DQ2107
 DQ2107.Significant digits in the geoid height do not necessarily reflect accuracy.
 DQ2107
 DQ2107.The PID for the CORS L1 Phase Center is DQ2108.
 DQ2107
 DQ2107.Click photographs - Photos may exist for this station.
 DQ2107
 DQ2107.The XYZ, and position/ellipsoidal ht. are equivalent.
 DQ2107
 DQ2107.The ellipsoidal height was determined by GPS observations
 DQ2107.and is referenced to NAD 83.
 DQ2107
 DQ2107. The following values were computed from the NAD 83(PA11) position.
 DQ2107
 DQ2107;                    North         East     Units Scale Factor Converg.
 DQ2107;UTM  01      - 3,121,063.127   464,570.608   MT  0.99961549   -0 10 14.5
 DQ2107
 DQ2107!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DQ2107!UTM  01      -   0.99999927  x   0.99961549  =   0.99961477
 DQ2107
 DQ2107_U.S. NATIONAL GRID SPATIAL ADDRESS: 1RDM6457021063(NAD 83)
 DQ2107
 DQ2107                          SUPERSEDED SURVEY CONTROL
 DQ2107
 DQ2107  NAD 83(PA11)-  28 12 53.70628(N)    177 21 39.80232(W) AD(2010.00) c
 DQ2107  ELLIP H (08/??/21)    4.589  (m)                       GP(2010.00) c c
 DQ2107  NAD 83(PA11)-  28 12 53.70639(N)    177 21 39.80230(W) AD(2010.00) c
 DQ2107  ELLIP H (09/??/17)    4.578  (m)                       GP(2010.00) c c
 DQ2107  NAD 83(PA11)-  28 12 53.73643(N)    177 21 39.84406(W) AD(2010.00) c
 DQ2107  ELLIP H (04/??/16)    4.503  (m)                       GP(2010.00) c c
 DQ2107
 DQ2107.Superseded values are not recommended for survey control.
 DQ2107
 DQ2107.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 DQ2107.See file dsdata.pdf to determine how the superseded data were derived.
 DQ2107
 DQ2107_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
 DQ2107
 DQ2107                          STATION DESCRIPTION
 DQ2107
 DQ2107'DESCRIBED BY NATIONAL GEODETIC SURVEY 2025
 DQ2107'THIS STATION IS PART OF THE NOAA CORS NETWORK (NCN).  LATEST INFORMATION
 DQ2107'INCLUDING POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE
 DQ2107'AND LOG FILES ACCESSIBLE AT:
 DQ2107'https://geodesy.noaa.gov/CORS/index.shtml

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