KU3940 ***********************************************************************
KU3940  DESIGNATION -  JEFFREYS HOOK LIGHTHOUSE
KU3940  PID         -  KU3940
KU3940  STATE/COUNTY-  NY/NEW YORK
KU3940  USGS QUAD   -  CENTRAL PARK (1979)
KU3940
KU3940                         *CURRENT SURVEY CONTROL
KU3940  ___________________________________________________________________
KU3940* NAD 83(1996)-  40 51 00.88343(N)    073 56 49.05224(W)     ADJUSTED
KU3940* NAVD 88     -         5.     (meters)      16.     (feet)  SCALED
KU3940  ___________________________________________________________________
KU3940  LAPLACE CORR-           6.10  (seconds)                    DEFLEC99
KU3940  GEOID HEIGHT-         -31.51  (meters)                     GEOID99
KU3940
KU3940  HORZ ORDER  -  THIRD
KU3940
KU3940.The horizontal coordinates were established by classical geodetic methods
KU3940.and adjusted by the National Geodetic Survey in January 1999.
KU3940
KU3940.The orthometric height was scaled from a topographic map.
KU3940
KU3940.The Laplace correction was computed from DEFLEC99 derived deflections.
KU3940
KU3940.The geoid height was determined by GEOID99.
KU3940
KU3940;                    North         East     Units   Scale      Converg.
KU3940;SPC NY E     -   224,065.814   196,630.809   MT  0.99992675 +0 21 42.3
KU3940;SPC NJ       -   224,065.814   196,630.809   MT  0.99992675 +0 21 42.3
KU3940;UTM  18      - 4,522,666.660   588,763.242   MT  0.99969697 +0 41 19.8
KU3940
KU3940:                Primary Azimuth Mark                     Grid Az
KU3940:SPC NY E     -  MANHATTAN DEAF DUMB INST CUP             169 04 43.8
KU3940:SPC NJ       -  MANHATTAN DEAF DUMB INST CUP             169 04 43.8
KU3940:UTM  18      -  MANHATTAN DEAF DUMB INST CUP             168 45 06.3
KU3940
KU3940|---------------------------------------------------------------------|
KU3940| PID    Reference Object                     Distance      Geod. Az  |
KU3940|                                                           dddmmss.s |
KU3940| KU3938 FORT WASHINGTON POINT USE            36.772 METERS 05824     |
KU3940| KU3932 MANHATTAN DEAF DUMB INST CUP        APPROX. 1.1 KM 1692626.1 |
KU3940| KU3888 PALISADES PORT OF NY AUTH FLAG      APPROX. 1.2 KM 2833419.1 |
KU3940|---------------------------------------------------------------------|
KU3940
KU3940                          SUPERSEDED SURVEY CONTROL
KU3940
KU3940  NAD 83(1996)-  40 51 00.88334(N)    073 56 49.05325(W) AD(       ) 3
KU3940  NAD 83(1992)-  40 51 00.88154(N)    073 56 49.05394(W) AD(       ) 3
KU3940  NAD 83(1986)-  40 51 00.88691(N)    073 56 49.05150(W) AD(       ) 3
KU3940  NAD 27      -  40 51 00.52300(N)    073 56 50.56200(W) AD(       ) 3
KU3940
KU3940.Superseded values are not recommended for survey control.
KU3940.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
KU3940.See file dsdata.txt to determine how the superseded data were derived.
KU3940
KU3940_MARKER: 13 = LIGHTHOUSE
KU3940
KU3940  HISTORY     - Date     Condition        Recov. By
KU3940  HISTORY     - 1930     FIRST OBSERVED   CGS
KU3940  HISTORY     - 1932     GOOD             CGS
KU3940  HISTORY     - 1933     GOOD             CGS
KU3940
KU3940                          STATION DESCRIPTION
KU3940
KU3940''DESCRIBED BY COAST AND GEODETIC SURVEY 1930 (CAE)
KU3940''STATION IS THE FLASHING RED LIGHT OF THE U.S. LIGHTHOUSE
KU3940''DEPARTMENT, ON FORT WASHINGTON POINT, HUDSON RIVER, CLOSE TO THE E
KU3940''PIER OF THE HUDSON RIVER SUSPENSION BRIDGE.
KU3940''
KU3940''NOT MARKED AND NO REFERENCE MARKS NEEDED.
KU3940
KU3940                          STATION RECOVERY (1932)
KU3940
KU3940''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1932 (RWW)
KU3940''STATION RECOVERED IN GOOD CONDITION, RENAMED JEFFREYS HOOK LIGHTHOUSE.
KU3940''
KU3940''THIS STATION IS ON THE E BANK OF THE HUDSON RIVER, ON FORT
KU3940''WASHINGTON POINT, JUST S OF THE GEORGE WASHINGTON BRIDGE.  IT IS
KU3940''LOCATED ATOP THE LIGHTHOUSE (A CONICAL, RED BRICK TOWER
KU3940''SURMOUNTED BY THE USUAL CONICAL-TOP, BLACK, IRON AND GLASS CUPOLA).
KU3940''
KU3940''STATION IS THE CUPOLAS BALL-APEX, 61 FEET ABOVE HIGH WATER.  A
KU3940''STANDARD U.S.E. BRASS PLUG LOCATED NE OF THE STATION, WAS TIED IN
KU3940''AS A REFERENCE MARK.  AN ECCENTRIC GROUND SET-UP WAS USED,
KU3940''DISTANCE TO CENTER BEING DERIVED AS THE COMPUTED SIDE-LENGTH OF AN
KU3940''INTERSECTION TRIANGLE OBTAINED BY OBSERVATION FROM A MEASURED BASE.
KU3940
KU3940                          STATION RECOVERY (1933)
KU3940
KU3940''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1933 (RWW)
KU3940''RECOVERED IN GOOD CONDITION AS DESCRIBED IN THE 1932 RECOVERY
KU3940''NOTE, WITH THE FOLLOWING EXCEPTION--
KU3940''
KU3940''THIS LIGHTHOUSE IS A CONICAL, SHEET STEEL STRUCTURE PAINTED RED.