AW5601 ***********************************************************************
AW5601  DESIGNATION -  L 1503
AW5601  PID         -  AW5601
AW5601  STATE/COUNTY-  TX/HARRIS
AW5601  USGS QUAD   -  LEAGUE CITY (1982)
AW5601
AW5601                         *CURRENT SURVEY CONTROL
AW5601  ___________________________________________________________________
AW5601* NAD 83(1986)-  29 33 36.     (N)    095 04 25.     (W)     SCALED
AW5601* NAVD 88     -         2.351  (meters)       7.71   (feet)  ADJUSTED
AW5601  ___________________________________________________________________
AW5601  GEOID HEIGHT-         -26.96  (meters)                     GEOID99
AW5601  DYNAMIC HT  -           2.348 (meters)       7.70  (feet)  COMP
AW5601  MODELED GRAV-     979,273.7   (mgal)                       NAVD 88
AW5601
AW5601  VERT ORDER  -  FIRST     CLASS II
AW5601
AW5601.The horizontal coordinates were scaled from a topographic map and have
AW5601.an estimated accuracy of +/- 6 seconds.
AW5601
AW5601.The orthometric height was determined by differential leveling
AW5601.and adjusted by the National Geodetic Survey in June 1991.
AW5601
AW5601.The geoid height was determined by GEOID99.
AW5601
AW5601.The dynamic height is computed by dividing the NAVD 88
AW5601.geopotential number by the normal gravity value computed on the
AW5601.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
AW5601.degrees latitude (G = 980.6199 gals.).
AW5601
AW5601.The modeled gravity was interpolated from observed gravity values.
AW5601
AW5601;                    North         East    Units  Estimated Accuracy
AW5601;SPC TXSC     - 4,197,750.      980,380.      MT  (+/- 180 meters Scaled)
AW5601
AW5601                          SUPERSEDED SURVEY CONTROL
AW5601
AW5601  NGVD 29     -         2.348  (m)            7.70   (f) ADJUSTED    1 2
AW5601
AW5601.Superseded values are not recommended for survey control.
AW5601.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AW5601.See file dsdata.txt to determine how the superseded data were derived.
AW5601
AW5601_MARKER: I = METAL ROD
AW5601_SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+)
AW5601_STAMPING: L 1503 1987
AW5601_PROJECTION: FLUSH
AW5601_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
AW5601_ROD/PIPE-DEPTH: 6.2  meters
AW5601
AW5601  HISTORY     - Date     Condition        Recov. By
AW5601  HISTORY     - 1987     MONUMENTED       NGS
AW5601  HISTORY     - 19931122 GOOD             USPSQD
AW5601
AW5601                          STATION DESCRIPTION
AW5601
AW5601''DESCRIBED BY NATIONAL GEODETIC SURVEY 1987
AW5601''5.6 KM (3.5 MI) WEST FROM SEABROOK.
AW5601''5.6 KM (3.5 MI) WEST ALONG NASA 1 ROAD FROM THE JUNCTION OF STATE
AW5601''HIGHWAY 146 AT SEABROOK TO THE JUNCTION OF A ROAD LEADING TO A LUNAR
AW5601''AND PLANETARY INSTITUTE AT 3303 NASA 1 ROAD AND THE MARK ON THE RIGHT,
AW5601''18.84 METERS (61.8 FT) NORTHWEST OF THE CENTERLINE OF THE WESTBOUND
AW5601''LANE OF NASA 1 ROAD, 7.77 METERS (25.5 FT) NORTHEAST OF THE CENTER OF
AW5601''A CONCRETE CURB IN THE MEDIAN OF THE ENTRANCE AND EXIT TO INSTITUTE,
AW5601''1.61 METERS (5.3 FT) SOUTH-SOUTHWEST OF A UTILITY POLE WITH A STRE
AW5601''LAMP.  NOTE--ACCESS TO DATUM POINT IS HAD THROUGH A 5-INCH LOGO CAP.
AW5601''THE MARK IS ABOVE LEVEL WITH NASA 1 ROAD.
AW5601
AW5601                          STATION RECOVERY (1993)
AW5601
AW5601''RECOVERY NOTE BY US POWER SQUADRON 1993
AW5601''RECOVERED IN GOOD CONDITION.