HT2913 ***********************************************************************
HT2913  DESIGNATION -  ALAMEDA NAVAL AIR STA BEACON
HT2913  PID         -  HT2913
HT2913  STATE/COUNTY-  CA/ALAMEDA
HT2913  USGS QUAD   -  OAKLAND WEST (1993)
HT2913
HT2913                         *CURRENT SURVEY CONTROL
HT2913  ___________________________________________________________________
HT2913* NAD 83(1992)-  37 47 08.57056(N)    122 18 35.35436(W)     ADJUSTED
HT2913* NAVD 88     -
HT2913  ___________________________________________________________________
HT2913  EPOCH DATE  -        1991.35
HT2913  LAPLACE CORR-           0.99  (seconds)                    DEFLEC99
HT2913  GEOID HEIGHT-         -32.36  (meters)                     GEOID99
HT2913
HT2913  HORZ ORDER  -  THIRD
HT2913
HT2913.The horizontal coordinates were established by classical geodetic methods
HT2913.and adjusted by the National Geodetic Survey in March 1994.
HT2913.The horizontal coordinates are valid at the epoch date displayed above.
HT2913.The epoch date for horizontal control is a decimal equivalence
HT2913.of Year/Month/Day.
HT2913
HT2913
HT2913.The Laplace correction was computed from DEFLEC99 derived deflections.
HT2913
HT2913.The geoid height was determined by GEOID99.
HT2913
HT2913;                    North         East     Units   Scale      Converg.
HT2913;SPC CA 3     - 2,113,615.10  6,038,697.77   sFT  0.99992936 -1 06 28.9
HT2913;SPC CA 3     -   644,231.170 1,840,598.763   MT  0.99992936 -1 06 28.9
HT2913;UTM  10      - 4,182,264.257   560,772.170   MT  0.99964549 +0 25 22.4
HT2913
HT2913                          SUPERSEDED SURVEY CONTROL
HT2913
HT2913  NAD 83(1986)-  37 47 08.56204(N)    122 18 35.34975(W) AD(1984.00) 4
HT2913  NAD 27      -  37 47 08.80800(N)    122 18 31.47100(W) AD(       ) 3
HT2913
HT2913.Superseded values are not recommended for survey control.
HT2913.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
HT2913.See file dsdata.txt to determine how the superseded data were derived.
HT2913
HT2913  HISTORY     - Date     Condition        Recov. By
HT2913  HISTORY     - 1953     MONUMENTED       CGS
HT2913  HISTORY     - 1963     MONUMENTED       CGS
HT2913  HISTORY     - 1965     MONUMENTED       CGS
HT2913
HT2913                          STATION DESCRIPTION
HT2913
HT2913''DESCRIBED BY COAST AND GEODETIC SURVEY 1953 (FAR)
HT2913''AT THE ALAMEDA NAVAL AIR STATION, ON THE NORTHWEST CORNER OF THE
HT2913''SOUTHERLY OF FOUR LARGE HANGARS, THE WESTERNMOST ROW OF HANGARS
HT2913''AT THE AIR STATION, ABOUT 1280 FEET NORTH OF THE CONTROL
HT2913''TOWER, AND ABOUT 80 FEET ABOVE THE GROUND ON TOP OF THE
HT2913''BUILDING.  A 36-INCH DOUBLE-DRUM TYPE ROTATING BEACON, SHOWING
HT2913''WHITE ON ONE SIDE AND GREEN ON THE OTHER.
HT2913
HT2913                          STATION RECOVERY (1963)
HT2913
HT2913''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1963 (PAW)
HT2913''THE STATION WAS RECOVERED IN GOOD CONDITION AND THE 1953
HT2913''DESCRIPTION IS ADEQUATE.
HT2913
HT2913                          STATION RECOVERY (1965)
HT2913
HT2913''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 (PAS)
HT2913''RECOVERED AS DESCRIBED BY F.A.R. IN 1953.  LIGHT LIST NO. 724
HT2913''(1964).