1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 JU4141 *********************************************************************** JU4141 CBN - This is a Cooperative Base Network Control Station. JU4141 DESIGNATION - GPS NC 3 A JU4141 PID - JU4141 JU4141 STATE/COUNTY- DE/NEW CASTLE JU4141 USGS QUAD - NEWARK EAST (1993) JU4141 JU4141 *CURRENT SURVEY CONTROL JU4141 ___________________________________________________________________ JU4141* NAD 83(1991)- 39 44 51.55041(N) 075 42 46.49861(W) ADJUSTED JU4141* NAVD 88 - 60.185 (meters) 197.46 (feet) ADJUSTED JU4141 ___________________________________________________________________ JU4141 X - 1,211,863.148 (meters) COMP JU4141 Y - -4,758,810.439 (meters) COMP JU4141 Z - 4,056,499.894 (meters) COMP JU4141 LAPLACE CORR- 1.11 (seconds) DEFLEC99 JU4141 ELLIP HEIGHT- 27.29 (meters) (08/09/02) GPS OBS JU4141 GEOID HEIGHT- -32.95 (meters) GEOID99 JU4141 DYNAMIC HT - 60.156 (meters) 197.36 (feet) COMP JU4141 MODELED GRAV- 980,155.4 (mgal) NAVD 88 JU4141 JU4141 HORZ ORDER - B JU4141 VERT ORDER - SECOND CLASS II JU4141 ELLP ORDER - FOURTH CLASS II JU4141 JU4141.The horizontal coordinates were established by GPS observations JU4141.and adjusted by the National Geodetic Survey in October 1991. JU4141.No horizontal observational check was made to the station. JU4141 JU4141.The orthometric height was determined by differential leveling JU4141.and adjusted by the National Geodetic Survey in March 1994. JU4141 JU4141.The X, Y, and Z were computed from the position and the ellipsoidal ht. JU4141 JU4141.The Laplace correction was computed from DEFLEC99 derived deflections. JU4141 JU4141.The ellipsoidal height was determined by GPS observations JU4141.and is referenced to NAD 83. JU4141 JU4141.The geoid height was determined by GEOID99. JU4141 JU4141.The dynamic height is computed by dividing the NAVD 88 JU4141.geopotential number by the normal gravity value computed on the JU4141.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JU4141.degrees latitude (g = 980.6199 gals.). JU4141 JU4141.The modeled gravity was interpolated from observed gravity values. JU4141 JU4141; North East Units Scale Converg. JU4141;SPC DE - 194,053.356 174,609.332 MT 1.00000293 -0 11 21.9 JU4141;SPC PA S - 48,017.814 774,583.571 MT 1.00003422 +1 19 17.9 JU4141;SPC MD - 231,789.846 510,316.141 MT 1.00006564 +0 48 28.1 JU4141;SPC MD - 760,463.85 1,674,262.21 sFT 1.00006564 +0 48 28.1 JU4141;UTM 18 - 4,399,992.744 438,921.974 MT 0.99964593 -0 27 21.1 JU4141 JU4141|---------------------------------------------------------------------| JU4141| PID Reference Object Distance Geod. Az | JU4141| dddmmss.s | JU4141| JU4140 GPS NC 3 332.519 METERS 22415 | JU4141|---------------------------------------------------------------------| JU4141 JU4141 SUPERSEDED SURVEY CONTROL JU4141 JU4141 ELLIP H (10/23/91) 27.27 (m) GP( ) 4 1 JU4141 NGVD 29 (10/23/91) 60.53 (m) 198.6 (f) LEVELING 3 JU4141 JU4141.Superseded values are not recommended for survey control. JU4141.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JU4141.See file dsdata.txt to determine how the superseded data were derived. JU4141 JU4141_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVJ3892299993(NAD 83) JU4141_MARKER: DH = HORIZONTAL CONTROL DISK JU4141_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JU4141_STAMPING: GPS NC 3A 1990 JU4141_MARK LOGO: NGS JU4141_MAGNETIC: N = NO MAGNETIC MATERIAL JU4141_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JU4141+STABILITY: SURFACE MOTION JU4141_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JU4141+SATELLITE: SATELLITE OBSERVATIONS - October 01, 2002 JU4141 JU4141 HISTORY - Date Condition Report By JU4141 HISTORY - 1990 MONUMENTED DEDHT JU4141 HISTORY - 19910109 GOOD NGS JU4141 HISTORY - 20001111 GOOD USPSQD JU4141 HISTORY - 20020910 GOOD WR JU4141 HISTORY - 20020929 GOOD JCLS JU4141 HISTORY - 20021001 GOOD JCLS JU4141 JU4141 STATION DESCRIPTION JU4141 JU4141'DESCRIBED BY NATIONAL GEODETIC SURVEY 1991 JU4141'THE STATION IS LOCATED ABOUT 8 KM (5.0 MI) NORTH-NORTHEAST OF NEWARK, JU4141'4 KM (2.5 MI) SOUTHEAST OF THE DELAWARE-PENNSYLVANIA STATE LINE, 1 KM JU4141'(0.6 MI) SOUTHWEST OF MERMAID, ON THE SOUTH SIDE OF STATE HIGHWAY 72, JU4141'IN AN OPEN AREA AT THE EAST END OF A GRAVEL RUNNING TRACK NEAR THE JU4141'INDEPENDENCE SCHOOL. OWNERSHIP--THE INDEPENDENCE SCHOOL, 1300 PAPER JU4141'MILL ROAD, NEWARK, DELAWARE 19711. JU4141'TO REACH FROM THE JUNCTION OF INTERSTATE HIGHWAY 95 (DELAWARE JU4141'TURNPIKE) AND STATE HIGHWAY 7 (EXIT 4), (ABOUT 9 KM (5.6 MI) EAST OF JU4141'NEWARK), GO NORTH ON HIGHWAY 7 FOR 4.91 KM (3.05 MI) TO ITS JUNCTION JU4141'WITH STATE HIGHWAY 2. CONTINUE NORTH ON HIGHWAY 7 (LIMESTONE ROAD) JU4141'FOR 5.10 KM (3.17 MI) TO A PAVED ROAD LEFT AT STOP LIGHT. TURN LEFT, JU4141'SOUTHWEST, ON STATE HIGHWAY 72 FOR 0.97 KM (0.60 MI) TO THE STATION JU4141'ON THE LEFT, ABOUT 0.33 KM (0.21 MI) BEFORE REACHING THE SCHOOL JU4141'ENTRANCE ROAD ON THE LEFT. JU4141'STATION MARK IS SET IN THE TOP OF A 30-CM SQUARE CONCRETE POST 5 CM JU4141'BELOW GROUND. IT IS 20.0 M (65.6 FT) SOUTH OF THE HIGHWAY CENTER, JU4141'32.5 M (106.6 FT) NORTHEAST OF THE OUTSIDE EDGE OF THE GRAVEL TRACK, JU4141'7.9 M (25.9 FT) SOUTH OF UTILITY POLE M 57 (187.0 FT) 124, 0.6 M JU4141'(2.0 FT) NORTH OF A FIBERGLASS WITNESS POST, AND 21.3 M (69.9 FT) JU4141'SOUTHWEST OF THE WEST POST TO A FIELD ENTRANCE (NO FENCE). JU4141'DESCRIBED BY G.R.HEID. JU4141 JU4141 STATION RECOVERY (2000) JU4141 JU4141'RECOVERY NOTE BY US POWER SQUADRON 2000 (SAL) JU4141'RECOVERED IN GOOD CONDITION. JU4141 JU4141 STATION RECOVERY (2002) JU4141 JU4141'RECOVERY NOTE BY WHITMAN, REQUARDT & ASSOCIATES 2002 (RTD) JU4141'RECOVERED IN GOOD CONDITION. JU4141 JU4141 STATION RECOVERY (2002) JU4141 JU4141'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2002 (MRY) JU4141'RECOVERED IN GOOD CONDITION. JU4141 JU4141 STATION RECOVERY (2002) JU4141 JU4141'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2002 JU4141'RECOVERED IN GOOD CONDITION.