1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 HS4524 *********************************************************************** HS4524 CBN - This is a Cooperative Base Network Control Station. HS4524 DESIGNATION - D 1420 HS4524 PID - HS4524 HS4524 STATE/COUNTY- CA/MERCED HS4524 USGS QUAD - MERCED (1987) HS4524 HS4524 *CURRENT SURVEY CONTROL HS4524 ___________________________________________________________________ HS4524* NAD 83(1998)- 37 15 53.01767(N) 120 25 41.47572(W) ADJUSTED HS4524* NAVD 88 - 55.755 (meters) 182.92 (feet) ADJUSTED HS4524 ___________________________________________________________________ HS4524 EPOCH DATE - 1998.50 HS4524 X - -2,573,959.957 (meters) COMP HS4524 Y - -4,382,267.519 (meters) COMP HS4524 Z - 3,840,830.095 (meters) COMP HS4524 LAPLACE CORR- 2.13 (seconds) DEFLEC99 HS4524 ELLIP HEIGHT- 23.77 (meters) (04/06/00) GPS OBS HS4524 GEOID HEIGHT- -31.94 (meters) GEOID99 HS4524 DYNAMIC HT - 55.713 (meters) 182.79 (feet) COMP HS4524 MODELED GRAV- 979,878.3 (mgal) NAVD 88 HS4524 HS4524 HORZ ORDER - A HS4524 VERT ORDER - FIRST CLASS II HS4524 ELLP ORDER - THIRD CLASS I HS4524 HS4524.ITRF positions are available for this station. HS4524.The horizontal coordinates were established by GPS observations HS4524.and adjusted by the National Geodetic Survey in April 2000. HS4524.This is a SPECIAL STATUS position. See SPECIAL STATUS under the HS4524.DATUM ITEM on the data sheet items page. HS4524.The horizontal coordinates are valid at the epoch date displayed above. HS4524.The epoch date for horizontal control is a decimal equivalence HS4524.of Year/Month/Day. HS4524 HS4524.The orthometric height was determined by differential leveling HS4524.and adjusted by the National Geodetic Survey in June 1991. HS4524 HS4524.The X, Y, and Z were computed from the position and the ellipsoidal ht. HS4524 HS4524.The Laplace correction was computed from DEFLEC99 derived deflections. HS4524 HS4524.The ellipsoidal height was determined by GPS observations HS4524.and is referenced to NAD 83. HS4524 HS4524.The geoid height was determined by GEOID99. HS4524 HS4524.The dynamic height is computed by dividing the NAVD 88 HS4524.geopotential number by the normal gravity value computed on the HS4524.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HS4524.degrees latitude (g = 980.6199 gals.). HS4524 HS4524.The modeled gravity was interpolated from observed gravity values. HS4524 HS4524; North East Units Scale Converg. HS4524;SPC CA 3 - 584,872.662 2,006,369.681 MT 0.99996497 +0 02 38.3 HS4524;SPC CA 3 - 1,918,869.73 6,582,564.53 sFT 0.99996497 +0 02 38.3 HS4524;UTM 10 - 4,127,340.380 728,054.609 MT 1.00024071 +1 33 28.4 HS4524 HS4524 SUPERSEDED SURVEY CONTROL HS4524 HS4524 NAD 83(1992)- 37 15 53.01580(N) 120 25 41.47214(W) AD(1991.35) 1 HS4524 ELLIP HT - 23.86 (m) (10/14/94) GP(1991.35) 4 2 HS4524 HS4524.Superseded values are not recommended for survey control. HS4524.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HS4524.See file dsdata.txt to determine how the superseded data were derived. HS4524 HS4524_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGG2805527340(NAD 83) HS4524_MARKER: I = METAL ROD HS4524_SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) HS4524_STAMPING: D 1420 1988 HS4524_MARK LOGO: NGS HS4524_PROJECTION: FLUSH HS4524_MAGNETIC: I = MARKER IS A STEEL ROD HS4524_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HS4524_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HS4524+SATELLITE: SATELLITE OBSERVATIONS - January 14, 2003 HS4524_ROD/PIPE-DEPTH: 8.5 meters HS4524 HS4524 HISTORY - Date Condition Report By HS4524 HISTORY - 1988 MONUMENTED NGS HS4524 HISTORY - 19931228 GOOD CADT HS4524 HISTORY - 19980501 GOOD CADT HS4524 HISTORY - 20030114 GOOD CONDOR HS4524 HS4524 STATION DESCRIPTION HS4524 HS4524'DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 HS4524'6.3 KM (3.90 MI) SE FROM MERCED. HS4524'6.3 KM (3.90 MI) SOUTHEAST ALONG STATE HIGHWAY 99 FROM THE HS4524'INTERSECTION OF STATE HIGHWAY 59 (J STREET) IN MERCED, 10.0 M (32.8 HS4524'FT) NORTHWEST OF THE CENTERLINE OF VASSAR AVENUE, 9.0 M (29.5 FT) HS4524'NORTHEAST OF THE NORTHWESTBOUND HIGHWAY CENTERLINE, 2.1 M (6.9 FT) HS4524'EAST OF THE SOUTHEAST END OF A BRIDGE OVER MILES CREEK, 4.8 M (15.7 HS4524'FT) NORTHWEST OF THE EAST END OF A GUARD RAIL, 0.48 M (1.6 FT) HS4524'SOUTHEAST OF A WINGWALL. NOTE--ACCESS TO DATUM POINT IS HAD THROUGH HS4524'A 5-INCH LOGO CAP. HS4524'THE MARK IS 0.39 METERS W FROM A WITNESS POST HS4524'THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. HS4524 HS4524 STATION RECOVERY (1993) HS4524 HS4524'RECOVERY NOTE BY CALTRANS 1993 (DBS) HS4524'THE STATION WAS RECOVERED. A COMPLETE NEW DESCRIPTION FOLLOWS. HS4524' HS4524'THE STATION IS LOCATED AT THE INTERSECTION OF STATE HIGHWAY 99 AND HS4524'VASSAR ROAD, ABOUT 4 MI (6.4 KM) SOUTHEAST OF MERCED. HS4524' HS4524'TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAY 99 AND STATE HS4524'HIGHWAY 140 (EAST) IN MERCED, GO SOUTH ON HIGHWAY 99 FOR 4.4 MI (7.1 HS4524'KM) TO A SIDE ROAD LEFT, MARIPOSA WAY. MAKE A U-TURN AND GO NORTH ON HS4524'HIGHWAY 99 FOR 1.4 MI (2.3 KM) TO A SIDE ROAD RIGHT, VASSAR AVENUE, HS4524'AND THE STATION ON THE RIGHT IN THE NORTHEAST CORNER OF THE HS4524'INTERSECTION AT POST MILE 10.83. HS4524' HS4524'THE STATION IS A STAINLESS STEEL ROD ENCASED IN PVC PIPE WITH ACCESS HS4524'COVER SET IN CONCRETE FLUSH WITH THE GROUND. THE DATUM POINT IS A HS4524'PUNCH MARK IN THE TOP OF THE ROD. IT IS 32.0 FT (9.8 M) NORTHWEST OF HS4524'THE CENTERLINE OF VASSAR AVENUE, 12.7 FT (3.9 M) NORTHWEST OF A HS4524'TELEPHONE SPLICE BOX, 6.8 FT (2.1 M) EAST OF THE SOUTHEAST CORNER OF HS4524'THE EAST BRIDGE RAIL OF THE BRIDGE OVER MILES CREEK (NO. 39-07R), 1.6 HS4524'FT (0.5 M) SOUTH OF THE SOUTH FACE OF THE SOUTHEAST WING WALL OF THE HS4524'BRIDGE, 1.2 FT (0.4 M) WEST OF A CARSONITE WITNESS POST, AND LEVEL HS4524'WITH THE HIGHWAY. HS4524' HS4524'THE STATION WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION HS4524'SURVEY. THE STATION IS LOCATED WITHIN THE CALIFORNIA DEPARTMENT OF HS4524'TRANSPORTATION (CALTRANS) HIGHWAY RIGHT-OF-WAY. USERS MUST OBTAIN AN HS4524'ENCROACHMENT PERMIT FROM CALTRANS BEFORE USING THE STATION. TO OBTAIN HS4524'AN ENCROACHMENT PERMIT, CONTACT THE DISTRICT PERMITS OFFICE IN HS4524'STOCKTON AT (209) 948-7891. HS4524 HS4524 STATION RECOVERY (1998) HS4524 HS4524'RECOVERY NOTE BY CALTRANS 1998 (JDD) HS4524'RECOVERED AS DESCRIBED. HS4524 HS4524 STATION RECOVERY (2003) HS4524 HS4524'RECOVERY NOTE BY CONDOR TECHNOLOGIES 2003 (DLS) HS4524'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 HS4523 *********************************************************************** HS4523 DESIGNATION - E 1420 HS4523 PID - HS4523 HS4523 STATE/COUNTY- CA/MERCED HS4523 USGS QUAD - MERCED (1987) HS4523 HS4523 *CURRENT SURVEY CONTROL HS4523 ___________________________________________________________________ HS4523* NAD 83(1986)- 37 17 18. (N) 120 28 36. (W) SCALED HS4523* NAVD 88 - 50.985 (meters) 167.27 (feet) ADJUSTED HS4523 ___________________________________________________________________ HS4523 GEOID HEIGHT- -31.91 (meters) GEOID99 HS4523 DYNAMIC HT - 50.947 (meters) 167.15 (feet) COMP HS4523 MODELED GRAV- 979,886.2 (mgal) NAVD 88 HS4523 HS4523 VERT ORDER - FIRST CLASS II HS4523 HS4523.The horizontal coordinates were scaled from a topographic map and have HS4523.an estimated accuracy of +/- 6 seconds. HS4523 HS4523.The orthometric height was determined by differential leveling HS4523.and adjusted by the National Geodetic Survey in June 1991. HS4523 HS4523.The geoid height was determined by GEOID99. HS4523 HS4523.The dynamic height is computed by dividing the NAVD 88 HS4523.geopotential number by the normal gravity value computed on the HS4523.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HS4523.degrees latitude (g = 980.6199 gals.). HS4523 HS4523.The modeled gravity was interpolated from observed gravity values. HS4523 HS4523; North East Units Estimated Accuracy HS4523;SPC CA 3 - 587,490. 2,002,070. MT (+/- 180 meters Scaled) HS4523 HS4523 SUPERSEDED SURVEY CONTROL HS4523 HS4523.No superseded survey control is available for this station. HS4523 HS4523_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGG236298(NAD 83) HS4523_MARKER: I = METAL ROD HS4523_SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) HS4523_STAMPING: E 1420 1988 HS4523_MARK LOGO: NGS HS4523_PROJECTION: FLUSH HS4523_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HS4523_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HS4523+SATELLITE: SATELLITE OBSERVATIONS - January 14, 2003 HS4523_ROD/PIPE-DEPTH: 3.1 meters HS4523 HS4523 HISTORY - Date Condition Report By HS4523 HISTORY - 1988 MONUMENTED NGS HS4523 HISTORY - 20030114 GOOD CONDOR HS4523 HS4523 STATION DESCRIPTION HS4523 HS4523'DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 HS4523'IN MERCED. HS4523'IN MERCED, IN THE NORTHWEST CORNER OF THE T-JUNCTION OF EAST CHILDS HS4523'AVENUE AND D STREET, 12.0 M (39.4 FT) NORTH OF THE AVENUE CENTERLINE, HS4523'9.8 M (32.2 FT) WEST OF THE STREET CENTER, 2.9 M (9.5 FT) NORTHEAST HS4523'OF A CHAIN LINK FENCE CORNER, 0.45 M (1.5 FT) EAST OF THE FENCE. HS4523'NOTE--ACCESS TO DATUM POINT IS HAD THROUGH A 5-INCH LOGO CAP. HS4523'THE MARK IS 0.27 METERS SW FROM A WITNESS POST HS4523'THE MARK IS 0.4 M ABOVE THE AVENUE. HS4523 HS4523 STATION RECOVERY (2003) HS4523 HS4523'RECOVERY NOTE BY CONDOR TECHNOLOGIES 2003 (DLS) HS4523'RECOVERED IN GOOD CONDITION.