1 National Geodetic Survey, Retrieval Date = OCTOBER 7, 2002 AA3914 *********************************************************************** AA3914 FBN - This is a Federal Base Network Control Station. AA3914 PACS - This is a Primary Airport Control Station. AA3914 DESIGNATION - ILM A AA3914 PID - AA3914 AA3914 STATE/COUNTY- NC/NEW HANOVER AA3914 USGS QUAD - CASTLE HAYNE (1980) AA3914 AA3914 *CURRENT SURVEY CONTROL AA3914 ___________________________________________________________________ AA3914* NAD 83(2001)- 34 15 58.68363(N) 077 53 56.00989(W) ADJUSTED AA3914* NAVD 88 - 8.014 (meters) 26.29 (feet) ADJUSTED AA3914 ___________________________________________________________________ AA3914 X - 1,106,185.583 (meters) COMP AA3914 Y - -5,159,407.784 (meters) COMP AA3914 Z - 3,570,881.138 (meters) COMP AA3914 LAPLACE CORR- -5.85 (seconds) DEFLEC99 AA3914 ELLIP HEIGHT- -28.79 (meters) GPS OBS AA3914 GEOID HEIGHT- -36.80 (meters) GEOID99 AA3914 DYNAMIC HT - 8.006 (meters) 26.27 (feet) COMP AA3914 MODELED GRAV- 979,654.8 (mgal) NAVD 88 AA3914 AA3914 HORZ ORDER - A AA3914 VERT ORDER - FIRST CLASS II AA3914 ELLP ORDER - FOURTH CLASS I AA3914 AA3914.This mark is at New Hanover Intl Airport (ILM) AA3914 AA3914.The North Carolina/South Carolina HARNS have been completed but, AA3914.due to contractual restrictions, coordinates for these stations AA3914.will NOT be published in the near future. In the interim, the AA3914.published coordinates in North and South Carolina will not be AA3914.consistent with the Continuously Operating Reference Stations AA3914.(CORS). The HARN coordinates for these stations are available AA3914.upon request. Contact Gary Thompson(919-733-3836), or Lewis AA3914.Lapine(803-896-7700). AA3914. AA3914.In addition, the published North and South Carolina positions AA3914.(NAD 83 (1986)) are NOT consistent with those determined in AA3914.adjacent state readjustments. The discontinuity between stations AA3914.located in North or South Carolina and those in adjacent states AA3914.which have been adjusted to the HARN may be as much as 5 AA3914.decimeters. This will result in a significant loss of accuracy AA3914.over lines crossing such state borders. AA3914 AA3914 AA3914.The horizontal coordinates were established by GPS observations AA3914.and adjusted by the National Geodetic Survey in September 2002. AA3914.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AA3914.DATUM ITEM on the data sheet items page. AA3914 AA3914.The orthometric height was determined by differential leveling AA3914.and adjusted by the National Geodetic Survey in April 2001. AA3914 AA3914.The X, Y, and Z were computed from the position and the ellipsoidal ht. AA3914 AA3914.The Laplace correction was computed from DEFLEC99 derived deflections. AA3914 AA3914.The ellipsoidal height was determined by GPS observations AA3914.and is referenced to NAD 83. AA3914 AA3914.The geoid height was determined by GEOID99. AA3914 AA3914.The dynamic height is computed by dividing the NAVD 88 AA3914.geopotential number by the normal gravity value computed on the AA3914.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AA3914.degrees latitude (g = 980.6199 gals.). AA3914 AA3914.The modeled gravity was interpolated from observed gravity values. AA3914 AA3914; North East Units Scale Converg. AA3914;SPC NC - 57,838.083 711,008.213 MT 1.00001924 +0 38 07.9 AA3914;UTM 18 - 3,795,487.235 233,089.920 MT 1.00047825 -1 37 59.4 AA3914 AA3914: Primary Azimuth Mark Grid Az AA3914:SPC NC - ILM AP STA B 2 211 25 26.7 AA3914:UTM 18 - ILM AP STA B 2 213 41 34.0 AA3914 AA3914|---------------------------------------------------------------------| AA3914| PID Reference Object Distance Geod. Az | AA3914| dddmmss.s | AA3914| AC8599 ILM AP STA B 2 419.651 METERS 2120334.6 | AA3914| AC8598 ILM ARP 2 APPROX. 0.6 KM 3123653.7 | AA3914| AC8600 ILM ARP APPROX. 0.7 KM 3262855.6 | AA3914|---------------------------------------------------------------------| AA3914 AA3914 SUPERSEDED SURVEY CONTROL AA3914 AA3914 NAD 83(1986)- 34 15 58.69224(N) 077 53 56.02141(W) AD( ) 1 AA3914 ELLIP HT - -28.79 (m) GP( ) 3 1 AA3914 NAD 83(1992)- 34 15 58.68382(N) 077 53 56.00888(W) AD( ) A AA3914 ELLIP HT - -28.69 (m) GP( ) 1 1 AA3914 AA3914.Superseded values are not recommended for survey control. AA3914.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA3914.See file dsdata.txt to determine how the superseded data were derived. AA3914 AA3914_MARKER: I = METAL ROD AA3914_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) AA3914_STAMPING: ILM A 1995 AA3914_MARK LOGO: NGS AA3914_PROJECTION: FLUSH AA3914_MAGNETIC: I = MARKER IS A STEEL ROD AA3914_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD AA3914+STABILITY: POSITION/ELEVATION WELL AA3914_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA3914+SATELLITE: SATELLITE OBSERVATIONS - January 31, 2001 AA3914_ROD/PIPE-DEPTH: 16.2 meters AA3914_SLEEVE-DEPTH : 1.2 meters AA3914 AA3914 HISTORY - Date Condition Report By AA3914 HISTORY - 1995 MONUMENTED NGS AA3914 HISTORY - 19950111 GOOD NCGS AA3914 HISTORY - 19950111 GOOD NCGS AA3914 HISTORY - 19960924 GOOD NCGS AA3914 HISTORY - 19980718 GOOD NGS AA3914 HISTORY - 20010131 GOOD NCGS AA3914 AA3914 STATION DESCRIPTION AA3914 AA3914'DESCRIBED BY NATIONAL GEODETIC SURVEY 1995 (CSM) AA3914'THE STATION IS LOCATED IN THE EAST RAMP AREA OF THE NEW HANOVER AA3914'INTERNATIONAL AIRPORT JUST NORTHEAST OF THE FAA TRACON TOWER. TO AA3914'REACH THE STATION FROM THE INTERSECTION OF U.S. HWY 17 (MARKET AA3914'STREET) AND KERR AVENUE IN THE NORTHERN PART OF WILMINGTON, PROCEED AA3914'NORTH ON KERR AVENUE FOR 1.7 MI (2.7 KM) TO EAST RAMP ACCESS ROAD ON AA3914'THE LEFT, TURN LEFT AND PROCEED 0.65 MI (1.05 KM) TO THE END OF THE AA3914'ROAD AT THE FAA TRACON TOWER AND THE STATION ON THE LEFT AT AN AA3914'AIRFIELD ACCESS GATE. THE STATION MARK IS A 9/16 INCH DIAMETER AA3914'STAINLESS STEEL ROD WHICH WAS DRIVEN 53 FT (16.2 M) TO REFUSAL. THE AA3914'ROD WAS ROUNDED AND CENTERPUNCHED AFTER DRIVING AND IS PROTECTED BY A AA3914'GREASE FILLED TSS SLEEVE. THE TOP OF THE ROD IS 8 CM BELOW GROUND AA3914'LEVEL AND ACCESS IS HAD THROUGH A 15 CM DIAM HINGED ALUMINUM ACCESS AA3914'COVER ATTACHED TO A 13 CM DIAM PVC PIPE WHICH IS ANCHORED IN PLACE AA3914'WITH CONCRETE. IT IS, IN A GRASSY AREA BORDERED BY CURB ON THE LEFT AA3914'FACING AIRFIELD ACCESS GATE W, 11.07 M (36.32 FT) SE OF A FIBREGLASS AA3914'WITNESS POST LOCATED ALONG A NE-SW FENCELINE, 4.2 M (13.8 FT) SW FROM AA3914'THE SW EDGE OF THE PAVEMENT LEADING TO GATE W AND 3.4 M (11.2 FT) AA3914'NORTH FROM THE NORTH EDGE OF THE ROAD LEADING TO THE NORTH PARKING LOT AA3914'OF THE FAA TRACON FACILITY. AA3914 AA3914 STATION RECOVERY (1995) AA3914 AA3914'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1995 (JGG) AA3914'RECOVERED AS DESCRIBED. AA3914 AA3914 STATION RECOVERY (1995) AA3914 AA3914'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1995 (JGG) AA3914'RECOVERED AS DESCRIBED. AA3914 AA3914 STATION RECOVERY (1996) AA3914 AA3914'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1996 (JGG) AA3914'RECOVERED AS DESCRIBED. THIS STATION IS DESIGNATED AS THE PRIMARY AA3914'AIRPORT CONTROL STATION. AA3914 AA3914 STATION RECOVERY (1998) AA3914 AA3914'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (HSK) AA3914'RECOVERED AS DESCRIBED. AA3914 AA3914 STATION RECOVERY (2001) AA3914 AA3914'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 2001 (EJH) AA3914'RECOVERED AS DESCRIBED, WITH THE FOLLOWING UPDATES. THE EAST RAMP AA3914'ACCESS ROAD IS NOW AA3914'CONTROL TOWER ROAD, GATE W IS NOW GATE C8. AA3914' 1 National Geodetic Survey, Retrieval Date = OCTOBER 7, 2002 AA3915 *********************************************************************** AA3915 FBN - This is a Federal Base Network Control Station. AA3915 DESIGNATION - ILM B AA3915 PID - AA3915 AA3915 STATE/COUNTY- NC/NEW HANOVER AA3915 USGS QUAD - CASTLE HAYNE (1980) AA3915 AA3915 *CURRENT SURVEY CONTROL AA3915 ___________________________________________________________________ AA3915* NAD 83(1986)- 34 15 52. (N) 077 53 24. (W) SCALED AA3915* NAVD 88 - 2.585 (meters) 8.48 (feet) ADJUSTED AA3915 ___________________________________________________________________ AA3915 GEOID HEIGHT- -36.84 (meters) GEOID99 AA3915 DYNAMIC HT - 2.582 (meters) 8.47 (feet) COMP AA3915 MODELED GRAV- 979,652.8 (mgal) NAVD 88 AA3915 AA3915 VERT ORDER - FIRST CLASS II AA3915 AA3915.This mark is at New Hanover Intl Airport (ILM) AA3915 AA3915.The horizontal coordinates were scaled from a topographic map and have AA3915.an estimated accuracy of +/- 6 seconds. AA3915 AA3915.The orthometric height was determined by differential leveling AA3915.and adjusted by the National Geodetic Survey in April 2001. AA3915 AA3915.The geoid height was determined by GEOID99. AA3915 AA3915.The dynamic height is computed by dividing the NAVD 88 AA3915.geopotential number by the normal gravity value computed on the AA3915.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AA3915.degrees latitude (g = 980.6199 gals.). AA3915 AA3915.The modeled gravity was interpolated from observed gravity values. AA3915 AA3915; North East Units Estimated Accuracy AA3915;SPC NC - 57,640. 711,830. MT (+/- 180 meters Scaled) AA3915 AA3915 SUPERSEDED SURVEY CONTROL AA3915 AA3915.No superseded survey control is available for this station. AA3915 AA3915_MARKER: I = METAL ROD AA3915_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) AA3915_STAMPING: ILM B 1995 AA3915_MARK LOGO: NGS AA3915_PROJECTION: FLUSH AA3915_MAGNETIC: I = MARKER IS A STEEL ROD AA3915_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD AA3915+STABILITY: POSITION/ELEVATION WELL AA3915_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA3915+SATELLITE: SATELLITE OBSERVATIONS - January 31, 2001 AA3915_ROD/PIPE-DEPTH: 12.8 meters AA3915_SLEEVE-DEPTH : 1.2 meters AA3915 AA3915 HISTORY - Date Condition Report By AA3915 HISTORY - 1995 MONUMENTED NGS AA3915 HISTORY - 1995 SEE DESCRIPTION NGS AA3915 HISTORY - 19960924 GOOD NCGS AA3915 HISTORY - 20010131 GOOD NCGS AA3915 AA3915 STATION DESCRIPTION AA3915 AA3915'DESCRIBED BY NATIONAL GEODETIC SURVEY 1995 (CSM) AA3915'THE STATION IS LOCATED JUST NORTH OF WILMINGTON JUST SOUTHEAST OF THE AA3915'NEW HANOVER INTERNATIONAL AIRPORT, NORTH OF SMITH CREEK AND JUST WEST AA3915'OF NORTH KERR AVENUE. TO REACH FROM THE INTERSECTION OF U.S.HWY 17 AA3915'(MARKET STREET) AND NORTH KERR AVENUE IN THE NORTHERN PART OF AA3915'WILMINGTON PROCEED NORTH ON NORTH KERR AVE FOR 1.7 MI (2.7 KM) TO A AA3915'FORK ROAD LEFT (EAST RAMP ROAD) , BEAR LEFT ON EAST RAMP ROAD AND AA3915'PROCEED 0.05 MI (0.08 KM) TO THE STATION ON THE RIGHT IN A GRASSY AA3915'FIELD. THE STATION MARK IS A 9/16 INCH DIAM STAINLESS STEEL ROD AA3915'DRIVEN 42 FT (12.8 M) TO REFUSAL. THE ROD IS ROUNDED AT ITS TOP AND AA3915'CENTERPUNCHED. THE ROD IS PROTECTED WITH A GREASE FILLED TSS SECURITY AA3915'SLEEVE. THE ROD IS ENCASED IN A 13 CM DIAM PVC PIPE WITH A HINGED AA3915'ALUMINUM LOGO CAP WHICH IS ANCHORED BY CONCRETE AND IS FLUSH WITH AA3915'GROUND LEVEL. ACCESS TO THE DATUM POINT IS HAD THROUGH THE HINGED CAP AA3915'AND THE POINT IS 8 CM BELOW GROUND LEVEL. IT IS, 24.4 M (80.1 FT) AA3915'WEST OF THE WEST EDGE OF NORTH KERR AVENUE, 18.2 M (59.7 FT) NE OF THE AA3915'SE CORNER OF THE LARGE NEW HANOVER INTERNATIONAL AIRPORT SIGN AND 13.4 AA3915'M (44.0 FT) SW OF THE CENTER OF AN ELECTRICAL METER BOX. A FIBREGLASS AA3915'WITNESS POST IS JUST ADJACENT TO THE STATION. AA3915 AA3915 STATION RECOVERY (1995) AA3915 AA3915'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1995 (CSM) AA3915'THE STATION IS LOCATED JUST NORTH OF WILMINGTON JUST SOUTHEAST OF THE AA3915'NEW HANOVER INTERNATIONAL AIRPORT, NORTH OF SMITH CREEK AND JUST WEST AA3915'OF NORTH KERR AVENUE. TO REACH FROM THE INTERSECTION OF U.S.HWY 17 AA3915'(MARKET STREET) AND NORTH KERR AVENUE IN THE NORTHERN PART OF AA3915'WILMINGTON PROCEED NORTH ON NORTH KERR AVE FOR 1.7 MI (2.7 KM) TO A AA3915'FORK ROAD LEFT (EAST RAMP ROAD) , BEAR LEFT ON EAST RAMP ROAD AND AA3915'PROCEED 0.05 MI (0.08 KM) TO THE STATION ON THE RIGHT IN A GRASSY AA3915'FIELD. THE STATION MARK IS A 9/16 INCH DIAM STAINLESS STEEL ROD AA3915'DRIVEN 42 FT (12.8 M) TO REFUSAL. THE ROD IS ROUNDED AT ITS TOP AND AA3915'CENTERPUNCHED. THE ROD IS PROTECTED WITH A GREASE FILLED TSS SECURITY AA3915'SLEEVE. THE ROD IS ENCASED IN A 13 CM DIAM PVC PIPE WITH A HINGED AA3915'ALUMINUM LOGO CAP WHICH IS ANCHORED BY CONCRETE AND IS FLUSH WITH AA3915'GROUND LEVEL. ACCESS TO THE DATUM POINT IS HAD THROUGH THE HINGED CAP AA3915'AND THE POINT IS 8 CM BELOW GROUND LEVEL. IT IS, 24.4 M (80.1 FT) AA3915'WEST OF THE WEST EDGE OF NORTH KERR AVENUE, 18.2 M (59.7 FT) NE OF THE AA3915'SE CORNER OF THE LARGE NEW HANOVER INTERNATIONAL AIRPORT SIGN AND 13.4 AA3915'M (44.0 FT) SW OF THE CENTER OF AN ELECTRICAL METER BOX. A FIBREGLASS AA3915'WITNESS POST IS JUST ADJACENT TO THE STATION. AA3915 AA3915 STATION RECOVERY (1996) AA3915 AA3915'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1996 (JGG) AA3915'RECOVERED AS DESCRIBED. AA3915 AA3915 STATION RECOVERY (2001) AA3915 AA3915'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 2001 (EJH) AA3915'RECOVERED AS DESCRIBED. AA3915' 1 National Geodetic Survey, Retrieval Date = OCTOBER 7, 2002 EA0532 *********************************************************************** EA0532 DESIGNATION - O 21 RESET 1971 EA0532 PID - EA0532 EA0532 STATE/COUNTY- NC/NEW HANOVER EA0532 USGS QUAD - WILMINGTON (1979) EA0532 EA0532 *CURRENT SURVEY CONTROL EA0532 ___________________________________________________________________ EA0532* NAD 83(1986)- 34 14 27. (N) 077 56 57. (W) SCALED EA0532* NAVD 88 - 9.20 (+/-2cm) 30.2 (feet) VERTCON EA0532 ___________________________________________________________________ EA0532 GEOID HEIGHT- -36.70 (meters) GEOID99 EA0532 EA0532 VERT ORDER - THIRD (See Below) EA0532 EA0532.The horizontal coordinates were scaled from a topographic map and have EA0532.an estimated accuracy of +/- 6 seconds. EA0532 EA0532.The NAVD 88 height was computed by applying the VERTCON shift value to EA0532.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) EA0532.The vertical order pertains to the superseded datum. EA0532 EA0532.The geoid height was determined by GEOID99. EA0532 EA0532; North East Units Estimated Accuracy EA0532;SPC NC - 54,960. 706,410. MT (+/- 180 meters Scaled) EA0532 EA0532 SUPERSEDED SURVEY CONTROL EA0532 EA0532 NGVD 29 - 9.49 (m) 31.1 (f) RESET 3 EA0532 EA0532.Superseded values are not recommended for survey control. EA0532.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EA0532.See file dsdata.txt to determine how the superseded data were derived. EA0532 EA0532_MARKER: DB = BENCH MARK DISK EA0532_SETTING: 36 = BRIDGE EA0532_STAMPING: O 21 RESET 1971 EA0532_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL EA0532 EA0532 HISTORY - Date Condition Report By EA0532 HISTORY - 1971 MONUMENTED NGS EA0532 EA0532 STATION DESCRIPTION EA0532 EA0532'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 EA0532'AT WILMINGTON. EA0532'AT WILMINGTON, IN BRIDGE OVER RAILROAD TRACKS, JUST NORTH OF EA0532'THE INTERSECTION OF FRONT AND RED CROSS STREETS, 29 FEET WEST OF EA0532'THE CENTERLINE OF FRONT STREET, 13.8 FEET NORTHWEST OF UTILITY EA0532'POLE, 5.5 FEET NORTH OF SOUTH END OF BRIDGE RAIL AND 0.5 FOOT WEST EA0532'OF CONCRETE WALL AND RAIL. DISK IS CEMENTED FLUSH IN A DRILL EA0532'HOLE IN CONCRETE ABUTMENT AND ABOUT 1 FOOT ABOVE LEVEL OF ROAD.