1 National Geodetic Survey, Retrieval Date = FEBRUARY 8, 2005 DE3102 *********************************************************************** DE3102 DESIGNATION - GUY DE3102 PID - DE3102 DE3102 STATE/COUNTY- SC/ORANGEBURG DE3102 USGS QUAD - NORTH (1988) DE3102 DE3102 *CURRENT SURVEY CONTROL DE3102 ___________________________________________________________________ DE3102* NAD 83(2001)- 33 36 01.30219(N) 081 05 07.67649(W) ADJUSTED DE3102* NAVD 88 - 79.8 (meters) 262. (feet) VERTCON DE3102 ___________________________________________________________________ DE3102 X - 824,076.041 (meters) COMP DE3102 Y - -5,253,719.933 (meters) COMP DE3102 Z - 3,509,638.050 (meters) COMP DE3102 LAPLACE CORR- -0.09 (seconds) DEFLEC99 DE3102 ELLIP HEIGHT- 48.26 (meters) (03/27/03) GPS OBS DE3102 GEOID HEIGHT- -31.32 (meters) GEOID03 DE3102 DE3102 HORZ ORDER - FIRST DE3102 ELLP ORDER - FOURTH CLASS II DE3102 DE3102 DE3102.The horizontal coordinates were established by GPS observations DE3102.and adjusted by the National Geodetic Survey in March 2003. DE3102 DE3102.The NAVD 88 height was computed by applying the VERTCON shift value to DE3102.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) DE3102 DE3102.The X, Y, and Z were computed from the position and the ellipsoidal ht. DE3102 DE3102.The Laplace correction was computed from DEFLEC99 derived deflections. DE3102 DE3102.The ellipsoidal height was determined by GPS observations DE3102.and is referenced to NAD 83. DE3102 DE3102.The geoid height was determined by GEOID03. DE3102 DE3102; North East Units Scale Factor Converg. DE3102;SPC SC - 195,959.848 601,669.119 MT 0.99979438 -0 02 50.6 DE3102;SPC SC - 642,912.89 1,973,980.05 iFT 0.99979438 -0 02 50.6 DE3102;UTM 17 - 3,717,849.589 492,070.659 MT 0.99960078 -0 02 50.3 DE3102 DE3102! - Elev Factor x Scale Factor = Combined Factor DE3102!SPC SC - 0.99999242 x 0.99979438 = 0.99978681 DE3102!UTM 17 - 0.99999242 x 0.99960078 = 0.99959321 DE3102 DE3102 SUPERSEDED SURVEY CONTROL DE3102 DE3102 NAD 83(1995)- 33 36 01.30234(N) 081 05 07.67638(W) AD( ) 1 DE3102 ELLIP H (12/20/99) 48.28 (m) GP( ) 4 1 DE3102 NAD 83(1986)- 33 36 01.31392(N) 081 05 07.67485(W) AD( ) 1 DE3102 NGVD 29 (01/11/91) 80.0 (m) 262. (f) GPS OBS DE3102 DE3102.Superseded values are not recommended for survey control. DE3102.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DE3102.See file dsdata.txt to determine how the superseded data were derived. DE3102 DE3102_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SMT9207117850(NAD 83) DE3102_MARKER: DD = SURVEY DISK DE3102_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DE3102_STAMPING: GUY 1990 DE3102_MARK LOGO: SCGS DE3102_MAGNETIC: T = STEEL SPIKE ADJACENT TO MONUMENT DE3102_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DE3102+STABILITY: SURFACE MOTION DE3102_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DE3102+SATELLITE: SATELLITE OBSERVATIONS - January 04, 2005 DE3102 DE3102 HISTORY - Date Condition Report By DE3102 HISTORY - 1990 MONUMENTED SCGS DE3102 HISTORY - 20050104 GOOD INDIV DE3102 DE3102 STATION DESCRIPTION DE3102 DE3102'DESCRIBED BY SOUTH CAROLINA GEODETIC SURVEY 1990 DE3102'STATION IS LOCATED 1.4 MILES SOUTHEAST OF NORTH. DE3102'OWNERSHIP--CHARLESTON AIR FORCE BASE, 437 MILITARY AIR LIFT WING, DE3102'CHARLESTON, SC 29404, PHONE MR. GUY AT 803-247-2241. NOTE-CALL ONE DE3102'WEEK AHEAD OF GPS OBSERVATION FOR PERMISSION AND AIRPORT CLEARANCE. DE3102'TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAYS 321 (MAIN DE3102'STREET) AND 178 (EDISTO STREET) IN NORTH, GO EAST ON HIGHWAY 178 FOR DE3102'2.35 MILES TO THE JUNCTION OF STATE ROAD 73, TURN RIGHT ON ROAD 73 DE3102'FOR 0.65 MILE TO THE ENTRANCE GATE RIGHT TO THE NORTH AIR FORCE DE3102'AUXILIARY FIELD AIRPORT, TURN RIGHT ON THE ENTRANCE ROAD FOR 0.2 MILE DE3102'TO A SMALL METAL BUILDING ON THE LEFT, STOP AND SIGN IN ON THE DE3102'VISITORS LOG BOOK, CONTINUE AHEAD ON THE PAVED ROAD FOR 0.2 MILE TO DE3102'THE BEGINNING OF AN OPEN CONCRETE RUNWAY, TURN RIGHT ON THE CONCRETE DE3102'RUNWAY ALONG THE RIGHT EDGE OF THE RUNWAY FOR 0.15 MILE TO THE DE3102'JUNCTION OF A LONG RUNWAY LEFT HEADING SOUTHWEST, TURN LEFT ON THE DE3102'RUNWAY ALONG THE RIGHT EDGE OF THE RUNWAY FOR 1.25 MILES TO THE DE3102'T-JUNCTION OF A RUNWAY HEADING EAST AND WEST AND THE STATION ON THE DE3102'RIGHT IN THE NORTHWEST ANGLE. DE3102'STATION IS A CONCRETE POST FLUSH WITH THE GROUND AND LEVEL WITH THE DE3102'RUNWAYS, 3.9 FEET NORTHWEST OF THE NORTHWEST EDGE OF THE SOUTHWEST DE3102'BOUND RUNWAY, 4.6 FEET NORTH OF THE NORTH EDGE OF THE EAST-WEST DE3102'RUNWAY, 66.4 FEET NORTH OF A SCGS REFERENCE WASHER SET INTO THE DE3102'PAVEMENT AT THE JUNCTION OF THE CENTERS OF BOTH RUNWAYS, 1.9 FEET DE3102'NORTHWEST OF A WITNESS POST. DE3102'DESCRIBED BY T. HALL. DE3102 DE3102 STATION RECOVERY (2005) DE3102 DE3102'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2005 (DCS) DE3102'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = FEBRUARY 8, 2005 DE0487 *********************************************************************** DE0487 DESIGNATION - V 59 DE0487 PID - DE0487 DE0487 STATE/COUNTY- SC/ORANGEBURG DE0487 USGS QUAD - NORTH (1988) DE0487 DE0487 *CURRENT SURVEY CONTROL DE0487 ___________________________________________________________________ DE0487* NAD 83(1986)- 33 36 47. (N) 081 05 00. (W) SCALED DE0487* NAVD 88 - 90.055 (meters) 295.46 (feet) ADJUSTED DE0487 ___________________________________________________________________ DE0487 GEOID HEIGHT- -31.30 (meters) GEOID03 DE0487 DYNAMIC HT - 89.959 (meters) 295.14 (feet) COMP DE0487 MODELED GRAV- 979,577.0 (mgal) NAVD 88 DE0487 DE0487 VERT ORDER - FIRST CLASS II DE0487 DE0487.The horizontal coordinates were scaled from a topographic map and have DE0487.an estimated accuracy of +/- 6 seconds. DE0487 DE0487.The orthometric height was determined by differential leveling DE0487.and adjusted by the National Geodetic Survey in June 1991. DE0487 DE0487.The geoid height was determined by GEOID03. DE0487 DE0487.The dynamic height is computed by dividing the NAVD 88 DE0487.geopotential number by the normal gravity value computed on the DE0487.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 DE0487.degrees latitude (g = 980.6199 gals.). DE0487 DE0487.The modeled gravity was interpolated from observed gravity values. DE0487 DE0487; North East Units Estimated Accuracy DE0487;SPC SC - 197,370. 601,870. MT (+/- 180 meters Scaled) DE0487 DE0487 SUPERSEDED SURVEY CONTROL DE0487 DE0487 NGVD 29 (??/??/92) 90.290 (m) 296.23 (f) ADJ UNCH 1 2 DE0487 DE0487.Superseded values are not recommended for survey control. DE0487.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DE0487.See file dsdata.txt to determine how the superseded data were derived. DE0487 DE0487_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SMT922192(NAD 83) DE0487_MARKER: DB = BENCH MARK DISK DE0487_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT DE0487_STAMPING: V 59 1961 DE0487_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO DE0487+STABILITY: SURFACE MOTION DE0487_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR DE0487+SATELLITE: SATELLITE OBSERVATIONS - March 04, 2004 DE0487 DE0487 HISTORY - Date Condition Report By DE0487 HISTORY - 1961 MONUMENTED CGS DE0487 HISTORY - 20040304 GOOD SCGS DE0487 DE0487 STATION DESCRIPTION DE0487 DE0487'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 DE0487'AT NORTH AIR FORCE BASE. DE0487'AT NORTH AIR FORCE BASE, 1.0 MILE EAST ALONG U.S. HIGHWAY 178 DE0487'FROM ITS INTERSECTION WITH U.S. HIGHWAY 321 AT NORTH, THENCE DE0487'0.25 MILE SOUTHEAST THRU GATE ALONG AIRFIELD ROAD, 0.1 MILE DE0487'NORTHWEST OF THE NORTHWEST EDGE OF 10,000 FEET LONG DE0487'NORTHEAST-SOUTHWEST RUNWAY, 65 FEET NORTHWEST OF A CORNER IN A DE0487'BOUNDARY FENCE, 52 1/2 FEET NORTHWEST OF A TELEPHONE POLE, 1 FOOT DE0487'NORTHEAST OF A BOUNDARY FENCE, 32 1/2 FEET SOUTHWEST OF THE DE0487'CENTER LINE OF THE ROAD, 2 FEET NORTHWEST OF A METAL WITNESS DE0487'POST, 1 FOOT BELOW LEVEL OF THE ROAD AND SET IN THE TOP OF A DE0487'CONCRETE POST PROJECTING 3 INCHES ABOVE THE LEVEL OF THE GROUND. DE0487 DE0487 STATION RECOVERY (2004) DE0487 DE0487'RECOVERY NOTE BY SOUTH CAROLINA GEODETIC SURVEY 2004 (DDW) DE0487'ADDITIONAL INFORMATION, STATION IS FLUSH WITH THE GROUND AND LEVEL DE0487'WITH THE ROAD, 38.0 FEET WEST SOUTHWEST OF THE CENTER OF THE ROAD, 1.4 DE0487'FEET NORTH NORTHEAST OF A 0.4-FOOT CEDAR TREE WITH A SCGS REFERENCE DE0487'WASHER ATTACHED, 2.0 FEET NORTHWEST OF A WITNESS POST, MAGNET PUT DE0487'BESIDE STATION.