1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 FX5231 *********************************************************************** FX5231 CBN - This is a Cooperative Base Network Control Station. FX5231 DESIGNATION - BLOCK RM 3 FX5231 PID - FX5231 FX5231 STATE/COUNTY- NC/HALIFAX FX5231 USGS QUAD - SCOTLAND NECK (1962) FX5231 FX5231 *CURRENT SURVEY CONTROL FX5231 ___________________________________________________________________ FX5231* NAD 83(1986)- 36 14 30.82344(N) 077 29 54.67147(W) ADJUSTED FX5231* NAVD 88 - 38.51 (meters) 126.3 (feet) LEVELING FX5231 ___________________________________________________________________ FX5231 LAPLACE CORR- -1.67 (seconds) DEFLEC99 FX5231 GEOID HEIGHT- -34.67 (meters) GEOID99 FX5231 FX5231 HORZ ORDER - FIRST FX5231 VERT ORDER - THIRD FX5231 FX5231.The North Carolina/South Carolina HARNS have been completed but, FX5231.due to contractual restrictions, coordinates for these stations FX5231.will NOT be published in the near future. In the interim, the FX5231.published coordinates in North and South Carolina will not be FX5231.consistent with the Continuously Operating Reference Stations FX5231.(CORS). The HARN coordinates for these stations are available FX5231.upon request. Contact Gary Thompson(919-733-3836), or Lewis FX5231.Lapine(803-896-7700). FX5231. FX5231.In addition, the published North and South Carolina positions FX5231.(NAD 83 (1986)) are NOT consistent with those determined in FX5231.adjacent state readjustments. The discontinuity between stations FX5231.located in North or South Carolina and those in adjacent states FX5231.which have been adjusted to the HARN may be as much as 5 FX5231.decimeters. This will result in a significant loss of accuracy FX5231.over lines crossing such state borders. FX5231 FX5231 FX5231.The horizontal coordinates were established by GPS observations FX5231.and adjusted by the National Geodetic Survey in January 1991. FX5231 FX5231.The orthometric height was determined by differential leveling. FX5231.The vertical network tie was performed by a horz. field party for horz. FX5231.obs reductions. Reset procedures were used to establish the elevation. FX5231 FX5231.The Laplace correction was computed from DEFLEC99 derived deflections. FX5231 FX5231.The geoid height was determined by GEOID99. FX5231 FX5231; North East Units Scale Converg. FX5231;SPC NC - 277,462.098 744,563.370 MT 1.00002186 +0 51 59.8 FX5231;UTM 18 - 4,013,673.884 275,482.446 MT 1.00022113 -1 28 39.8 FX5231 FX5231 SUPERSEDED SURVEY CONTROL FX5231 FX5231 NGVD 29 - 38.84 (m) 127.4 (f) LEVELING 3 FX5231 FX5231.Superseded values are not recommended for survey control. FX5231.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. FX5231.See file dsdata.txt to determine how the superseded data were derived. FX5231 FX5231_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STF7548213674(NAD 83) FX5231_MARKER: DR = REFERENCE MARK DISK FX5231_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT FX5231_STAMPING: BLOCK NO 3 1959 1980 FX5231_MARK LOGO: NCGS FX5231_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT FX5231_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO FX5231+STABILITY: SURFACE MOTION FX5231_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR FX5231+SATELLITE: SATELLITE OBSERVATIONS - June 20, 2001 FX5231 FX5231 HISTORY - Date Condition Report By FX5231 HISTORY - 1980 MONUMENTED NCGS FX5231 HISTORY - 19930315 GOOD NCGS FX5231 HISTORY - 19930315 GOOD NCGS FX5231 HISTORY - 20010620 GOOD NCDOT FX5231 FX5231 STATION DESCRIPTION FX5231 FX5231'DESCRIBED BY NORTH CAROLINA GEODETIC SURVEY 1980 (ACD) FX5231'THE STATION IS LOCATED APPROXIMATELY 1.1 MILES SOUTHWEST OF TILLERY FX5231'AND 8.7 MILES NORTHWEST OF SCOTLAND NECK. FX5231' FX5231'TO REACH THE STATION FROM THE INTERSECTION OF NC 481 AND SR 1133 WITH FX5231'NC 561 IN TILLERY, PROCEED SOUTHWESTERLY ALONG NC 481 FOR 1.1 MILES FX5231'TO SR 1117 AND STATION IN RIGHT ROAD SHOULDER. FX5231' FX5231'STATION MARK IS A STANDARD DISK STAMPED---BLOCK NO 3 1980---SET IN FX5231'TOP OF A 10 INCH CONCRETE CYLINDER, 4 INCHES BELOW GROUND SURFACE. FX5231'MARK IS 16.4 FEET NORTHWEST OF CENTERLINE OF HIGHWAY, 121.4 FEET FX5231'NORTHEAST OF CENTERLINE INTERSECTION OF HIGHWAY AND SR 1117 AND 73.8 FX5231'FEET NORTH OF REFERENCE MARK NO 1. FX5231 FX5231 STATION RECOVERY (1993) FX5231 FX5231'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1993 (WLL) FX5231'STATION IS LOCATED ABOUT 1.1 MI (1.8 KM) SOUTHWEST OF TILLERY, AND 8.7 FX5231'MI (14.0 KM) NORTHWEST OF SCOTLAND NECK. ALONG NC 481 FOR 1.1 MI (1.8 FX5231'KM) SOUTHWEST FROM NC 561-IN TILLERY, AT SR 1117, IN THE WESTERN FX5231'SHOULDER. MARK IS RECESSED 7 INCHES BELOW THE GROUND. LOCATED 16.4 FT FX5231'(5.0 M) NORTHWEST OF THE CENTERLINE OF NC 481, 116.5 FT (35.5 M) FX5231'NORTHEAST OF THE INTERSECTION, 73.8 FT (22.5 M) NORTH OF--BLOCK RM FX5231'1--ACROSS NC 481--AND 42.5 FT (13.0 M) SOUTHWEST OF A 4-INCH OAK, 81.3 FX5231'FT (24.8 M) WEST OF A 12-INCH SWEET GUM ACROSS NC 481--BOTH WITH FX5231'REFERENCE TAGS. FX5231 FX5231 STATION RECOVERY (1993) FX5231 FX5231'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1993 (WLL) FX5231'RECOVERED IN MARCH 1993 IN GOOD CONDITION. MARK IS LOCATED 117.0 FT FX5231'(35.7 M) NORTHEAST OF THE CENTERLINE OF THE T-INTERSECTION, 42.5 FT FX5231'(13.0 M) SOUTHWEST OF A 4-INCH OAK WITH A REFERENCE TAG, AND 81.3 FT FX5231'(24.8 M) WEST OF AND ACROSS THE HIGHWAY FROM A 12-INCH SWEET GUM WITH FX5231'A REFERENCE TAG. FX5231 FX5231 STATION RECOVERY (2001) FX5231 FX5231'RECOVERY NOTE BY NC DOT DIV OF HWYS 2001 (RMS) FX5231'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 AB6839 *********************************************************************** AB6839 CBN - This is a Cooperative Base Network Control Station. AB6839 DESIGNATION - PETTITT RESET AB6839 PID - AB6839 AB6839 STATE/COUNTY- NC/HALIFAX AB6839 USGS QUAD - RINGWOOD (1963) AB6839 AB6839 *CURRENT SURVEY CONTROL AB6839 ___________________________________________________________________ AB6839* NAD 83(1986)- 36 14 05.17605(N) 077 47 33.60938(W) ADJUSTED AB6839* NAVD 88 - 66.378 (meters) 217.78 (feet) ADJUSTED AB6839 ___________________________________________________________________ AB6839 LAPLACE CORR- -2.11 (seconds) DEFLEC99 AB6839 GEOID HEIGHT- -34.40 (meters) GEOID99 AB6839 DYNAMIC HT - 66.323 (meters) 217.59 (feet) COMP AB6839 MODELED GRAV- 979,805.4 (mgal) NAVD 88 AB6839 AB6839 HORZ ORDER - FIRST AB6839 VERT ORDER - SECOND CLASS I AB6839 AB6839.The North Carolina/South Carolina HARNS have been completed but, AB6839.due to contractual restrictions, coordinates for these stations AB6839.will NOT be published in the near future. In the interim, the AB6839.published coordinates in North and South Carolina will not be AB6839.consistent with the Continuously Operating Reference Stations AB6839.(CORS). The HARN coordinates for these stations are available AB6839.upon request. Contact Gary Thompson(919-733-3836), or Lewis AB6839.Lapine(803-896-7700). AB6839. AB6839.In addition, the published North and South Carolina positions AB6839.(NAD 83 (1986)) are NOT consistent with those determined in AB6839.adjacent state readjustments. The discontinuity between stations AB6839.located in North or South Carolina and those in adjacent states AB6839.which have been adjusted to the HARN may be as much as 5 AB6839.decimeters. This will result in a significant loss of accuracy AB6839.over lines crossing such state borders. AB6839 AB6839 AB6839.The horizontal coordinates were established by classical geodetic methods AB6839.and adjusted by the National Geodetic Survey in July 1986. AB6839 AB6839.The orthometric height was determined by differential leveling AB6839.and adjusted by the National Geodetic Survey in July 2000. AB6839.No vertical observational check was made to the station. AB6839 AB6839.The Laplace correction was computed from DEFLEC99 derived deflections. AB6839 AB6839.The geoid height was determined by GEOID99. AB6839 AB6839.The dynamic height is computed by dividing the NAVD 88 AB6839.geopotential number by the normal gravity value computed on the AB6839.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AB6839.degrees latitude (g = 980.6199 gals.). AB6839 AB6839.The modeled gravity was interpolated from observed gravity values. AB6839 AB6839; North East Units Scale Converg. AB6839;SPC NC - 276,310.867 718,134.512 MT 1.00001972 +0 41 48.6 AB6839;UTM 18 - 4,013,605.617 249,021.302 MT 1.00037619 -1 39 05.7 AB6839 AB6839: Primary Azimuth Mark Grid Az AB6839:SPC NC - PETTITT RM 1 AZIMUTH 087 30 38.8 AB6839:UTM 18 - PETTITT RM 1 AZIMUTH 089 51 33.1 AB6839 AB6839|---------------------------------------------------------------------| AB6839| PID Reference Object Distance Geod. Az | AB6839| dddmmss.s | AB6839| FX4997 PETTITT RM 1 AZIMUTH 0881227.4 | AB6839| FX4251 ENFIELD MUNICIPAL TANK APPROX.12.9 KM 1180625.9 | AB6839| FX4249 ENFIELD BRICK STACK APPROX.12.6 KM 1222046.4 | AB6839| FX4998 PETTITT RM 2 55.199 METERS 13416 | AB6839| FX5000 PETTITT RM 4 54.401 METERS 13709 | AB6839| FX4247 WHITAKERS MUN TANK APPROX.16.1 KM 1525053.5 | AB6839| FX4246 WHITAKERS BLANCHARD YARN TANK APPROX.16.9 KM 1591641.0 | AB6839| FX4999 PETTITT RM 3 50.927 METERS 27743 | AB6839|---------------------------------------------------------------------| AB6839 AB6839 SUPERSEDED SURVEY CONTROL AB6839 AB6839.No superseded survey control is available for this station. AB6839 AB6839_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STF4902113606(NAD 83) AB6839_MARKER: DH = HORIZONTAL CONTROL DISK AB6839_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AB6839_STAMPING: PETTITT 1933 1993 AB6839_MARK LOGO: NGS AB6839_MAGNETIC: T = STEEL SPIKE ADJACENT TO MONUMENT AB6839_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AB6839+STABILITY: SURFACE MOTION AB6839_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AB6839+SATELLITE: SATELLITE OBSERVATIONS - June 20, 2001 AB6839 AB6839 HISTORY - Date Condition Report By AB6839 HISTORY - 1993 MONUMENTED NCGS AB6839 HISTORY - 19930629 GOOD NCGS AB6839 HISTORY - 19970430 GOOD NCGS AB6839 HISTORY - 20010620 GOOD NCDOT AB6839 AB6839 STATION DESCRIPTION AB6839 AB6839'DESCRIBED BY NORTH CAROLINA GEODETIC SURVEY 1993 (WLL) AB6839'STATION IS LOCATED ABOUT 8 MI (12.9 KM) NORTHWEST OF ENFIELD, AND 13 AB6839'MI (20.9 KM) SOUTHWEST OF HALIFAX. PROCEED ALONG NC 481 FOR 0.8 MI AB6839'(1.3 KM) NORTHWEST FROM US 301-IN ENFIELD TO SR 1002, THENCE ALONG SR AB6839'1002 FOR 8.25 MI (13.28 KM) NORTHWESTERLY TO SR 1213, THENCE ALONG SR AB6839'1213 FOR 0.75 MI (1.21 KM) NORTHEASTERLY TO THE STATION ON THE LEFT, AB6839'IN THE FRONT YARD OF A WHITE ONE-STORY FRAME HOUSE (BUCK RUN HUNT AB6839'CLUB). THE UNDERGROUND MARK IS A STANDARD NGS HORIZONTAL DISK AB6839'STAMPED---PETTITT 1933---, SET IN TOP OF A IRREGULAR MASS OF CONCRETE, AB6839'AND IS RECESSED 29 INCHES BELOW THE GROUND. MARK IS FLUSH WITH THE AB6839'GROUND. LOCATED 204 FT (62.2 M) NORTH-NORTHWEST OF THE CENTERLINE OF AB6839'SR 1213, 24 FT (7.3 M) WEST-SOUTHWEST OF THE INTERSECTION OF THE AB6839'DRIVEWAYS, 96.0 FT (29.3 M) SOUTHEAST OF THE SOUTHEAST CORNER OF THE AB6839'HOUSE (BUCK RUN HUNTING CLUB), 137.5 FT (41.9 M) SOUTH-SOUTHEAST OF A AB6839'WELL. AB6839 AB6839 STATION RECOVERY (1997) AB6839 AB6839'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1997 (WLL) AB6839'RECOVERED AS DESCRIBED IN 1995 DESCRIPTION. AB6839 AB6839 STATION RECOVERY (2001) AB6839 AB6839'RECOVERY NOTE BY NC DOT DIV OF HWYS 2001 (RMS) AB6839'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 FX4349 *********************************************************************** FX4349 PACS - This is a Primary Airport Control Station. FX4349 DESIGNATION - ROANPORT FX4349 PID - FX4349 FX4349 STATE/COUNTY- NC/HALIFAX FX4349 USGS QUAD - ROANOKE RAPIDS (1974) FX4349 FX4349 *CURRENT SURVEY CONTROL FX4349 ___________________________________________________________________ FX4349* NAD 83(2001)- 36 26 36.21593(N) 077 42 26.48958(W) ADJUSTED FX4349* NAVD 88 - 77.386 (meters) 253.89 (feet) ADJUSTED FX4349 ___________________________________________________________________ FX4349 X - 1,093,684.154 (meters) COMP FX4349 Y - -5,019,185.273 (meters) COMP FX4349 Z - 3,767,909.049 (meters) COMP FX4349 LAPLACE CORR- -1.69 (seconds) DEFLEC99 FX4349 ELLIP HEIGHT- 43.41 (meters) (02/10/03) GPS OBS FX4349 GEOID HEIGHT- -33.97 (meters) GEOID99 FX4349 DYNAMIC HT - 77.325 (meters) 253.69 (feet) COMP FX4349 MODELED GRAV- 979,841.0 (mgal) NAVD 88 FX4349 FX4349 HORZ ORDER - B FX4349 VERT ORDER - SECOND CLASS I FX4349 ELLP ORDER - FOURTH CLASS II FX4349 FX4349.This mark is at Halifax County Airport (RZZ) FX4349 FX4349.The North Carolina/South Carolina HARNS have been completed but, FX4349.due to contractual restrictions, coordinates for these stations FX4349.will NOT be published in the near future. In the interim, the FX4349.published coordinates in North and South Carolina will not be FX4349.consistent with the Continuously Operating Reference Stations FX4349.(CORS). The HARN coordinates for these stations are available FX4349.upon request. Contact Gary Thompson(919-733-3836), or Lewis FX4349.Lapine(803-896-7700). FX4349. FX4349.In addition, the published North and South Carolina positions FX4349.(NAD 83 (1986)) are NOT consistent with those determined in FX4349.adjacent state readjustments. The discontinuity between stations FX4349.located in North or South Carolina and those in adjacent states FX4349.which have been adjusted to the HARN may be as much as 5 FX4349.decimeters. This will result in a significant loss of accuracy FX4349.over lines crossing such state borders. FX4349 FX4349 FX4349.The horizontal coordinates were established by GPS observations FX4349.and adjusted by the National Geodetic Survey in February 2003. FX4349.This is a SPECIAL STATUS position. See SPECIAL STATUS under the FX4349.DATUM ITEM on the data sheet items page. FX4349 FX4349.The orthometric height was determined by differential leveling FX4349.and adjusted by the National Geodetic Survey in July 2000. FX4349 FX4349.The X, Y, and Z were computed from the position and the ellipsoidal ht. FX4349 FX4349.The Laplace correction was computed from DEFLEC99 derived deflections. FX4349 FX4349.The ellipsoidal height was determined by GPS observations FX4349.and is referenced to NAD 83. FX4349 FX4349.The geoid height was determined by GEOID99. FX4349 FX4349.The dynamic height is computed by dividing the NAVD 88 FX4349.geopotential number by the normal gravity value computed on the FX4349.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 FX4349.degrees latitude (g = 980.6199 gals.). FX4349 FX4349.The modeled gravity was interpolated from observed gravity values. FX4349 FX4349; North East Units Scale Converg. FX4349;SPC NC - 299,556.527 725,501.699 MT 1.00008900 +0 44 45.9 FX4349;UTM 18 - 4,036,536.201 257,338.651 MT 1.00032556 -1 36 32.5 FX4349 FX4349: Primary Azimuth Mark Grid Az FX4349:SPC NC - ROANPORT AZ MK 225 53 04.5 FX4349:UTM 18 - ROANPORT AZ MK 228 14 22.9 FX4349 FX4349|---------------------------------------------------------------------| FX4349| PID Reference Object Distance Geod. Az | FX4349| dddmmss.s | FX4349| FX4351 ROANPORT AZ MK APPROX. 1.2 KM 2263750.4 | FX4349|---------------------------------------------------------------------| FX4349 FX4349 SUPERSEDED SURVEY CONTROL FX4349 FX4349 NAD 83(1995)- 36 26 36.21626(N) 077 42 26.48942(W) AD( ) B FX4349 ELLIP HT - 43.42 (m) (08/23/00) GP( ) 4 2 FX4349 NAD 83(1986)- 36 26 36.22183(N) 077 42 26.50024(W) AD( ) 1 FX4349 NAD 83(1993)- 36 26 36.21706(N) 077 42 26.49015(W) AD( ) 1 FX4349 NAD 83(1986)- 36 26 36.21275(N) 077 42 26.49947(W) AD( ) 1 FX4349 NAD 83(1986)- 36 26 36.21685(N) 077 42 26.50220(W) AD( ) 3 FX4349 NAD 27 - 36 26 35.69961(N) 077 42 27.61381(W) AD( ) 3 FX4349 NGVD 29 - 77.7 (m) 255. (f) GPS OBS FX4349 FX4349.Superseded values are not recommended for survey control. FX4349.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. FX4349.See file dsdata.txt to determine how the superseded data were derived. FX4349 FX4349_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STF5733936536(NAD 83) FX4349_MARKER: DD = SURVEY DISK FX4349_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT FX4349_STAMPING: ROANPORT 1986 FX4349_MARK LOGO: NGS FX4349_MAGNETIC: O = OTHER; SEE DESCRIPTION FX4349_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO FX4349+STABILITY: SURFACE MOTION FX4349_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR FX4349+SATELLITE: SATELLITE OBSERVATIONS - September 07, 2001 FX4349 FX4349 HISTORY - Date Condition Report By FX4349 HISTORY - 1986 MONUMENTED NGS FX4349 HISTORY - 1986 GOOD NGS FX4349 HISTORY - 1987 GOOD NGS FX4349 HISTORY - 19880101 GOOD NCGS FX4349 HISTORY - 19880110 GOOD NCGS FX4349 HISTORY - 19930413 GOOD NCGS FX4349 HISTORY - 19961205 GOOD NCGS FX4349 HISTORY - 20010907 GOOD NCDOT FX4349 FX4349 STATION DESCRIPTION FX4349 FX4349'DESCRIBED BY NATIONAL GEODETIC SURVEY 1986 (MRM) FX4349'THE STATION IS LOCATED ABOUT 3.2 KM (2.0 MI) FX4349'WEST OF ROANOKE RAPIDS, ALONG U.S. HIGHWAY 158 AND ON THE HALIFAX FX4349'COUNTY AIRPORT. FX4349'OWNERSHIP--PUBLIC/CITY OF ROANOKE RAPIDS, P.O. BOX 38, ROANOKE FX4349'RAPIDS NC 27870, PHONE 919-537-1933 (AIRPORT), MANAGER - MR. FRED FX4349'WHITFIELD, BOX 55, ROANOKE RAPIDS NC 27870, PHONE 919-537-1542 FX4349'(SHOP). FX4349' FX4349'TO REACH THE STATION FROM THE JUNCTION OF INTERSTATE HIGHWAY 95 AND FX4349'U.S. HIGHWAY 158 ON THE SOUTHEAST SIDE OF ROANOKE RAPIDS, GO FX4349'WEST FOR 7.7 KM (4.8 MI) ON HIGHWAY 158 TO A PAVED ROAD LEFT (SR FX4349'1435) AND AIRPORT SIGN. TURN LEFT AND GO SOUTHERLY FOR 0.6 KM (0.4 FX4349'MI) ON THE PAVED ROAD, KEEPING LEFT AT CIRCLE, TO THE TERMINAL ON FX4349'THE RIGHT. CONTINUE THRU BARRICADE, AND GO SOUTHEAST FOR 0.1 KM FX4349'(0.05 MI), KEEP LEFT AND GO EASTERLY FOR 0.3 KM (0.2 MI) ON THE FX4349'TAXIWAY TO RAMP AND HOLDING AREA FOR RUNWAY 16 AND THE STATION ON FX4349'THE RIGHT. FX4349' FX4349'THE STATION IS A STANDARD NGS DISK FX4349'STAMPED---ROANPORT 1986---, FX4349'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT FX4349'30 CM IN DIAMETER FLUSH WITH GROUND. LOCATED FX4349'32.92 METERS (108.0 FT) SOUTHEAST FROM THE APPROXIMATE CENTER OF FX4349'THE TAXIWAY, FX4349'27.74 METERS (91.0 FT) NORTHWEST FROM THE APPROXIMATE CENTER OF FX4349'RUNWAY 23 AND FX4349'18.90 METERS (62.0 FT) SOUTHWEST FROM THE APPROXIMATE CENTER OF FX4349'RAMP AT HOLDING MARKER. FX4349'THE UNDERGROUND MARK IS A STANDARD NGS DISK FX4349'STAMPED---ROANPORT 1986---, FX4349'SET INTO AN IRREGULAR MASS OF CONCRETE 1.0 METERS BELOW THE SURFACE. FX4349' FX4349'AZIMUTH MARK NO. 1 IS A STANDARD NGS DISK FX4349'STAMPED---ROANPORT 1986---, FX4349'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT FX4349'30 CM IN DIAMETER FLUSH WITH GROUND. LOCATED FX4349'32.46 METERS (106.5 FT) NORTHWEST FROM THE APPROXIMATE CENTER OF FX4349'RUNWAY 5, FX4349'16.92 METERS (55.5 FT) EAST-NORTHEAST FROM THE APPROXIMATE CENTER FX4349'OF THE TURNAROUND RAMP AND FX4349'14.94 METERS (49.0 FT) WEST-SOUTHWEST FROM A VASI LIGHT. FX4349'TO REACH THE AZIMUTH FROM THE STATION, FX4349'GO SOUTHWEST FOR 1.3 KM (0.8 MI) ALONG THE RUNWAY TO THE STATION ON FX4349'THE RIGHT, NEAR A VASI LIGHT AND RAMP FOR TURNAROUND FOR RUNWAY 5. FX4349'THE UNDERGROUND MARK IS A STANDARD NGS DISK FX4349'STAMPED---ROANPORT 1986---, FX4349'SET INTO AN IRREGULAR MASS OF CONCRETE 1.0 METERS BELOW THE SURFACE. FX4349' FX4349'NO REFERENCE MARKS WERE SET AT THIS TIME. FX4349' FX4349'TI 4100 GPS SURVEY OF FAA AIRPORT SITES IN NORTH CAROLINA-FEBRUARY, FX4349'MARCH 1986. FX4349' FX4349'THIS STATION SUITABLE FOR GPS SURVEYS. FX4349' FX4349'DESCRIBED BY K.R. WALLACE. FX4349 FX4349 STATION RECOVERY (1986) FX4349 FX4349'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1986 FX4349'RECOVERED IN GOOD CONDITION. FX4349 FX4349 STATION RECOVERY (1987) FX4349 FX4349'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 (REP) FX4349'THE STATION WAS RECOVERED AT THIS DATE. FX4349'IN GOOD CONDITION. FX4349' FX4349'THE STATION IS LOCATED ABOUT 3.2 KM (2.0 MI) FX4349'WEST OF ROANOKE RAPIDS AND ON THE HALIFAX COUNTY AIRPORT. FX4349'OWNERSHIP--CITY OF ROANOKE RAPIDS, PO BOX 38, ROANOKE RAPIDS NC FX4349'27870, PH 919-537-1933, MR FRED WITFIELD, AIRPORT MANAGER, BOX 55, FX4349'ROANOKE RAPIDS NC 27870, PH 919-537-1542. FX4349' FX4349'TO REACH THE STATION FROM THE JUNCTION OF INTERSTATE 95 AND U.S. FX4349'HIGHWAY 158, ON THE SOUTHEAST SIDE OF ROANOKE RAPIDS. GO WEST ON FX4349'HIGHWAY 158 FOR 8.0 KM (4.95 MI) TO A PAVED ROAD LEFT, STATE ROAD FX4349'1435, AND AIRPORT SIGN. TURN LEFT AND GO SOUTHERLY ON THE PAVED FX4349'ROAD, KEEPING LEFT AT CIRCLE FOR 0.6 KM (0.35 MI) TO THE TERMINAL FX4349'ON THE RIGHT. CONTINUE THROUGH BARRICADE AND GO SOUTHEAST FOR 0.1 FX4349'KM (0.05 MI), KEEP LEFT AND GO EASTERLY ON A TAXIWAY FOR 0.3 KM FX4349'(0.2 MI) TO A RAMP AND HOLDING AREA FOR RUNWAY 16 AND THE STATION FX4349'ON THE RIGHT. FX4349' FX4349'THE STATION IS A STANDARD NGS DISK FX4349'STAMPED---ROANPORT 1986---, FX4349'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT FX4349'30 CM IN DIAMETER FLUSH WITH GROUND. LOCATED FX4349'32.9 METERS (108.0 FT) SOUTHEAST FROM THE CENTER OF THE TAXIWAY, FX4349'27.7 METERS (91.0 FT) NORTH-NORTHWEST FROM THE CENTERLINE OF RUNWAY FX4349'23 AND FX4349'18.9 METERS (62.0 FT) SOUTHWEST FROM THE CENTER OF A RAMP AT A FX4349'HOLDING MARKER. FX4349'THE UNDERGROUND MARK IS A STANDARD NGS DISK FX4349'STAMPED---ROANPORT 1986---, FX4349'SET INTO AN IRREGULAR MASS OF CONCRETE 1.0 METERS BELOW THE SURFACE. FX4349' FX4349'THE AZIMUTH MARK IS A STANDARD NGS DISK FX4349'STAMPED---ROANPORT 1986---, FX4349'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT FX4349'30 CM IN DIAMETER FLUSH WITH GROUND. LOCATED FX4349'32.5 METERS (106.5 FT) NORTH-NORTHWEST FROM THE CENTERLINE OF FX4349'RUNWAY 5, FX4349'16.9 METERS (55.5 FT) EAST-NORTHEAST FROM THE CENTER OF A TURN FX4349'AROUND RAMP AND FX4349'14.9 METERS (49.0 FT) WEST-SOUTHWEST FROM A VASI LIGHT. FX4349'TO REACH THE AZIMUTH FROM THE STATION, FX4349'GO SOUTHWEST FOR 1.3 KM (0.8 MI) ON THE RUNWAY TO THE MARK ON THE FX4349'RIGHT, NEAR A VASI LIGHT AND A RAMP FOR A TURN AROUND FOR RUNWAY 5. FX4349'THE UNDERGROUND MARK IS A STANDARD NGS DISK FX4349'STAMPED---ROANPORT 1986---, FX4349'SET INTO AN IRREGULAR MASS OF CONCRETE 1.0 METERS BELOW THE SURFACE. FX4349' FX4349'TRIMBLE GPS SURVEY, FAA AIRPORTS, VIRGINIA, EASTERN NORTH CAROLINA, FX4349'1987. FX4349' FX4349'THIS STATION IS SUITABLE FOR GPS SURVEYS. FX4349' FX4349'DESCRIBED BY K.R. WALLACE. FX4349 FX4349 STATION RECOVERY (1988) FX4349 FX4349'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1988 (ACD) FX4349'RECOVERED AS DESCRIBED. THE STATION WAS FOUND IN GOOD CONDITION. FX4349 FX4349 STATION RECOVERY (1988) FX4349 FX4349'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1988 FX4349'RECOVERED IN GOOD CONDITION. FX4349 FX4349 STATION RECOVERY (1993) FX4349 FX4349'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1993 (WLL) FX4349'STATION WAS RECOVERED BY NCGS IN APRIL 1993 AND FOUND TO BE IN GOOD FX4349'CONDITION. THIS STATION IS DESIGNATED AS THE PRIMARY AIRPORT CONTROL FX4349'STATION. FX4349 FX4349 STATION RECOVERY (1996) FX4349 FX4349'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1996 (WLL) FX4349'RECOVERED IN GOOD CONDITION AS DESCRIBED WITH THE FOLLOWING FX4349'CORRECTIONS. THE NEW ADDRESS IS RT. 5 BOX 416-D, ROANOKE RAPIDS, N.C. FX4349'27870. THE AIRPORT MANAGER IS PAUL G. BRADLEY, TELEPHONE FX4349'919-537-1930. THIS STATION IS DESIGNATED AS THE PRIMARY AIRPORT FX4349'CONTROL STATION. FX4349 FX4349 STATION RECOVERY (2001) FX4349 FX4349'RECOVERY NOTE BY NC DOT DIV OF HWYS 2001 (RMS) FX4349'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 FX4351 *********************************************************************** FX4351 SACS - This is a Secondary Airport Control Station. FX4351 DESIGNATION - ROANPORT AZ MK FX4351 PID - FX4351 FX4351 STATE/COUNTY- NC/HALIFAX FX4351 USGS QUAD - ROANOKE RAPIDS (1974) FX4351 FX4351 *CURRENT SURVEY CONTROL FX4351 ___________________________________________________________________ FX4351* NAD 83(2001)- 36 26 10.07018(N) 077 43 00.74495(W) ADJUSTED FX4351* NAVD 88 - 77.245 (meters) 253.43 (feet) ADJUSTED FX4351 ___________________________________________________________________ FX4351 X - 1,092,952.396 (meters) COMP FX4351 Y - -5,019,834.471 (meters) COMP FX4351 Z - 3,767,260.611 (meters) COMP FX4351 LAPLACE CORR- -1.60 (seconds) DEFLEC99 FX4351 ELLIP HEIGHT- 43.27 (meters) (02/10/03) GPS OBS FX4351 GEOID HEIGHT- -33.97 (meters) GEOID99 FX4351 DYNAMIC HT - 77.184 (meters) 253.23 (feet) COMP FX4351 MODELED GRAV- 979,839.6 (mgal) NAVD 88 FX4351 FX4351 HORZ ORDER - SECOND FX4351 VERT ORDER - SECOND CLASS I FX4351 ELLP ORDER - FOURTH CLASS II FX4351 FX4351.This mark is at Halifax County Airport (RZZ) FX4351 FX4351.The North Carolina/South Carolina HARNS have been completed but, FX4351.due to contractual restrictions, coordinates for these stations FX4351.will NOT be published in the near future. In the interim, the FX4351.published coordinates in North and South Carolina will not be FX4351.consistent with the Continuously Operating Reference Stations FX4351.(CORS). The HARN coordinates for these stations are available FX4351.upon request. Contact Gary Thompson(919-733-3836), or Lewis FX4351.Lapine(803-896-7700). FX4351. FX4351.In addition, the published North and South Carolina positions FX4351.(NAD 83 (1986)) are NOT consistent with those determined in FX4351.adjacent state readjustments. The discontinuity between stations FX4351.located in North or South Carolina and those in adjacent states FX4351.which have been adjusted to the HARN may be as much as 5 FX4351.decimeters. This will result in a significant loss of accuracy FX4351.over lines crossing such state borders. FX4351 FX4351 FX4351.The horizontal coordinates were established by classical geodetic methods FX4351.and adjusted by the National Geodetic Survey in February 2003. FX4351.This is a SPECIAL STATUS position. See SPECIAL STATUS under the FX4351.DATUM ITEM on the data sheet items page. FX4351 FX4351.The orthometric height was determined by differential leveling FX4351.and adjusted by the National Geodetic Survey in July 2000. FX4351 FX4351.The X, Y, and Z were computed from the position and the ellipsoidal ht. FX4351 FX4351.The Laplace correction was computed from DEFLEC99 derived deflections. FX4351 FX4351.The ellipsoidal height was determined by GPS observations FX4351.and is referenced to NAD 83. FX4351 FX4351.The geoid height was determined by GEOID99. FX4351 FX4351.The dynamic height is computed by dividing the NAVD 88 FX4351.geopotential number by the normal gravity value computed on the FX4351.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 FX4351.degrees latitude (g = 980.6199 gals.). FX4351 FX4351.The modeled gravity was interpolated from observed gravity values. FX4351 FX4351; North East Units Scale Converg. FX4351;SPC NC - 298,739.533 724,658.999 MT 1.00008636 +0 44 26.1 FX4351;UTM 18 - 4,035,754.337 256,462.880 MT 1.00033080 -1 36 51.9 FX4351 FX4351: Primary Azimuth Mark Grid Az FX4351:SPC NC - ROANPORT 045 53 03.9 FX4351:UTM 18 - ROANPORT 048 14 21.9 FX4351 FX4351|---------------------------------------------------------------------| FX4351| PID Reference Object Distance Geod. Az | FX4351| dddmmss.s | FX4351| FX4349 ROANPORT APPROX. 1.2 KM 0463730.0 | FX4351|---------------------------------------------------------------------| FX4351 FX4351 SUPERSEDED SURVEY CONTROL FX4351 FX4351 NAD 83(1986)- 36 26 10.07476(N) 077 43 00.75394(W) AD( ) 2 FX4351 NAD 83(1995)- 36 26 10.07051(N) 077 43 00.74479(W) AD( ) 1 FX4351 ELLIP HT - 43.29 (m) (08/23/00) GP( ) 4 2 FX4351 NAD 83(1986)- 36 26 10.07644(N) 077 43 00.75547(W) AD( ) 2 FX4351 NAD 83(1993)- 36 26 10.07149(N) 077 43 00.74516(W) AD( ) 3 FX4351 NAD 83(1986)- 36 26 10.06762(N) 077 43 00.75435(W) AD( ) 3 FX4351 NAD 83(1986)- 36 26 10.07121(N) 077 43 00.75697(W) AD( ) 3 FX4351 NAD 27 - 36 26 09.55368(N) 077 43 01.86719(W) AD( ) 3 FX4351 NGVD 29 - 77.5 (m) 254. (f) GPS OBS FX4351 FX4351.Superseded values are not recommended for survey control. FX4351.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. FX4351.See file dsdata.txt to determine how the superseded data were derived. FX4351 FX4351_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STF5646335754(NAD 83) FX4351_MARKER: DZ = AZIMUTH MARK DISK FX4351_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT FX4351_STAMPING: ROANPORT 1986 FX4351_MARK LOGO: NGS FX4351_MAGNETIC: O = OTHER; SEE DESCRIPTION FX4351_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO FX4351+STABILITY: SURFACE MOTION FX4351_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR FX4351+SATELLITE: SATELLITE OBSERVATIONS - December 05, 1996 FX4351 FX4351 HISTORY - Date Condition Report By FX4351 HISTORY - 1986 MONUMENTED NGS FX4351 HISTORY - 1987 GOOD NGS FX4351 HISTORY - 19880101 GOOD NCGS FX4351 HISTORY - 19930413 GOOD NCGS FX4351 HISTORY - 19961205 GOOD NCGS FX4351 FX4351 STATION DESCRIPTION FX4351 FX4351'DESCRIBED BY NATIONAL GEODETIC SURVEY 1986 (MRM) FX4351'THE STATION IS LOCATED ABOUT 3.2 KM (2.0 MI) FX4351'WEST OF ROANOKE RAPIDS, ALONG U.S. HIGHWAY 158 AND ON THE HALIFAX FX4351'COUNTY AIRPORT. FX4351'OWNERSHIP--PUBLIC/CITY OF ROANOKE RAPIDS, P.O. BOX 38, ROANOKE FX4351'RAPIDS NC 27870, PHONE 919-537-1933 (AIRPORT), MANAGER - MR. FRED FX4351'WHITFIELD, BOX 55, ROANOKE RAPIDS NC 27870, PHONE 919-537-1542 FX4351'(SHOP). FX4351' FX4351'TO REACH THE STATION FROM THE JUNCTION OF INTERSTATE HIGHWAY 95 AND FX4351'U.S. HIGHWAY 158 ON THE SOUTHEAST SIDE OF ROANOKE RAPIDS, GO FX4351'WEST FOR 7.7 KM (4.8 MI) ON HIGHWAY 158 TO A PAVED ROAD LEFT (SR FX4351'1435) AND AIRPORT SIGN. TURN LEFT AND GO SOUTHERLY FOR 0.6 KM (0.4 FX4351'MI) ON THE PAVED ROAD, KEEPING LEFT AT CIRCLE, TO THE TERMINAL ON FX4351'THE RIGHT. CONTINUE THRU BARRICADE AND GO SOUTHEAST FOR 0.1 KM FX4351'(0.05 MI), KEEP LEFT AND GO EASTERLY FOR 0.3 KM (0.2 MI) ON THE FX4351'TAXIWAY TO RAMP AND HOLDING AREA FOR RUNWAY 16 AND STATION ROANPORT FX4351'ON THE RIGHT. GO SOUTHWEST FOR 1.3 KM (0.8 MI) ALONG THE RUNWAY TO FX4351'THE STATION ON THE RIGHT, NEAR A VASI LIGHT AND RAMP FOR TURNAROUND FX4351'FOR RUNWAY 5. FX4351' FX4351'THE STATION IS A STANDARD NGS DISK FX4351'STAMPED---ROANPORT 1986---, FX4351'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT FX4351'30 CM IN DIAMETER FLUSH WITH GROUND. LOCATED FX4351'32.46 METERS (106.5 FT) NORTHWEST FROM THE APPROXIMATE CENTER OF FX4351'RUNWAY 5, FX4351'16.92 METERS (55.5 FT) EAST-NORTHEAST FROM THE APPROXIMATE CENTER FX4351'OF THE TURNAROUND RAMP AND FX4351'14.94 METERS (49.0 FT) WEST-SOUTHWEST FROM A VASI LIGHT. FX4351'THE UNDERGROUND MARK IS A STANDARD NGS DISK FX4351'STAMPED---ROANPORT 1986---, FX4351'SET INTO AN IRREGULAR MASS OF CONCRETE 1.0 METERS BELOW THE SURFACE. FX4351' FX4351'NO REFERENCE MARKS WERE SET AT THIS TIME. FX4351' FX4351'TI 4100 GPS SURVEY OF FAA AIRPORT SITES IN NORTH CAROLINA-FEBRUARY, FX4351'MARCH 1986. FX4351' FX4351'THIS STATION SUITABLE FOR GPS SURVEYS. FX4351' FX4351'DESCRIBED BY K.R. WALLACE. FX4351 FX4351 STATION RECOVERY (1987) FX4351 FX4351'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 (REP) FX4351'THE STATION WAS RECOVERED AT THIS DATE. FX4351'IN GOOD CONDITION. FX4351' FX4351'THE STATION IS LOCATED ABOUT 3.2 KM (2.0 MI) FX4351'WEST OF ROANOKE RAPIDS AND ON THE HALIFAX COUNTY AIRPORT. FX4351'OWNERSHIP--CITY OF ROANOKE RAPIDS, PO BOX 38, ROANOKE RAPIDS NC FX4351'27870, PH 919-537-1933, MR FRED WITFIELD, AIRPORT MANAGER, BOX 55, FX4351'ROANOKE RAPIDS NC 27870, PH 919-537-1542. FX4351' FX4351'TO REACH THE STATION FROM THE JUNCTION OF INTERSTATE 95 AND U.S. FX4351'HIGHWAY 158, ON THE SOUTHEAST SIDE OF ROANOKE RAPIDS. GO WEST ON FX4351'HIGHWAY 158 FOR 8.0 KM (4.95 MI) TO A PAVED ROAD LEFT, STATE ROAD FX4351'1435, AND AIRPORT SIGN. TURN LEFT AND GO SOUTHERLY ON THE PAVED FX4351'ROAD, KEEPING LEFT AT CIRCLE FOR 0.6 KM (0.35 MI) TO THE TERMINAL FX4351'ON THE RIGHT. CONTINUE THROUGH BARRICADE AND GO SOUTHEAST FOR 0.1 FX4351'KM (0.05 MI), KEEP LEFT AND GO EASTERLY ON A TAXIWAY FOR 0.3 KM FX4351'(0.2 MI) TO A RAMP AND HOLDING AREA FOR RUNWAY 16 AND STATION FX4351'ROANPORT ON THE RIGHT. GO SOUTHWEST ON THE RUNWAY FOR 1.3 KM (0.8 FX4351'MI) TO THE STATION ON THE RIGHT, NEAR A VASI LIGHT AND A RAMP FOR A FX4351'TURN AROUND FOR RUNWAY 5. FX4351' FX4351'THE STATION IS A STANDARD NGS DISK FX4351'STAMPED---ROANPORT 1986---, FX4351'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT FX4351'30 CM IN DIAMETER FLUSH WITH GROUND. LOCATED FX4351'32.5 METERS (106.5 FT) NORTH-NORTHWEST FROM THE CENTERLINE OF FX4351'RUNWAY 5, FX4351'16.9 METERS (55.5 FT) EAST-NORTHEAST FROM THE CENTER OF A TURN FX4351'AROUND RAMP AND FX4351'14.9 METERS (49.0 FT) WEST-SOUTHWEST FROM A VASI LIGHT. FX4351'THE UNDERGROUND MARK IS A STANDARD NGS DISK FX4351'STAMPED---ROANPORT 1986---, FX4351'SET INTO AN IRREGULAR MASS OF CONCRETE 1.0 METERS BELOW THE SURFACE. FX4351' FX4351'TRIMBLE GPS SURVEY, FAA AIRPORTS, VIRGINIA, EASTERN NORTH CAROLINA, FX4351'1987. FX4351' FX4351'THIS STATION IS SUITABLE FOR GPS SURVEYS. FX4351' FX4351'DESCRIBED BY K.R. WALLACE. FX4351 FX4351 STATION RECOVERY (1988) FX4351 FX4351'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1988 (ACD) FX4351'RECOVERED AS DESCRIBED. THE STATION WAS FOUND IN GOOD CONDITION. FX4351 FX4351 STATION RECOVERY (1993) FX4351 FX4351'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1993 (WLL) FX4351'RECOVERED AS DESCRIBED. THIS STATION IS DESIGNATED AS A SECONDARY FX4351'AIRPORT CONTROL STATION. FX4351 FX4351 STATION RECOVERY (1996) FX4351 FX4351'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1996 (WLL) FX4351'RECOVERED IN GOOD CONDITION WITH THE FOLLOWING CORRECTIONS. THE NEW FX4351'AIRPORT ADDRESS IS RT 5 BOX 416-D, ROANOKE RAPIDS, N.C. 27870. THE FX4351'AIRPORT MANAGER IS PAUL G. BRADLEY, TELEPHONE 919-537-1930. THIS FX4351'STATION IS DESIGNATED AS A SECONDARY AIRPORT CONTROL STATION. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 AI5328 *********************************************************************** AI5328 SACS - This is a Secondary Airport Control Station. AI5328 DESIGNATION - RZZ A AI5328 PID - AI5328 AI5328 STATE/COUNTY- NC/HALIFAX AI5328 USGS QUAD - ROANOKE RAPIDS (1974) AI5328 AI5328 *CURRENT SURVEY CONTROL AI5328 ___________________________________________________________________ AI5328* NAD 83(2001)- 36 26 10.22938(N) 077 42 11.38465(W) ADJUSTED AI5328* NAVD 88 - 66.374 (meters) 217.76 (feet) ADJUSTED AI5328 ___________________________________________________________________ AI5328 X - 1,094,151.154 (meters) COMP AI5328 Y - -5,019,561.378 (meters) COMP AI5328 Z - 3,767,258.097 (meters) COMP AI5328 LAPLACE CORR- -1.83 (seconds) DEFLEC99 AI5328 ELLIP HEIGHT- 32.39 (meters) (02/10/03) GPS OBS AI5328 GEOID HEIGHT- -33.98 (meters) GEOID99 AI5328 DYNAMIC HT - 66.321 (meters) 217.59 (feet) COMP AI5328 MODELED GRAV- 979,841.3 (mgal) NAVD 88 AI5328 AI5328 HORZ ORDER - FIRST AI5328 VERT ORDER - SECOND CLASS I AI5328 ELLP ORDER - FOURTH CLASS II AI5328 AI5328.This mark is at Halifax County Airport (RZZ) AI5328 AI5328.The North Carolina/South Carolina HARNS have been completed but, AI5328.due to contractual restrictions, coordinates for these stations AI5328.will NOT be published in the near future. In the interim, the AI5328.published coordinates in North and South Carolina will not be AI5328.consistent with the Continuously Operating Reference Stations AI5328.(CORS). The HARN coordinates for these stations are available AI5328.upon request. Contact Gary Thompson(919-733-3836), or Lewis AI5328.Lapine(803-896-7700). AI5328. AI5328.In addition, the published North and South Carolina positions AI5328.(NAD 83 (1986)) are NOT consistent with those determined in AI5328.adjacent state readjustments. The discontinuity between stations AI5328.located in North or South Carolina and those in adjacent states AI5328.which have been adjusted to the HARN may be as much as 5 AI5328.decimeters. This will result in a significant loss of accuracy AI5328.over lines crossing such state borders. AI5328 AI5328 AI5328.The horizontal coordinates were established by GPS observations AI5328.and adjusted by the National Geodetic Survey in February 2003. AI5328.This is a SPECIAL STATUS position. See SPECIAL STATUS under the AI5328.DATUM ITEM on the data sheet items page. AI5328 AI5328.The orthometric height was determined by differential leveling AI5328.and adjusted by the National Geodetic Survey in July 2000. AI5328 AI5328.The X, Y, and Z were computed from the position and the ellipsoidal ht. AI5328 AI5328.The Laplace correction was computed from DEFLEC99 derived deflections. AI5328 AI5328.The ellipsoidal height was determined by GPS observations AI5328.and is referenced to NAD 83. AI5328 AI5328.The geoid height was determined by GEOID99. AI5328 AI5328.The dynamic height is computed by dividing the NAVD 88 AI5328.geopotential number by the normal gravity value computed on the AI5328.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AI5328.degrees latitude (g = 980.6199 gals.). AI5328 AI5328.The modeled gravity was interpolated from observed gravity values. AI5328 AI5328; North East Units Scale Converg. AI5328;SPC NC - 298,760.417 725,888.346 MT 1.00008638 +0 44 54.6 AI5328;UTM 18 - 4,035,724.684 257,692.343 MT 1.00032344 -1 36 22.5 AI5328 AI5328 SUPERSEDED SURVEY CONTROL AI5328 AI5328 NAD 83(1995)- 36 26 10.22971(N) 077 42 11.38449(W) AD( ) 1 AI5328 ELLIP HT - 32.40 (m) (08/23/00) GP( ) 4 2 AI5328 AI5328.Superseded values are not recommended for survey control. AI5328.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AI5328.See file dsdata.txt to determine how the superseded data were derived. AI5328 AI5328_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STF5769235725(NAD 83) AI5328_MARKER: DH = HORIZONTAL CONTROL DISK AI5328_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AI5328_STAMPING: RZZ A 1997 AI5328_MARK LOGO: NGS AI5328_MAGNETIC: T = STEEL SPIKE ADJACENT TO MONUMENT AI5328_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AI5328+STABILITY: SURFACE MOTION AI5328_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AI5328+SATELLITE: SATELLITE OBSERVATIONS - October 06, 1998 AI5328 AI5328 HISTORY - Date Condition Report By AI5328 HISTORY - 1997 MONUMENTED NCGS AI5328 HISTORY - 19961211 GOOD NCGS AI5328 HISTORY - 19981006 GOOD NCGS AI5328 AI5328 STATION DESCRIPTION AI5328 AI5328'DESCRIBED BY NORTH CAROLINA GEODETIC SURVEY 1997 (WLL) AI5328'STATION IS LOCATED ABOUT 3.3 MI (5.3 KM) WEST-SOUTHWEST OF ROANOKE AI5328'RAPIDS AND 2.5 MI (4.0 KM) NORTH OF RHEASVILLE, AT THE HALIFAX COUNTY AI5328'AIRPORT. PROCEED ALONG US 158 FOR 4.8 MI (7.7 KM) WEST FROM I-95 TO SR AI5328'1435-AIRPORT ROAD, THENCE ALONG SR 1435 FOR 0.4 MI (0.6 KM) SOUTH TO AI5328'THE AIRPORT TERMINAL AND THE STATION AT THE END OF THE GRASS RUNWAY AI5328'34, ON THE PROLONGATION OF THE THRESHOLD MARKERS. MARK IS ABOUT 1 FT AI5328'(0.3 M) LOWER THAN THE END OF RUNWAY 34 AND IS RECESSED 1 INCH BELOW AI5328'THE GROUND. LOCATED 143 FT (43.6 M) EAST-NORTHEAST OF THE CENTERLINE AI5328'OF GRASS RUNWAY 34, 74.4 FT (22.7 M) WEST-SOUTHWEST OF A WOODEN FENCE AI5328'POST WITH A WITNESS SIGN,---AND 86.3 FT (26.3 M) WEST-NORTHWEST OF THE AI5328'END WOODEN FENCE POST SET IN CONCRETE AND 126.3 FT (38.5 M) AI5328'SOUTH-SOUTHWEST OF A WOODEN FENCE POST,---BOTH WITH REFERENCE TAGS. AI5328'THIS STATION IS DESIGNATED AS A SECONDARY AIRPORT CONTROL STATION. AI5328 AI5328 STATION RECOVERY (1996) AI5328 AI5328'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1996 (WLL) AI5328'STATION IS LOCATED ABOUT 3.3 MI (5.3 KM) WEST-SOUTHWEST OF ROANOKE AI5328'RAPIDS AND 2.5 MI (4.0 KM) NORTH OF RHEASVILLE, AT THE HALIFAX COUNTY AI5328'AIRPORT. PROCEED ALONG US 158 FOR 4.8 MI (7.7 KM) WEST FROM I-95 TO SR AI5328'1435-AIRPORT ROAD, THENCE ALONG SR 1435 FOR 0.4 MI (0.6 KM) SOUTH TO AI5328'THE AIRPORT TERMINAL AND THE STATION AT THE END OF THE GRASS RUNWAY AI5328'34, ON THE PROLONGATION OF THE THRESHOLD MARKERS. MARK IS ABOUT 1 FT AI5328'(0.3 M) LOWER THAN THE END OF RUNWAY 34 AND IS RECESSED 1 INCH BELOW AI5328'THE GROUND. LOCATED 143 FT (43.6 M) EAST-NORTHEAST OF THE CENTERLINE AI5328'OF GRASS RUNWAY 34, 74.4 FT (22.7 M) WEST-SOUTHWEST OF A WOODEN FENCE AI5328'POST WITH A WITNESS SIGN,---AND 86.3 FT (26.3 M) WEST-NORTHWEST OF THE AI5328'END WOODEN FENCE POST SET IN CONCRETE AND 126.3 FT (38.5 M) AI5328'SOUTH-SOUTHWEST OF A WOODEN FENCE POST,---BOTH WITH REFERENCE TAGS. AI5328'THIS STATION IS DESIGNATED AS A SECONDARY AIRPORT CONTROL STATION. AI5328 AI5328 STATION RECOVERY (1998) AI5328 AI5328'RECOVERY NOTE BY NORTH CAROLINA GEODETIC SURVEY 1998 (EJH) AI5328'STATION IS LOCATED ABOUT 3.3 MI (5.3 KM) WEST-SOUTHWEST OF ROANOKE AI5328'RAPIDS AND 2.5 MI (4.0 KM) NORTH OF RHEASVILLE, AT THE HALIFAX COUNTY AI5328'AIRPORT. PROCEED ALONG US 158 FOR 4.8 MI (7.7 KM) WEST FROM I-95 TO SR AI5328'1435-AIRPORT ROAD, THENCE ALONG SR 1435 FOR 0.4 MI (0.6 KM) SOUTH TO AI5328'THE AIRPORT TERMINAL AND THE STATION AT THE END OF THE GRASS RUNWAY AI5328'34, ON THE PROLONGATION OF THE THRESHOLD MARKERS. MARK IS ABOUT 1 FT AI5328'(0.3 M) LOWER THAN THE END OF RUNWAY 34 AND IS RECESSED 1 INCH BELOW AI5328'THE GROUND. LOCATED 143 FT (43.6 M) EAST-NORTHEAST OF THE CENTERLINE AI5328'OF GRASS RUNWAY 34, 74.4 FT (22.7 M) WEST-SOUTHWEST OF A WOODEN FENCE AI5328'POST WITH A WITNESS SIGN,---AND 86.3 FT (26.3 M) WEST-NORTHWEST OF THE AI5328'END WOODEN FENCE POST SET IN CONCRETE AND 126.3 FT (38.5 M) AI5328'SOUTH-SOUTHWEST OF A WOODEN FENCE POST,---BOTH WITH REFERENCE TAGS. AI5328'THIS STATION IS DESIGNATED AS A SECONDARY AIRPORT CONTROL STATION.