The NGS Data Sheet See file dsdata.pdf for more information about the datasheet. PROGRAM = datasheet95, VERSION = 8.12.5.7 Starting Datasheet Retrieval... 1 National Geodetic Survey, Retrieval Date = MAY 15, 2020 HS2787 *********************************************************************** HS2787 CBN - This is a Cooperative Base Network Control Station. HS2787 DESIGNATION - QQ 453 HS2787 PID - HS2787 HS2787 STATE/COUNTY- CA/SANTA CLARA HS2787 COUNTRY - US HS2787 USGS QUAD - SAN JOSE EAST (2018) HS2787 HS2787 *CURRENT SURVEY CONTROL HS2787 ______________________________________________________________________ HS2787* NAD 83(2011) POSITION- 37 15 23.14295(N) 121 48 16.27003(W) ADJUSTED HS2787* NAD 83(2011) ELLIP HT- 25.676 (meters) (06/27/12) ADJUSTED HS2787* NAD 83(2011) EPOCH - 2010.00 HS2787* NAVD 88 ORTHO HEIGHT - 58.166 (meters) 190.83 (feet) ADJUSTED HS2787 ______________________________________________________________________ HS2787 GEOID HEIGHT - -32.487 (meters) GEOID18 HS2787 NAD 83(2011) X - -2,678,770.640 (meters) COMP HS2787 NAD 83(2011) Y - -4,319,653.910 (meters) COMP HS2787 NAD 83(2011) Z - 3,840,098.237 (meters) COMP HS2787 LAPLACE CORR - 2.17 (seconds) DEFLEC18 HS2787 DYNAMIC HEIGHT - 58.123 (meters) 190.69 (feet) COMP HS2787 MODELED GRAVITY - 979,894.4 (mgal) NAVD 88 HS2787 HS2787 VERT ORDER - FIRST CLASS II HS2787 HS2787 Network accuracy estimates per FGDC Geospatial Positioning Accuracy HS2787 Standards: HS2787 FGDC (95% conf, cm) Standard deviation (cm) CorrNE HS2787 Horiz Ellip SD_N SD_E SD_h (unitless) HS2787 ------------------------------------------------------------------- HS2787 NETWORK 0.38 0.76 0.17 0.14 0.39 -0.11047590 HS2787 ------------------------------------------------------------------- HS2787 Click here for local accuracies and other accuracy information. HS2787 HS2787 HS2787.The horizontal coordinates were established by GPS observations HS2787.and adjusted by the National Geodetic Survey in June 2012. HS2787 HS2787.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has HS2787.been affixed to the stable North American tectonic plate. See HS2787.NA2011 for more information. HS2787 HS2787.The horizontal coordinates are valid at the epoch date displayed above HS2787.which is a decimal equivalence of Year/Month/Day. HS2787 HS2787.The orthometric height was determined by differential leveling and HS2787.adjusted by the NATIONAL GEODETIC SURVEY HS2787.in February 1993. HS2787 HS2787.Significant digits in the geoid height do not necessarily reflect accuracy. HS2787.GEOID18 height accuracy estimate available here. HS2787 HS2787.Click photographs - Photos may exist for this station. HS2787 HS2787.The X, Y, and Z were computed from the position and the ellipsoidal ht. HS2787 HS2787.The Laplace correction was computed from DEFLEC18 derived deflections. HS2787 HS2787.The ellipsoidal height was determined by GPS observations HS2787.and is referenced to NAD 83. HS2787 HS2787.The dynamic height is computed by dividing the NAVD 88 HS2787.geopotential number by the normal gravity value computed on the HS2787.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HS2787.degrees latitude (g = 980.6199 gals.). HS2787 HS2787.The modeled gravity was interpolated from observed gravity values. HS2787 HS2787. The following values were computed from the NAD 83(2011) position. HS2787 HS2787; North East Units Scale Factor Converg. HS2787;SPC CA 3 - 584,755.795 1,884,281.302 MT 0.99996620 -0 47 55.2 HS2787;SPC CA 3 - 1,918,486.30 6,182,012.90 sFT 0.99996620 -0 47 55.2 HS2787;UTM 10 - 4,123,989.045 606,012.965 MT 0.99973844 +0 43 25.6 HS2787 HS2787! - Elev Factor x Scale Factor = Combined Factor HS2787!SPC CA 3 - 0.99999597 x 0.99996620 = 0.99996217 HS2787!UTM 10 - 0.99999597 x 0.99973844 = 0.99973441 HS2787 HS2787_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFG0601223989(NAD 83) HS2787 HS2787 SUPERSEDED SURVEY CONTROL HS2787 HS2787 NAD 83(2007)- 37 15 23.13949(N) 121 48 16.26852(W) AD(2007.00) 0 HS2787 ELLIP H (02/10/07) 25.689 (m) GP(2007.00) HS2787 NAD 83(1998)- 37 15 23.13362(N) 121 48 16.26151(W) AD(1998.50) A HS2787 ELLIP H (04/06/00) 25.718 (m) GP(1998.50) 3 1 HS2787 NAD 83(1992)- 37 15 23.12759(N) 121 48 16.25450(W) AD(1991.35) 1 HS2787 ELLIP H (09/30/94) 25.787 (m) GP(1991.35) 4 2 HS2787 NAVD 88 58.17 (m) 190.8 (f) LEVELING 3 HS2787 NAVD 88 (06/15/91) 58.202 (m) 190.95 (f) SUPERSEDED 1 2 HS2787 NGVD 29 (10/21/93) 57.313 (m) 188.03 (f) ADJUSTED 1 2 HS2787 NGVD 29 (??/??/92) 57.389 (m) 188.28 (f) SUPERSEDED 1 2 HS2787 HS2787.Superseded values are not recommended for survey control. HS2787 HS2787.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HS2787.See file dsdata.pdf to determine how the superseded data were derived. HS2787 HS2787_MARKER: DB = BENCH MARK DISK HS2787_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HS2787_STAMPING: QQ 453 HS2787_MARK LOGO: NGS HS2787_PROJECTION: FLUSH HS2787_MAGNETIC: N = NO MAGNETIC MATERIAL HS2787_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HS2787+STABILITY: SURFACE MOTION HS2787_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HS2787+SATELLITE: SATELLITE OBSERVATIONS - October 22, 2006 HS2787 HS2787 HISTORY - Date Condition Report By HS2787 HISTORY - 1954 MONUMENTED CGS HS2787 HISTORY - 1967 GOOD CGS HS2787 HISTORY - 1969 GOOD CGS HS2787 HISTORY - 19870124 GOOD USPSQD HS2787 HISTORY - 19881118 GOOD NGS HS2787 HISTORY - 19900202 GOOD NGS HS2787 HISTORY - 19921023 GOOD CA-085 HS2787 HISTORY - 19980715 GOOD CA-085 HS2787 HISTORY - 20010306 GOOD NGS HS2787 HISTORY - 20010313 GOOD NGS HS2787 HISTORY - 20030314 GOOD NGS HS2787 HISTORY - 20061022 GOOD GEOCAC HS2787 HS2787 STATION DESCRIPTION HS2787 HS2787'DESCRIBED BY COAST AND GEODETIC SURVEY 1967 HS2787'4.7 MI NW FROM COYOTE. HS2787'4.7 MILES NORTHWEST ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD HS2787'FROM THE STATION AT COYOTE, 0.35 MILE (11POLES) NORTHWEST OF HS2787'MILEPOLE 59, 276 FEET NORTHWEST OF THE CENTER OF THE CROSSING OF HS2787'COTTLE ROAD, 17.8 FEET SOUTHWEST OF THE SOUTHWEST RAIL, 19 1/2 HS2787'FEET NORTHEAST OF THE CENTER LINE OF HAYES AVENUE, 5 FEET EAST OF HS2787'POWER POLE LC-09450-1 WITH FOUR GUY WIRES, 1.0 FOOT NORTHWEST OF HS2787'A WITNESS POST, ABOUT 1 1/2 FEET LOWER THAN THE TRACK, AND SET IN HS2787'THE TOP OF A CONCRETE POST 0.2 FOOT UNDERGROUND. HS2787 HS2787 STATION RECOVERY (1969) HS2787 HS2787'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1969 HS2787'RECOVERED IN GOOD CONDITION. HS2787 HS2787 STATION RECOVERY (1987) HS2787 HS2787'RECOVERY NOTE BY US POWER SQUADRON 1987 (CLM) HS2787'RECOVERED IN GOOD CONDITION. HS2787 HS2787 STATION RECOVERY (1988) HS2787 HS2787'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 HS2787'RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. 0.2 KM HS2787'(0.10 MI) NORTHWESTERLY ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE HS2787'JUNCTION OF BLOSSOM HILL ROAD IN SAN JOSE, 5.9 M (19.4 FT) NORTHEAST HS2787'OF THE CENTERLINE OF HAYES AVENUE, 5.4 M (17.7 FT) SOUTHWEST OF THE HS2787'NEAR RAIL, 2.0 M (6.6 FT) EAST OF A UTILITY POLE, 0.5 M (1.6 FT) BELOW HS2787'THE LEVEL OF THE TRACKS, 0.4 M (1.3 FT) NORTHWEST OF A WITNESS POST, HS2787'AND IN A CONCRETE MONUMENT THAT IS RECESSED 0.015 M (0.0 FT) BELOW THE HS2787'GROUND SURFACE. HS2787 HS2787 STATION RECOVERY (1990) HS2787 HS2787'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1990 HS2787'RECOVERED IN GOOD CONDITION. HS2787 HS2787 STATION RECOVERY (1992) HS2787 HS2787'RECOVERY NOTE BY SANTA CLARA COUNTY CALIFORNIA 1992 (JLP) HS2787'THE STATION WAS RECOVERED. A COMPLETE NEW DESCRIPTION FOLLOWS. HS2787' HS2787'THE STATION IS LOCATED IN THE CITY OF SAN JOSE, NEAR THE JUNCTION OF HS2787'U.S. HIGHWAY 101 AND BLOSSOM HILL ROAD (STATE HIGHWAY 82). HS2787' HS2787'TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 101 AND HS2787'INTERSTATE HIGHWAY 880 IN THE CITY OF SAN JOSE, GO SOUTH ON U.S. HS2787'HIGHWAY 101 FOR 9.8 MI (15.8 KM) TO THE BLOSSOM HILL ROAD EXIT. TAKE HS2787'THE OFF-RAMP SOUTH TO BLOSSOM HILL ROAD. TURN RIGHT AND GO WEST ON HS2787'BLOSSOM HILL ROAD, OVER THE RAILROAD OVERPASS, FOR 0.3 MI (0.5 KM) TO HS2787'THE COTTLE ROAD EXIT ON THE RIGHT. BEAR RIGHT ON THE COTTLE ROAD EXIT HS2787'AND GO NORTHWESTERLY AND NORTHEASTERLY ON THE RAMP FOR 0.15 MI (0.24 HS2787'KM) TO HAYES AVENUE ON THE LEFT. TURN LEFT AND GO NORTH AND NORTHWEST HS2787'ON HAYES AVENUE FOR 0.05 MI (0.08 KM) TO THE STATION ON THE RIGHT HS2787'(NORTHEAST) SIDE OF THE ROAD. HS2787' HS2787'THE STATION IS A STANDARD BENCH MARK DISK SET IN THE TOP OF A CONCRETE HS2787'MONUMENT, 129.2 FT (39.4 M) NORTHWEST OF A LIGHT STANDARD, 50.8 FT HS2787'(15.5 M) SOUTHEAST OF A POWER POLE WITH TRANSFORMER, 20.3 FT (6.2 M) HS2787'NORTHEAST OF THE CENTERLINE OF HAYES AVENUE, 17.7 FT (5.4 M) SOUTHWEST HS2787'OF THE SOUTHWEST RAIL OF THE RAILROAD TRACKS, 7.6 FT (2.3 M) NORTHEAST HS2787'OF A 2 INCH BRASS DISK SET IN THE TOP OF CURB OF HAYES AVENUE STAMPED HS2787'REF MK 7 FT., (2.1 M) 2.1 FT (0.6 M) NORTHEAST OF A METAL WITNESS HS2787'POST, ABOUT 1.5 FT (0.5 M) BELOW THE LEVEL OF THE TRACKS AND 0.5 FT HS2787'(0.2 M) BELOW THE SURFACE. HS2787' HS2787'THIS STATION WAS OCCUPIED AS PART OF A CALIFORNIA HIGH PRECISION HS2787'GEODETIC NETWORK (HPGN) DENSIFICATION SURVEY. HS2787 HS2787 STATION RECOVERY (1998) HS2787 HS2787'RECOVERY NOTE BY SANTA CLARA COUNTY CALIFORNIA 1998 (MDM) HS2787'RECOVERED AS DESCRIBED. HS2787 HS2787 STATION RECOVERY (2001) HS2787 HS2787'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (KRN) HS2787'RECOVERED AS DESCRIBED. HS2787' HS2787 HS2787 STATION RECOVERY (2001) HS2787 HS2787'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (KRN) HS2787'RECOVERED AS DESCRIBED. HS2787' HS2787 HS2787 STATION RECOVERY (2003) HS2787 HS2787'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2003 (AJL) HS2787'RECOVERED AS DESCRIBED. HS2787' HS2787 HS2787 STATION RECOVERY (2006) HS2787 HS2787'RECOVERY NOTE BY GEOCACHING 2006 (LS) HS2787'RECOVERED IN GOOD CONDITION. *** retrieval complete. Elapsed Time = 00:00:02