1 National Geodetic Survey, Retrieval Date = OCTOBER 7, 2003 JU4135 *********************************************************************** JU4135 CBN - This is a Cooperative Base Network Control Station. JU4135 DESIGNATION - GPS K 1 A JU4135 PID - JU4135 JU4135 STATE/COUNTY- DE/KENT JU4135 USGS QUAD - FREDERICA (1993) JU4135 JU4135 *CURRENT SURVEY CONTROL JU4135 ___________________________________________________________________ JU4135* NAD 83(1991)- 39 06 40.25972(N) 075 27 45.93428(W) ADJUSTED JU4135* NAVD 88 - 4.158 (meters) 13.64 (feet) ADJUSTED JU4135 ___________________________________________________________________ JU4135 X - 1,243,882.839 (meters) COMP JU4135 Y - -4,796,873.862 (meters) COMP JU4135 Z - 4,001,882.686 (meters) COMP JU4135 LAPLACE CORR- -2.27 (seconds) DEFLEC99 JU4135 ELLIP HEIGHT- -30.51 (meters) (02/12/02) GPS OBS JU4135 GEOID HEIGHT- -34.62 (meters) GEOID99 JU4135 DYNAMIC HT - 4.155 (meters) 13.63 (feet) COMP JU4135 MODELED GRAV- 980,076.2 (mgal) NAVD 88 JU4135 JU4135 HORZ ORDER - B JU4135 VERT ORDER - SECOND CLASS II JU4135 ELLP ORDER - FOURTH CLASS I JU4135 JU4135.The horizontal coordinates were established by GPS observations JU4135.and adjusted by the National Geodetic Survey in October 1991. JU4135.No horizontal observational check was made to the station. JU4135 JU4135.The orthometric height was determined by differential leveling JU4135.and adjusted by the National Geodetic Survey in March 1994. JU4135 JU4135.The X, Y, and Z were computed from the position and the ellipsoidal ht. JU4135 JU4135.The Laplace correction was computed from DEFLEC99 derived deflections. JU4135 JU4135.The ellipsoidal height was determined by GPS observations JU4135.and is referenced to NAD 83. JU4135 JU4135.The geoid height was determined by GEOID99. JU4135 JU4135.The dynamic height is computed by dividing the NAVD 88 JU4135.geopotential number by the normal gravity value computed on the JU4135.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JU4135.degrees latitude (g = 980.6199 gals.). JU4135 JU4135.The modeled gravity was interpolated from observed gravity values. JU4135 JU4135; North East Units Scale Converg. JU4135;SPC DE - 123,349.541 196,013.418 MT 0.99999520 -0 01 44.7 JU4135;UTM 18 - 4,329,216.749 459,991.540 MT 0.99961971 -0 17 30.9 JU4135 JU4135|---------------------------------------------------------------------| JU4135| PID Reference Object Distance Geod. Az | JU4135| dddmmss.s | JU4135| JU4134 GPS K 1 383.067 METERS 30742 | JU4135|---------------------------------------------------------------------| JU4135 JU4135 SUPERSEDED SURVEY CONTROL JU4135 JU4135 ELLIP H (10/23/91) -30.62 (m) GP( ) 4 1 JU4135 NAVD 88 (02/12/02) 4.16 (m) 13.6 (f) LEVELING 3 JU4135 NGVD 29 (10/23/91) 4.40 (m) 14.4 (f) LEVELING 3 JU4135 JU4135.Superseded values are not recommended for survey control. JU4135.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JU4135.See file dsdata.txt to determine how the superseded data were derived. JU4135 JU4135_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVJ5999229217(NAD 83) JU4135_MARKER: DH = HORIZONTAL CONTROL DISK JU4135_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JU4135_STAMPING: GPS K-1A 1990 JU4135_MARK LOGO: NGS JU4135_MAGNETIC: N = NO MAGNETIC MATERIAL JU4135_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JU4135+STABILITY: SURFACE MOTION JU4135_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JU4135+SATELLITE: SATELLITE OBSERVATIONS - August 27, 2003 JU4135 JU4135 HISTORY - Date Condition Report By JU4135 HISTORY - 1990 MONUMENTED DEDHT JU4135 HISTORY - 19910109 GOOD NGS JU4135 HISTORY - 1999 GOOD USPSQD JU4135 HISTORY - 20000227 GOOD NGS JU4135 HISTORY - 20030827 GOOD DEWDAV JU4135 JU4135 STATION DESCRIPTION JU4135 JU4135'DESCRIBED BY NATIONAL GEODETIC SURVEY 1991 JU4135'STATION IS LOCATED ABOUT 7.5 KM (4.7 MI) SOUTHEAST OF DOVER, 0.85 KM JU4135'(0.53 MI) NORTHWEST OF THE JUNCTION OF US HIGHWAY 113 AND STATE JU4135'HIGHWAY 9, IN THE MEDIAN OF US HIGHWAY 113, AND ACROSS HIGHWAY FROM JU4135'DOVER AIR FORCE BASE. OWNERSHIP--STATE DEPARTMENT OF TRANSPORTATION. JU4135'TO REACH FROM THE JUNCTION OF US HIGHWAYS 13 AND 113 IN DOVER, GO JU4135'SOUTHEAST ON HIGHWAY 113 FOR 5.19 KM (3.22 MI) TO A CROSSROAD AT THE JU4135'MAIN GATE TO THE AIR FORCE BASE. CONTINUE AHEAD FOR 1.62 KM JU4135'(1.01 MI) TO RUNWAY APPROACH LIGHTS ACROSS THE HIGHWAY. CONTINUE JU4135'AHEAD FOR 0.24 KM (0.15 MI) TO THE STATION ON THE LEFT. JU4135'STATION MARK IS SET IN THE TOP OF A 30-CM SQUARE CONCRETE POST FLUSH JU4135'WITH THE GROUND. IT IS 11.6 M (38.1 FT) SOUTHWEST OF THE CENTER OF JU4135'THE NORTHBOUND LANES, 11.4 M (37.4 FT) NORTHEAST OF THE CENTER OF THE JU4135'SOUTHBOUND LANES, 0.5 M (1.6 FT) NORTHWEST OF A FIBERGLASS WITNESS JU4135'POST, 25.0 M (82.0 FT) SOUTHEAST OF THE EAST CORNER OF A METAL GRATE JU4135'IN A CATCH BASIN, AND 6.3 M (20.7 FT) SOUTHEAST OF THE EXTENDED JU4135'CENTER OF A PAVED ROAD ON THE AIR FORCE BASE LEADING NORTHEAST. JU4135'DESCRIBED BY G.R.HEID. JU4135 JU4135 STATION RECOVERY (1999) JU4135 JU4135'RECOVERY NOTE BY US POWER SQUADRON 1999 JU4135'RECOVERED IN GOOD CONDITION. JU4135 JU4135 STATION RECOVERY (2000) JU4135 JU4135'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 (MLM) JU4135'THE STATION IS LOCATED ON THE SOUTH SIDE OF DOVER IN THE MEDIAN OF JU4135'COMBINED US HIGHWAY 113 AND STATE HIGHWAY 1, ABOUT 1.21 KM (0.75 MI) JU4135'NORTH OF THE JUNCTION OF STATE HIGHWAY 9 NORTH, 0.40 KM (0.25 MI) JU4135'NORTHWEST OF HIGHWAY MILEPOST 50. OWNERSHIP--DELAWARE DEPARTMENT OF JU4135'TRANSPORTATION. TO REACH THE STATION FROM THE JUNCTION OF COMBINED JU4135'HIGHWAYS, STATE HIGHWAY 1 AND US HIGHWAY 113 AND STATE HIGHWAY 9 JU4135'NORTH, LOCATED ON THE SOUTH SIDE OF DOVER AND ON THE SOUTHEAST SIDE OF JU4135'THE DOVER AIR FORCE BASE, GO NORTHWEST ON COMBINED HIGHWAYS 1 AND 113 JU4135'FOR 1.21 KM (0.75 MI) TO THE STATION ON THE LEFT, IN THE MEDIAN OF THE JU4135'HIGHWAY, DIRECTLY SOUTHWEST AND ACROSS THE AIR FORCE BASE FENCE AND JU4135'NORTH BOUND LANE OF THE HIGHWAY FROM THE T-JUNCTION OF THE AFB JU4135'PERIMETER ROAD AND A ROAD LEADING NORTHEAST. THE STATION IS AN NGS JU4135'HORIZONTAL CONTROL DISK IN THE TOP OF A 30 CM CONCRETE POST ABOUT 1 CM JU4135'BELOW THE GROUND. LOCATED 0.4 KM (0.25 MI) NORTHWEST OF HIGHWAY JU4135'MILEPOST 50, 25.0 M (82.0 FT) SOUTHEAST OF THE EAST CORNER OF THE JU4135'METAL GRATE OF A CATCH BASIN, 11.6 M (38.1 FT) SOUTHWEST OF THE CENTER JU4135'OF THE NORTH BOUND LANE OF THE HIGHWAY, 11.4 M (37.4 FT) NORTHEAST OF JU4135'THE SOUTH BOUND LANE OF THE HIGHWAY AND 0.3 M (1.0 FT) SOUTHEAST OF A JU4135'FIBERGLASS WITNESS POST. JU4135 JU4135 STATION RECOVERY (2003) JU4135 JU4135'RECOVERY NOTE BY DEWBERRY DAVIS 2003 (KEC) JU4135'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = OCTOBER 7, 2003 AJ8044 *********************************************************************** AJ8044 CBN - This is a Cooperative Base Network Control Station. AJ8044 DESIGNATION - GPS K 100 AJ8044 PID - AJ8044 AJ8044 STATE/COUNTY- DE/KENT AJ8044 USGS QUAD - HARRINGTON (1993) AJ8044 AJ8044 *CURRENT SURVEY CONTROL AJ8044 ___________________________________________________________________ AJ8044* NAD 83(1991)- 38 55 55.58189(N) 075 33 57.74456(W) ADJUSTED AJ8044* NAVD 88 - 15.0 (meters) 49. (feet) GPS OBS AJ8044 ___________________________________________________________________ AJ8044 X - 1,238,356.082 (meters) COMP AJ8044 Y - -4,811,237.978 (meters) COMP AJ8044 Z - 3,986,444.078 (meters) COMP AJ8044 LAPLACE CORR- -2.13 (seconds) DEFLEC99 AJ8044 ELLIP HEIGHT- -20.06 (meters) (02/12/02) GPS OBS AJ8044 GEOID HEIGHT- -35.08 (meters) GEOID99 AJ8044 AJ8044 HORZ ORDER - A AJ8044 ELLP ORDER - FOURTH CLASS I AJ8044 AJ8044.The horizontal coordinates were established by GPS observations AJ8044.and adjusted by the National Geodetic Survey in February 2002. AJ8044 AJ8044.The orthometric height was determined by GPS observations and a AJ8044.high-resolution geoid model. AJ8044 AJ8044.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ8044 AJ8044.The Laplace correction was computed from DEFLEC99 derived deflections. AJ8044 AJ8044.The ellipsoidal height was determined by GPS observations AJ8044.and is referenced to NAD 83. AJ8044 AJ8044.The geoid height was determined by GEOID99. AJ8044 AJ8044; North East Units Scale Converg. AJ8044;SPC DE - 103,478.826 187,048.016 MT 0.99999706 -0 05 37.9 AJ8044;UTM 18 - 4,309,394.658 450,938.613 MT 0.99962964 -0 21 20.5 AJ8044 AJ8044 SUPERSEDED SURVEY CONTROL AJ8044 AJ8044.No superseded survey control is available for this station. AJ8044 AJ8044_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVJ5093909395(NAD 83) AJ8044_MARKER: DD = SURVEY DISK AJ8044_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AJ8044_STAMPING: GPS K100 1994 AJ8044_MARK LOGO: DEDHT AJ8044_MAGNETIC: O = OTHER; SEE DESCRIPTION AJ8044_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AJ8044+STABILITY: SURFACE MOTION AJ8044_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ8044+SATELLITE: SATELLITE OBSERVATIONS - August 27, 2003 AJ8044 AJ8044 HISTORY - Date Condition Report By AJ8044 HISTORY - 1994 MONUMENTED DEDHT AJ8044 HISTORY - 20030827 GOOD DEWDAV AJ8044 AJ8044 STATION DESCRIPTION AJ8044 AJ8044'DESCRIBED BY DE DEPT OF HIGHWAYS 1994 (JC) AJ8044'STATION IS LOCATED IN KENT COUNTY DELAWARE JUST NORTH OF HARRINGTON AJ8044'DELAWARE IN THE MEDIAN BETWEEN NORTH AND SOUTHBOUND LANES FOR US AJ8044'HIGHWAY 13. TO REACH FROM THE INTERSECTION OF NORTHBOUND US HWY 13 AJ8044'AND STATE ROUTE 14 IN HARRINGTON DE, PROCEED NORTH FOR 0.8 KM. (0.50 AJ8044'MI) IT IS 24.2 M (79.4 FT) WEST OF THE CENTERLINE OF NORTHBOUND US HWY AJ8044'13, 21.5 M (70.5 FT) EAST OF THE CENTERLINE OF SOUTHBOUND US HWY 13, AJ8044'87.5 M (287.1 FT) NORTH OF THE CENTERLINE OF THE CROSSOVER AT THE AJ8044'AMERICAN LEGION POST. MONUMENT IS 1 M (3.3 FT) SOUTH OF A FIBERGLASS AJ8044'WITNESS SIGN. STATION IS AN ALUMINIUM DISK SET IN A .3 M (1.0 FT) AJ8044'CONCRETE POST. MONUMENT IS INDICATED TO CONTAIN MAGNETIC MATERIAL OF AJ8044'AN UNKNOWN TYPE. AJ8044 AJ8044 STATION RECOVERY (2003) AJ8044 AJ8044'RECOVERY NOTE BY DEWBERRY DAVIS 2003 (KEC) AJ8044'RECOVERED IN GOOD CONDITION.