The NGS Data Sheet See file dsdata.pdf for more information about the datasheet. PROGRAM = datasheet95, VERSION = 8.12.4.1 1 National Geodetic Survey, Retrieval Date = MAY 2, 2018 JT9545 *********************************************************************** JT9545 DESIGNATION - M 1393 JT9545 PID - JT9545 JT9545 STATE/COUNTY- CA/SONOMA JT9545 COUNTRY - US JT9545 USGS QUAD - SEARS POINT (1968) JT9545 JT9545 *CURRENT SURVEY CONTROL JT9545 ______________________________________________________________________ JT9545* NAD 83(2011) POSITION- 38 09 04.86527(N) 122 26 51.15043(W) ADJUSTED JT9545* NAD 83(2011) ELLIP HT- -27.714 (meters) (06/27/12) ADJUSTED JT9545* NAD 83(2011) EPOCH - 2010.00 JT9545* NAVD 88 ORTHO HEIGHT - 4.262 (meters) 13.98 (feet) ADJUSTED JT9545 ______________________________________________________________________ JT9545 GEOID HEIGHT - -31.983 (meters) GEOID12B JT9545 NAD 83(2011) X - -2,694,464.887 (meters) COMP JT9545 NAD 83(2011) Y - -4,238,020.332 (meters) COMP JT9545 NAD 83(2011) Z - 3,918,651.513 (meters) COMP JT9545 LAPLACE CORR - -3.86 (seconds) DEFLEC12B JT9545 DYNAMIC HEIGHT - 4.259 (meters) 13.97 (feet) COMP JT9545 MODELED GRAVITY - 979,996.8 (mgal) NAVD 88 JT9545 JT9545 VERT ORDER - FIRST CLASS II JT9545 JT9545 Network accuracy estimates per FGDC Geospatial Positioning Accuracy JT9545 Standards: JT9545 FGDC (95% conf, cm) Standard deviation (cm) CorrNE JT9545 Horiz Ellip SD_N SD_E SD_h (unitless) JT9545 ------------------------------------------------------------------- JT9545 NETWORK 1.00 1.25 0.45 0.36 0.64 0.07880079 JT9545 ------------------------------------------------------------------- JT9545 Click here for local accuracies and other accuracy information. JT9545 JT9545 JT9545.The horizontal coordinates were established by GPS observations JT9545.and adjusted by the National Geodetic Survey in June 2012. JT9545 JT9545.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has JT9545.been affixed to the stable North American tectonic plate. See JT9545.NA2011 for more information. JT9545 JT9545.The horizontal coordinates are valid at the epoch date displayed above JT9545.which is a decimal equivalence of Year/Month/Day. JT9545 JT9545.The orthometric height was determined by differential leveling and JT9545.adjusted by the NATIONAL GEODETIC SURVEY JT9545.in June 1991. JT9545 JT9545.Significant digits in the geoid height do not necessarily reflect accuracy. JT9545.GEOID12B height accuracy estimate available here. JT9545 JT9545.The X, Y, and Z were computed from the position and the ellipsoidal ht. JT9545 JT9545.The Laplace correction was computed from DEFLEC12B derived deflections. JT9545 JT9545.The ellipsoidal height was determined by GPS observations JT9545.and is referenced to NAD 83. JT9545 JT9545.The dynamic height is computed by dividing the NAVD 88 JT9545.geopotential number by the normal gravity value computed on the JT9545.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JT9545.degrees latitude (g = 980.6199 gals.). JT9545 JT9545.The modeled gravity was interpolated from observed gravity values. JT9545 JT9545. The following values were computed from the NAD 83(2011) position. JT9545 JT9545; North East Units Scale Factor Converg. JT9545;SPC CA 2 - 553,900.852 1,960,770.574 MT 1.00004623 -0 16 55.8 JT9545;SPC CA 2 - 1,817,256.38 6,432,961.46 sFT 1.00004623 -0 16 55.8 JT9545;UTM 10 - 4,222,752.157 548,404.677 MT 0.99962886 +0 20 28.6 JT9545 JT9545! - Elev Factor x Scale Factor = Combined Factor JT9545!SPC CA 2 - 1.00000435 x 1.00004623 = 1.00005058 JT9545!UTM 10 - 1.00000435 x 0.99962886 = 0.99963321 JT9545 JT9545_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH4840422752(NAD 83) JT9545 JT9545 SUPERSEDED SURVEY CONTROL JT9545 JT9545 NAD 83(2007)- 38 09 04.86407(N) 122 26 51.14960(W) AD(2007.00) 0 JT9545 ELLIP H (02/10/07) -27.727 (m) GP(2007.00) JT9545 NAD 83(1992)- 38 09 04.85684(N) 122 26 51.14368(W) AD(1997.30) 1 JT9545 ELLIP H (07/10/98) -27.715 (m) GP(1997.30) 4 1 JT9545 NAD 83(1992)- 38 09 04.85642(N) 122 26 51.14345(W) AD(1997.30) 1 JT9545 ELLIP H (03/20/98) -27.642 (m) GP(1997.30) 3 2 JT9545 NAVD 88 4.26 (m) 14.0 (f) LEVELING 3 JT9545 JT9545.Superseded values are not recommended for survey control. JT9545 JT9545.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JT9545.See file dsdata.pdf to determine how the superseded data were derived. JT9545 JT9545_MARKER: I = METAL ROD JT9545_SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) JT9545_STAMPING: M 1393 1987 JT9545_MARK LOGO: NGS JT9545_PROJECTION: FLUSH JT9545_MAGNETIC: N = NO MAGNETIC MATERIAL JT9545_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JT9545_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JT9545+SATELLITE: SATELLITE OBSERVATIONS - September 05, 2011 JT9545_ROD/PIPE-DEPTH: 7.2 meters JT9545 JT9545 HISTORY - Date Condition Report By JT9545 HISTORY - 1987 MONUMENTED NGS JT9545 HISTORY - 19970219 GOOD NGS JT9545 HISTORY - 20050201 GOOD INDIV JT9545 HISTORY - 20070720 GOOD DUCKS JT9545 HISTORY - 20110905 GOOD ATKNA JT9545 JT9545 STATION DESCRIPTION JT9545 JT9545'DESCRIBED BY NATIONAL GEODETIC SURVEY 1987 JT9545'22.0 KM (13.65 MI) NORTH FROM SAN RAFAEL. JT9545'10.1 KM (6.30 MI) NORTHEASTERLY ALONG U.S. HIGHWAY 101 FROM THE JT9545'JUNCTION OF SAN PEDRO ROAD IN SAN RAFAEL, THENCE 11.9 KM (7.40 MI) JT9545'NORTHEASTERLY ALONG STATE HIGHWAY 37, OR 22.3 KM (13.85 MI) WESTERLY JT9545'ALONG STATE HIGHWAY 37 FROM THE JUNCTION OF INTERSTATE 80 IN VALLEJO, JT9545'15.7 M (51.5 FT) SOUTHEAST OF THE CENTERLINE OF THE HIGHWAY, 11.3 M JT9545'(37.1 FT) EAST OF A LIGHT POLE, 5.25 M (17.2 FT) SOUTHWEST OF THE NEAR JT9545'RAIL OF THE NORTHWESTERN PACIFIC RAILROAD. NOTE--ACCESS TO DATUM JT9545'POINT IS HAD THROUGH A 5-INCH LOGO CAP. JT9545'THE MARK IS 0.4 METERS NW FROM A WITNESS POST JT9545'THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. JT9545 JT9545 STATION RECOVERY (1997) JT9545 JT9545'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1997 (JDD) JT9545'THE STATION WAS RECOVERED. IT IS ABOUT 11 MI (17.7 KM) WEST OF JT9545'VALLEJO AND ABOUT 8 MI (12.9 KM) EAST OF NOVATO ALONG STATE HIGHWAY JT9545'37. TO REACH THE STATION FROM THE INTERSECTION OF HIGHWAY 101 AND JT9545'STATE HIGHWAY 37 ABOUT I MI SOUTHEAST OF NOVATO GO NORTHEAST ON JT9545'HIGHWAY 37 FOR 3.4 MI (5.5 KM) TO THE MARIN-SONOMA COUNTY LINE OVER JT9545'THE PETALUMA RIVER. CONTINUE NORTHEAST ON HIGHWAY 37 FOR ABOUT 4.0 MI JT9545'(6.4 KM) TO THE INTERSECTION WITH STATE HIGHWAY 121 ON THE LEFT, JT9545'NORTH, AND A PAVED ROAD TO THE RIGHT, SOUTH. TURN RIGHT AND GO SOUTH JT9545'ON THE PAVED ROAD FOR ABOUT 100 FT (30.5 M) TO A T-INTERSECTION WITH A JT9545'PAVED ROAD. TURN LEFT AND GO EAST FOR ABOUT 0.1 MI (0.2 KM) TO THE JT9545'STATION ON THE LEFT. THE STATION IS ABOUT 51 FT (15.5 M) SOUTH OF THE JT9545'CENTERLINE OF HIGHWAY 37, 37.1 FT (11.3 M) EAST OF A LIGHT POLE, 20 FT JT9545'(6.1 M) SOUTH OF A RAILROAD SIGNAL, 17 FT (5.2 M) SOUTHWEST OF THE JT9545'SOUTHWEST RAIL OF THE RAILROAD, 10 FT (3.0 M) WEST OF THE END OF A JT9545'CHAIN LINK FENCE AND ABOUT 1 FT (0.3 M) NORTHWEST OF A CARSONITE JT9545'WITNESS POST. NOTE - AN ROD ADAPTOR IS REQUIRED IF USING A JT9545'FIXED-HEIGHT POLE FOR GPS OBSERVATIONS. JT9545 JT9545 STATION RECOVERY (2005) JT9545 JT9545'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2005 (SWR) JT9545'RECOVERED IN GOOD CONDITION. JT9545 JT9545 STATION RECOVERY (2007) JT9545 JT9545'RECOVERY NOTE BY DUCKS UNLIMITED 2007 (JTS) JT9545'RECOVERED IN GOOD CONDITION. JT9545 JT9545 STATION RECOVERY (2011) JT9545 JT9545'RECOVERY NOTE BY ATKINS NORTH AMERICA INC 2011 (MZ) JT9545'RECOVERED IN GOOD CONDITION. *** retrieval complete. Elapsed Time = 00:00:02