














                                  SURVEY CONTROL DATA
                                
                             STATE=JQ
                             [MAY 16, 2026 01:56:2]
                    PROGRAM = datasheet95, VERSION = 8.12.5.20
1    National Geodetic Survey, Retrieval Date = MAY 16, 2026 01:56:21 EDT
 DK3429 ***********************************************************************
 DK3429  DESIGNATION -  161 9000 NO 13
 DK3429  PID         -  DK3429
 DK3429  STATE/COUNTY-  JQ/
 DK3429  COUNTRY     -  US
 DK3429  USGS QUAD   -  
 DK3429
 DK3429                         *CURRENT SURVEY CONTROL
 DK3429  ______________________________________________________________________
 DK3429* NAD 83(PA11) POSITION- 16 44 06.77673(N) 169 31 40.52913(W)   ADJUSTED
 DK3429* NAD 83(PA11) ELLIP HT-    15.311 (meters)        (06/27/12)   ADJUSTED
 DK3429* NAD 83(PA11) EPOCH   -  2010.00
 DK3429* LMSL    ORTHO HEIGHT -     1.98  (meters)        6.5   (feet) LEVELING
 DK3429  ______________________________________________________________________
 DK3429  GEOID HEIGHT    -         13.003 (meters)                     EGM08
 DK3429  NAD 83(PA11) X  - -6,007,940.304 (meters)                     COMP
 DK3429  NAD 83(PA11) Y  - -1,110,477.464 (meters)                     COMP
 DK3429  NAD 83(PA11) Z  -  1,824,795.430 (meters)                     COMP
 DK3429  VERT ORDER      -  THIRD ?
 DK3429
 DK3429  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DK3429  Standards:
 DK3429         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DK3429            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DK3429  -------------------------------------------------------------------
 DK3429  NETWORK    4.44   7.64           1.53   2.02   3.90      0.14338340
 DK3429  -------------------------------------------------------------------
 DK3429  Click here for local accuracies and other accuracy information.
 DK3429
 DK3429.The horizontal coordinates were established by GPS observations
 DK3429.and adjusted by the National Geodetic Survey in June 2012.
 DK3429
 DK3429.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DK3429.been affixed to the stable Pacific tectonic plate. 
 DK3429
 DK3429.The horizontal coordinates are valid at the epoch date displayed above
 DK3429.which is a decimal equivalence of Year/Month/Day.
 DK3429
 DK3429.The orthometric height was determined by differential leveling.
 DK3429.The vertical network tie was performed by a horz. field party for horz.
 DK3429.obs reductions. Reset procedures were used to establish the elevation.
 DK3429
 DK3429.Significant digits in the geoid height do not necessarily reflect accuracy.
 DK3429
 DK3429.Click photographs - Photos may exist for this station.
 DK3429
 DK3429.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DK3429
 DK3429.The ellipsoidal height was determined by GPS observations
 DK3429.and is referenced to NAD 83.
 DK3429
 DK3429. The following values were computed from the NAD 83(PA11) position.
 DK3429
 DK3429;                    North         East     Units Scale Factor Converg.
 DK3429;UTM  02      - 1,850,844.231   656,925.319   MT  0.99990451   +0 25 26.3
 DK3429
 DK3429!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DK3429!UTM  02      -   0.99999759  x   0.99990451  =   0.99990210
 DK3429
 DK3429_U.S. NATIONAL GRID SPATIAL ADDRESS: 2QPD5692550844(NAD 83)
 DK3429
 DK3429|---------------------------------------------------------------------|
 DK3429| PID    Reference Object                     Distance      Geod. Az  |
 DK3429|                                                           dddmmss.s |
 DK3429| TW0231 161 9000 MON JOHN                   210.347 METERS 15901     |
 DK3429| DK3428 JELLY                               198.073 METERS 24531     |
 DK3429|---------------------------------------------------------------------|
 DK3429
 DK3429                          SUPERSEDED SURVEY CONTROL
 DK3429
 DK3429  NAD 83(2002)-  16 44 06.77861(N)    169 31 40.53141(W) AD(2002.00) B
 DK3429  ELLIP H (10/30/07)   15.247  (m)                       GP(2002.00) 4 1
 DK3429
 DK3429.Superseded values are not recommended for survey control.
 DK3429
 DK3429.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 DK3429.See file dsdata.pdf to determine how the superseded data were derived.
 DK3429
 DK3429_MARKER: DJ = TIDAL STATION DISK
 DK3429_SETTING: 40 = SET IN A LARGE STRUCTURE WITH DEEP FOUNDATIONS
 DK3429_SP_SET: CONCRETE BULKHEAD CAP
 DK3429_STAMPING: NO 13 1955
 DK3429_MARK LOGO: CGS
 DK3429_MAGNETIC: N = NO MAGNETIC MATERIAL
 DK3429_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
 DK3429_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DK3429+SATELLITE: SATELLITE OBSERVATIONS - July 18, 2000
 DK3429
 DK3429  HISTORY     - Date     Condition        Report By
 DK3429  HISTORY     - 1955     MONUMENTED       CGS
 DK3429  HISTORY     - 20000718 GOOD             NGS
 DK3429
 DK3429                          STATION DESCRIPTION
 DK3429
 DK3429'DESCRIBED BY NATIONAL GEODETIC SURVEY 2000 (EEC)
 DK3429'THE STATION IS LOCATED ON JOHNSTON ATOLL, PACIFIC OCEAN.
 DK3429'
 DK3429'TO REACH THE TIDAL BENCH MARKS, FROM THE JOHNSTON ISLAND AIRPORT
 DK3429'PROCEED EAST ON THE PERIMETER ROAD AROUND THE END OF THE RUNWAY FOR
 DK3429'APPROXIMATELY 0.8 KM (0.5 MI), MAKE A RIGHT TURN INTO THE SMALL BOAT
 DK3429'BASIN.  THE BENCH MARKS AND TIDE GAGE WERE LOCATED IN THE VICINITY OF
 DK3429'THE BASIN.  THE TIDE HOUSE IS LOCATED ON THE NORTHWEST CORNER OF THE
 DK3429'PIER.
 DK3429'
 DK3429'THE PRIMARY BENCH MARK IS A DISK SET IN A CONCRETE BULKHEAD CAP AT THE
 DK3429'INSHORE END OF THE SMALL BOAT PIER, 17.53 M (57.5 FT) NORTH OF THE
 DK3429'NORTHWEST CORNER OF BUILDING 100, 7.92 M (26.0 FT) NORTHWEST OF FIRE
 DK3429'HYDRANT 14, 4.42 M (14.5 FT) WEST OF THE EASTERN SIDE OF THE CEMENT
 DK3429'BULKHEAD OF THE SMALL BOAT PIER, AND FLUSH WITH GROUND.
1    National Geodetic Survey, Retrieval Date = MAY 16, 2026 01:56:21 EDT
 DK3428 ***********************************************************************
 DK3428  HT_MOD      -  This is a Height Modernization Survey Station.
 DK3428  DESIGNATION -  JELLY
 DK3428  PID         -  DK3428
 DK3428  STATE/COUNTY-  JQ/
 DK3428  COUNTRY     -  US
 DK3428  USGS QUAD   -  
 DK3428
 DK3428                         *CURRENT SURVEY CONTROL
 DK3428  ______________________________________________________________________
 DK3428* NAD 83(PA11) POSITION- 16 44 04.10629(N) 169 31 46.61478(W)   ADJUSTED
 DK3428* NAD 83(PA11) ELLIP HT-    14.940 (meters)        (06/27/12)   ADJUSTED
 DK3428* NAD 83(PA11) EPOCH   -  2010.00
 DK3428* LMSL    ORTHO HEIGHT -     1.60  (meters)        5.2   (feet) GPS OBS
 DK3428  ______________________________________________________________________
 DK3428  LMSL orthometric height was determined with geoid model       EGM96
 DK3428  GEOID HEIGHT    -         10.733 (meters)                     EGM96
 DK3428  GEOID HEIGHT    -         13.001 (meters)                     EGM08
 DK3428  NAD 83(PA11) X  - -6,007,995.959 (meters)                     COMP
 DK3428  NAD 83(PA11) Y  - -1,110,304.436 (meters)                     COMP
 DK3428  NAD 83(PA11) Z  -  1,824,716.708 (meters)                     COMP
 DK3428
 DK3428  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 DK3428  Standards:
 DK3428         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 DK3428            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 DK3428  -------------------------------------------------------------------
 DK3428  NETWORK    4.67   8.53           1.66   2.10   4.35      0.12376470
 DK3428  -------------------------------------------------------------------
 DK3428  Click here for local accuracies and other accuracy information.
 DK3428
 DK3428.The horizontal coordinates were established by GPS observations
 DK3428.and adjusted by the National Geodetic Survey in June 2012.
 DK3428
 DK3428.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DK3428.been affixed to the stable Pacific tectonic plate. 
 DK3428
 DK3428.The horizontal coordinates are valid at the epoch date displayed above
 DK3428.which is a decimal equivalence of Year/Month/Day.
 DK3428
 DK3428.The orthometric height was determined by GPS observations and a
 DK3428.high-resolution geoid model using precise GPS observation and
 DK3428.processing techniques.
 DK3428
 DK3428.Significant digits in the geoid height do not necessarily reflect accuracy.
 DK3428
 DK3428.Click photographs - Photos may exist for this station.
 DK3428
 DK3428.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 DK3428
 DK3428.The ellipsoidal height was determined by GPS observations
 DK3428.and is referenced to NAD 83.
 DK3428
 DK3428. The following values were computed from the NAD 83(PA11) position.
 DK3428
 DK3428;                    North         East     Units Scale Factor Converg.
 DK3428;UTM  02      - 1,850,760.817   656,745.687   MT  0.99990381   +0 25 24.5
 DK3428
 DK3428!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DK3428!UTM  02      -   0.99999765  x   0.99990381  =   0.99990146
 DK3428
 DK3428_U.S. NATIONAL GRID SPATIAL ADDRESS: 2QPD5674550760(NAD 83)
 DK3428
 DK3428|---------------------------------------------------------------------|
 DK3428| PID    Reference Object                     Distance      Geod. Az  |
 DK3428|                                                           dddmmss.s |
 DK3428| DK3429 161 9000 NO 13                      198.073 METERS 06531     |
 DK3428|---------------------------------------------------------------------|
 DK3428
 DK3428                          SUPERSEDED SURVEY CONTROL
 DK3428
 DK3428  NAD 83(2002)-  16 44 04.10817(N)    169 31 46.61705(W) AD(2002.00) B
 DK3428  ELLIP H (10/30/07)   14.875  (m)                       GP(2002.00) 4 1
 DK3428
 DK3428.Superseded values are not recommended for survey control.
 DK3428
 DK3428.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 DK3428.See file dsdata.pdf to determine how the superseded data were derived.
 DK3428
 DK3428_MARKER: C = CAP OF CAP-AND-BOLT PAIR
 DK3428_SETTING: 4 = OBJECT SURROUNDED BY MASS OF CONCRETE
 DK3428_SP_SET: CONCRETE BULKHEAD CAP
 DK3428_STAMPING: 6.676
 DK3428_MAGNETIC: N = NO MAGNETIC MATERIAL
 DK3428_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
 DK3428+STABILITY: SURFACE MOTION
 DK3428_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 DK3428+SATELLITE: SATELLITE OBSERVATIONS - February 20, 2002
 DK3428
 DK3428  HISTORY     - Date     Condition        Report By
 DK3428  HISTORY     - 1955     MONUMENTED       LOCSUR
 DK3428  HISTORY     - 20020220 GOOD             NOS
 DK3428
 DK3428                          STATION DESCRIPTION
 DK3428
 DK3428'DESCRIBED BY NATIONAL OCEAN SERVICE 2002 (RAD)
 DK3428'THE STATION IS LOCATED ON JOHNSTON ATOLL, PACIFIC OCEAN.
 DK3428'
 DK3428'THE STATION IS LLOCATED ON THE NORTHERN SIDE OF JOHNSTON ISLAND, AND
 DK3428'IS LINE WITH MITCHEL STREET. LOCATED W OF SW CORNER OF BUILDING 190
 DK3428'PROTECTED BY 0.9 M (3.0 FT) BY 0.9 M CONCRETE BLOCK WITH 0.15 M (0.5
 DK3428'FT) BY 0.15 M (0.5 FT) SQUARE HANDHOLE IN THE MIDDLE.
 DK3428'
 DK3428'THE MARK IS 9.53 M (31.3 FT) WEST OF THE SOUTHWEST CORNER OF BUILDING
 DK3428'190, 10.80 M (35.4 FT) NORTH OF THE CENTERLINE OF NORTH PERIMTER ROAD,
 DK3428'9.26 M (30.4 FT) SOUTHWEST OF THE SOUTHWEST CORNER OF 480/277 VOLT
 DK3428'TRAMSFORMER VAULT NUMBER SS-0815.
1    National Geodetic Survey, Retrieval Date = MAY 16, 2026 01:56:21 EDT
 DR6948 ***********************************************************************
 DR6948  CORS        -  This is a GPS Continuously Operating Reference Station.
 DR6948  DESIGNATION -  JSTN JOHNSTON TG CORS ARP
 DR6948  CORS_ID     -  JSTN
 DR6948  PID         -  DR6948
 DR6948  STATE/COUNTY-  JQ/
 DR6948  COUNTRY     -  US
 DR6948  USGS QUAD   -  
 DR6948
 DR6948                         *CURRENT SURVEY CONTROL
 DR6948  ______________________________________________________________________
 DR6948* NAD 83(PA11) POSITION- 16 44 04.88798(N) 169 31 55.23458(W)   ADJUSTED
 DR6948* NAD 83(PA11) ELLIP HT-    16.201 (meters)        (08/??/21)   ADJUSTED
 DR6948* NAD 83(PA11) EPOCH   -  2010.00
 DR6948  ______________________________________________________________________
 DR6948  GEOID HEIGHT    -         12.995 (meters)                     EGM08
 DR6948  NAD 83(PA11) X  - -6,008,036.738 (meters)                     COMP
 DR6948  NAD 83(PA11) Y  - -1,110,052.323 (meters)                     COMP
 DR6948  NAD 83(PA11) Z  -  1,824,740.084 (meters)                     COMP
 DR6948
 DR6948.Formal positional accuracy estimates are not available for this CORS
 DR6948.because its coordinates were determined in part using modeled velocities.
 DR6948.A time-series residual plot is available that shows daily coordinate
 DR6948.variations relative to the published coordinates and modeled velocities.
 DR6948.Large residuals may indicate a potential error in the modeled velocities.
 DR6948
 DR6948.Residual plot at:
 DR6948.https://geodesy.noaa.gov/CORS/ncn_station_pages/index.html?stationID=JSTN.
 DR6948
 DR6948.The coordinates were established by GPS observations
 DR6948.and adjusted by the National Geodetic Survey in August 2021.
 DR6948
 DR6948.NAD 83(PA11) refers to NAD 83 coordinates where the reference frame has 
 DR6948.been affixed to the stable Pacific Tectonic Plate. 
 DR6948
 DR6948.The coordinates are valid at the epoch date displayed above
 DR6948.which is a decimal equivalence of Year/Month/Day.
 DR6948
 DR6948.NGS completed the third reprocessing of daily RINEX data from 1996 to 2022
 DR6948.for all stations in the NOAA CORS Network (NCN).  The reprocessed solution,
 DR6948.known as the Multi-Year CORS Solution 3 (MYCS3), is aligned with the
 DR6948.ITFR2020 global frame, epoch 2020.00.  The resulting MYCS3 coordinates
 DR6948.were then transformed to NAD83(2011/MA11/PA11), maintaining the currently
 DR6948.published epoch of 2010.00.
 DR6948
 DR6948.Additional information on MYCS is available at:
 DR6948.https://geodesy.noaa.gov/CORS/index.shtml
 DR6948
 DR6948.Significant digits in the geoid height do not necessarily reflect accuracy.
 DR6948
 DR6948.The PID for the CORS L1 Phase Center is DR6949.
 DR6948
 DR6948.Click photographs - Photos may exist for this station.
 DR6948
 DR6948.The XYZ, and position/ellipsoidal ht. are equivalent.
 DR6948
 DR6948.The ellipsoidal height was determined by GPS observations
 DR6948.and is referenced to NAD 83.
 DR6948
 DR6948. The following values were computed from the NAD 83(PA11) position.
 DR6948
 DR6948;                    North         East     Units Scale Factor Converg.
 DR6948;UTM  02      - 1,850,782.958   656,490.217   MT  0.99990282   +0 25 22.0
 DR6948
 DR6948!             -  Elev Factor  x  Scale Factor =   Combined Factor
 DR6948!UTM  02      -   0.99999745  x   0.99990282  =   0.99990027
 DR6948
 DR6948_U.S. NATIONAL GRID SPATIAL ADDRESS: 2QPD5649050782(NAD 83)
 DR6948
 DR6948                          SUPERSEDED SURVEY CONTROL
 DR6948
 DR6948.No superseded survey control is available for this station.
 DR6948
 DR6948_MARKER: STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA
 DR6948
 DR6948                          STATION DESCRIPTION
 DR6948
 DR6948'DESCRIBED BY NATIONAL GEODETIC SURVEY 2021
 DR6948'THIS STATION IS PART OF THE NOAA CORS NETWORK (NCN).  LATEST INFORMATION
 DR6948'INCLUDING POSITIONS AND VELOCITIES ARE AVAILABLE IN THE COORDINATE
 DR6948'AND LOG FILES ACCESSIBLE AT:
 DR6948'https://geodesy.noaa.gov/CORS/index.shtml

 *** retrieval complete.
