














                                  SURVEY CONTROL DATA
                                
                             STATE=SN
                             [MAY 10, 2024 21:13:1]
                              Version = 8.12.5.18
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:13:15 EDT
 AB9292 ***********************************************************************
 AB9292  DESIGNATION -  KT 8
 AB9292  PID         -  AB9292
 AB9292  STATE/COUNTY-  SN/PARISH OF ST KITTS AND NEVIS
 AB9292  COUNTRY     -  ST KITTS AND NEVIS
 AB9292  USGS QUAD   -  
 AB9292
 AB9292                         *CURRENT SURVEY CONTROL
 AB9292  ______________________________________________________________________
 AB9292* NAD 83(2011) POSITION- 17 17 58.85963(N) 062 41 43.82799(W)   NO CHECK
 AB9292* NAD 83(2011) ELLIP HT-    85.245 (meters)        (06/27/12)   NO CHECK
 AB9292* NAD 83(2011) EPOCH   -  2010.00
 AB9292* LMSL    ORTHO HEIGHT -   124.    (meters)      407.    (feet) GPS OBS
 AB9292  ______________________________________________________________________
 AB9292  LMSL orthometric height was determined with geoid model       EGM96
 AB9292  GEOID HEIGHT    -        -41.796 (meters)                     EGM96
 AB9292  GEOID HEIGHT    -        -41.648 (meters)                     EGM08
 AB9292  NAD 83(2011) X  -  2,794,283.708 (meters)                     COMP
 AB9292  NAD 83(2011) Y  - -5,412,784.191 (meters)                     COMP
 AB9292  NAD 83(2011) Z  -  1,884,550.258 (meters)                     COMP
 AB9292  LAPLACE CORR    -         -0.11  (seconds)                    DCAR97
 AB9292
 AB9292  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 AB9292  Standards:
 AB9292         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 AB9292            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 AB9292  -------------------------------------------------------------------
 AB9292  NETWORK    5.30   5.45           0.68   2.68   2.78     -0.16776440
 AB9292  -------------------------------------------------------------------
 AB9292  Click here for local accuracies and other accuracy information.
 AB9292
 AB9292.The horizontal coordinates were established by GPS observations
 AB9292.and adjusted by the National Geodetic Survey in June 2012.
 AB9292
 AB9292.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has 
 AB9292.been affixed to the stable North American tectonic plate. See 
 AB9292.www.ngs.noaa.gov/web/surveys/NA2011 for more information. 
 AB9292
 AB9292.The horizontal coordinates are valid at the epoch date displayed above
 AB9292.which is a decimal equivalence of Year/Month/Day.
 AB9292
 AB9292.No horizontal observational check was made to the station.
 AB9292
 AB9292.The orthometric height was determined by GPS observations and a
 AB9292.high-resolution geoid model.
 AB9292
 AB9292.No vertical observational check was made to the station.
 AB9292
 AB9292.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9292
 AB9292.Click photographs - Photos may exist for this station.
 AB9292
 AB9292.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9292
 AB9292.The Laplace correction was computed from DCAR97 derived deflections.
 AB9292
 AB9292.The ellipsoidal height was determined by GPS observations
 AB9292.and is referenced to NAD 83.
 AB9292
 AB9292. The following values were computed from the NAD 83(2011) position.
 AB9292
 AB9292;                    North         East     Units Scale Factor Converg.
 AB9292;UTM  20      - 1,912,733.549   532,359.311   MT  0.99961295   +0 05 26.0
 AB9292
 AB9292!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9292!UTM  20      -   0.99998660  x   0.99961295  =   0.99959955
 AB9292
 AB9292_U.S. NATIONAL GRID SPATIAL ADDRESS: 20QNE3235912733(NAD 83)
 AB9292
 AB9292                          SUPERSEDED SURVEY CONTROL
 AB9292
 AB9292  NAD 83(2007)-  17 17 58.85862(N)    062 41 43.83299(W) AD(2002.00) 0
 AB9292  ELLIP H (02/10/07)   85.250  (m)                       GP(2002.00)    
 AB9292  NAD 83(1996)-  17 17 58.85758(N)    062 41 43.83677(W) AD(       ) 1
 AB9292  ELLIP H (12/09/96)   85.287  (m)                       GP(       ) 1 1
 AB9292
 AB9292.Superseded values are not recommended for survey control.
 AB9292
 AB9292.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 AB9292.See file dsdata.pdf to determine how the superseded data were derived.
 AB9292
 AB9292_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION
 AB9292_SETTING: 0 = UNSPECIFIED SETTING
 AB9292_STAMPING: KT 8
 AB9292_MARK LOGO: SKDS
 AB9292_MAGNETIC: O = OTHER; SEE DESCRIPTION
 AB9292_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
 AB9292_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9292+SATELLITE: SATELLITE OBSERVATIONS - March 17, 1996
 AB9292
 AB9292  HISTORY     - Date     Condition        Report By
 AB9292  HISTORY     - UNK      MONUMENTED       SKDS
 AB9292  HISTORY     - 19960317 GOOD             NGS
 AB9292
 AB9292                          STATION DESCRIPTION
 AB9292
 AB9292'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9292'THE STATION IS LOCATED IN THE COUNTRY OF ST.  KITTS, ABOUT 1.45 MI
 AB9292'(2.33 KM) SOUTHEAST OF THE TERMINAL BUILDING AT THE ROBERT L. BRADSHAW
 AB9292'INTERNATIONAL AIRPORT AND ON THE TOP OF A HILL. OWNERSHIP--COUNTRY OF
 AB9292'ST.  KITTS, DEPARTMENT OF SURVEYS, WI.  CONTACT IS MR CALVIN ESDALE,
 AB9292'PHONE (809) 465-2521.  TO REACH THE STATION FROM THE EAST END OF THE
 AB9292'PARKING LOT AT THE ROBERT L.  BRADSHAW INTERNATIONAL AIRPORT, GO
 AB9292'EASTERLY ON A PAVED ROAD FOR 0.15 MI (0.24 KM) TO A ROTARY, CONTINUE
 AB9292'STRAIGHT AHEAD USING THE ROTARY AND GO EASTERLY, THEN SOUTHERLY ON THE
 AB9292'PAVED ROAD FOR 0.8 MI (1.3 KM) TO A T-JUNCTION, TURN LEFT AND GO
 AB9292'EASTERLY, THEN SOUTHERLY ON THE PAVED ROAD FOR 1.25 MI (2.01 KM) TO A
 AB9292'ROTARY, TURN LEFT ON THE FIRST ROAD OF THE ROTARY AND GO NORTHERLY ON
 AB9292'THE PAVED ROAD FOR 0.45 MI (0.72 KM) TO A PAVED ROAD LEFT, TURN LEFT
 AB9292'AND GO WESTERLY UPHILL FOR 0.15 MI (0.24 KM) TO A ROAD LEFT, TURN LEFT
 AB9292'AND GO UPHILL ON THE PAVED ROAD FOR 0.05 MI (0.08 KM) TO A ROAD LEFT,
 AB9292'TURN LEFT AND GO UPHILL ON THE PAVED ROAD FOR 0.15 MI (0.24 KM) TO A
 AB9292'T-JUNCTION, TURN RIGHT AND GO NORTHERLY ON THE PAVED ROAD FOR 0.1 MI
 AB9292'(0.2 KM) TO THE END OF THE PAVEMENT, FROM THE END OF THE PAVEMENT PACK
 AB9292'NORTHERLY UPHILL TO THE STATION ON THE TOP OF THE HILL.  THE STATION
 AB9292'IS PVC PIPE FLUSH WITH THE TOP OF A 1.3 FT (0.4 M) IN DIAMETER ROUND
 AB9292'CONCRETE MONUMENT, THE HORIZONTAL POINT IS THE APPROXIMATE CENTER OF
 AB9292'THE PIPE AND THE VERTICAL POINT IS THE HIGHTEST PART OF THE PIPE.
 AB9292'NOTE--SHORT PACK.
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:13:15 EDT
 AB9291 ***********************************************************************
 AB9291  DESIGNATION -  TKPK A
 AB9291  PID         -  AB9291
 AB9291  STATE/COUNTY-  SN/PARISH OF ST KITTS AND NEVIS
 AB9291  COUNTRY     -  ST KITTS AND NEVIS
 AB9291  USGS QUAD   -  
 AB9291
 AB9291                         *CURRENT SURVEY CONTROL
 AB9291  ______________________________________________________________________
 AB9291* NAD 83(2011) POSITION- 17 18 43.08840(N) 062 43 11.69002(W)   ADJUSTED
 AB9291* NAD 83(2011) ELLIP HT-    18.890 (meters)        (06/27/12)   ADJUSTED
 AB9291* NAD 83(2011) EPOCH   -  2010.00
 AB9291* LMSL    ORTHO HEIGHT -    57.8   (meters)      190.    (feet) GPS OBS
 AB9291  ______________________________________________________________________
 AB9291  LMSL orthometric height was determined with geoid model       EGM96
 AB9291  GEOID HEIGHT    -        -41.841 (meters)                     EGM96
 AB9291  GEOID HEIGHT    -        -41.657 (meters)                     EGM08
 AB9291  NAD 83(2011) X  -  2,791,763.362 (meters)                     COMP
 AB9291  NAD 83(2011) Y  - -5,413,558.179 (meters)                     COMP
 AB9291  NAD 83(2011) Z  -  1,885,828.675 (meters)                     COMP
 AB9291  LAPLACE CORR    -          0.36  (seconds)                    DCAR97
 AB9291
 AB9291  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 AB9291  Standards:
 AB9291         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 AB9291            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 AB9291  -------------------------------------------------------------------
 AB9291  NETWORK    5.19   3.61           0.45   2.64   1.84     -0.20868324
 AB9291  -------------------------------------------------------------------
 AB9291  Click here for local accuracies and other accuracy information.
 AB9291
 AB9291.The horizontal coordinates were established by GPS observations
 AB9291.and adjusted by the National Geodetic Survey in June 2012.
 AB9291
 AB9291.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has 
 AB9291.been affixed to the stable North American tectonic plate. See 
 AB9291.www.ngs.noaa.gov/web/surveys/NA2011 for more information. 
 AB9291
 AB9291.The horizontal coordinates are valid at the epoch date displayed above
 AB9291.which is a decimal equivalence of Year/Month/Day.
 AB9291
 AB9291.The orthometric height was determined by GPS observations and a
 AB9291.high-resolution geoid model.
 AB9291
 AB9291.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9291
 AB9291.Click photographs - Photos may exist for this station.
 AB9291
 AB9291.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9291
 AB9291.The Laplace correction was computed from DCAR97 derived deflections.
 AB9291
 AB9291.The ellipsoidal height was determined by GPS observations
 AB9291.and is referenced to NAD 83.
 AB9291
 AB9291. The following values were computed from the NAD 83(2011) position.
 AB9291
 AB9291;                    North         East     Units Scale Factor Converg.
 AB9291;UTM  20      - 1,914,088.782   529,763.605   MT  0.99961095   +0 05 00.0
 AB9291
 AB9291!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9291!UTM  20      -   0.99999703  x   0.99961095  =   0.99960798
 AB9291
 AB9291:                Primary Azimuth Mark                     Grid Az
 AB9291:UTM  20      -  TKPK B                                   066 28 24.4
 AB9291
 AB9291_U.S. NATIONAL GRID SPATIAL ADDRESS: 20QNE2976314088(NAD 83)
 AB9291
 AB9291|---------------------------------------------------------------------|
 AB9291| PID    Reference Object                     Distance      Geod. Az  |
 AB9291|                                                           dddmmss.s |
 AB9291| AB9501 TKPK B                              APPROX. 1.3 KM 0663324.4 |
 AB9291| AB9502 TKPK C                              APPROX. 0.7 KM 2195118.5 |
 AB9291|---------------------------------------------------------------------|
 AB9291
 AB9291                          SUPERSEDED SURVEY CONTROL
 AB9291
 AB9291  NAD 83(2007)-  17 18 43.08739(N)    062 43 11.69502(W) AD(2002.00) 0
 AB9291  ELLIP H (02/10/07)   18.895  (m)                       GP(2002.00)    
 AB9291  NAD 83(1996)-  17 18 43.08635(N)    062 43 11.69879(W) AD(       ) A
 AB9291  ELLIP H (12/09/96)   18.932  (m)                       GP(       ) 1 1
 AB9291
 AB9291.Superseded values are not recommended for survey control.
 AB9291
 AB9291.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 AB9291.See file dsdata.pdf to determine how the superseded data were derived.
 AB9291
 AB9291_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9291_SETTING: 34 = SET IN THE FOOTINGS OF SMALL/MEDIUM STRUCTURES
 AB9291_SP_SET: CONCRETE DRAINAGE DITCH
 AB9291_STAMPING: TKPK A 1996
 AB9291_MARK LOGO: NGS
 AB9291_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9291_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
 AB9291_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9291+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9291
 AB9291  HISTORY     - Date     Condition        Report By
 AB9291  HISTORY     - 1996     MONUMENTED       NGS
 AB9291
 AB9291                          STATION DESCRIPTION
 AB9291
 AB9291'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9291'THE STATION IS LOCATED IN THE COUNTRY OF ST KITTS, ON THE ROBERT L.
 AB9291'BRADSHAW INTERNATIONAL AIRPORT AND ABOUT 300 FT (91.4 M) SOUTH OF THE
 AB9291'CONTROL TOWER.  OWNERSHIP--ST KITTS AIR AND SEA PORTS AUTHORITY, W.I.
 AB9291'THE AIRPORT MANAGER IS EDWARD HUGHES, PHONE (809) 465-8472, FAX (809)
 AB9291'465-9122.  CONTACT BOB WARNER ASSISTANT MANAGER AT (809) 466-5598.
 AB9291'THIS IS A CONTROLLED AIRPORT, PERMISSION IS REQUIRED TO ENTER THE
 AB9291'AIRPORT COMPOUND.  TO REACH THE STATION FROM A GATE AT THE WEST END OF
 AB9291'THE TERMINAL BUILDING GO WESTERLY FOR 100 FT (30.5 M) TO A GATE RIGHT
 AB9291'WITH A GUARD SHACK, TURN RIGHT PASS THROUGH GATE AND GO NORTHERLY ON A
 AB9291'GRAVELED ROAD TO A PAVED CROSS ROAD AND THE APRON TO THE RIGHT, BEAR
 AB9291'RIGHT THEN LEFT AND GO NORTHERLY FOLLOWING A DIRT ROAD FOR 0.1 MI (0.2
 AB9291'KM) TO A TURN LEFT ON THE NORTH SIDE OF A DRAINAGE DITCH, CONTINUE
 AB9291'STRAIGHT AHEAD AND GO NORTHERLY FOR 0.15 MI (0.24 KM) CROSSING THE
 AB9291'RUNWAY TO A PAVED ROAD LEADING UPHILL TO THE CONTROL TOWER, BEAR LEFT
 AB9291'AND GO NORTHWESTERLY FOLLOWING THE PAVED ROAD FOR 0.15 MI (0.24 KM) TO
 AB9291'THE CONTROL TOWER JUST AHEAD AND THE STATION ON THE LEFT JUST PAST THE
 AB9291'FENCED IN WEATHER STATION.  THE STATION IS A NGS HORIZONTAL CONTROL
 AB9291'DISK SET INTO A DRILL HOLE IN THE NORTHWESTERNMOST CORNER OF A
 AB9291'CONCRETE DRAINAGE DITCH, THE STATION IS FLUSH WITH THE GROUND AND 47.5
 AB9291'FT (14.5 M) SOUTHWEST OF THE SOUTHWEST CORNER OF THE WEATHER STATION
 AB9291'FENCE.  STATION IS AIRPORT PACS.
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:13:15 EDT
 AB9501 ***********************************************************************
 AB9501  DESIGNATION -  TKPK B
 AB9501  PID         -  AB9501
 AB9501  STATE/COUNTY-  SN/PARISH OF ST KITTS AND NEVIS
 AB9501  COUNTRY     -  ST KITTS AND NEVIS
 AB9501  USGS QUAD   -  
 AB9501
 AB9501                         *CURRENT SURVEY CONTROL
 AB9501  ______________________________________________________________________
 AB9501* NAD 83(1996) POSITION- 17 18 59.88471(N) 062 42 31.36222(W)   ADJUSTED
 AB9501* NAD 83(1996) ELLIP HT-     8.643 (meters)        (12/30/96)   ADJUSTED
 AB9501* LMSL    ORTHO HEIGHT -    47.5   (meters)      156.    (feet) GPS OBS
 AB9501  ______________________________________________________________________
 AB9501  LMSL orthometric height was determined with geoid model       EGM96
 AB9501  GEOID HEIGHT    -        -41.831 (meters)                     EGM96
 AB9501  GEOID HEIGHT    -        -41.673 (meters)                     EGM08
 AB9501  NAD 83(1996) X  -  2,792,746.791 (meters)                     COMP
 AB9501  NAD 83(1996) Y  - -5,412,866.982 (meters)                     COMP
 AB9501  NAD 83(1996) Z  -  1,886,318.588 (meters)                     COMP
 AB9501  LAPLACE CORR    -         -0.04  (seconds)                    DCAR97
 AB9501  HORZ ORDER      -  FIRST
 AB9501  ELLP ORDER      -  FOURTH    CLASS II
 AB9501
 AB9501.The horizontal coordinates were established by GPS observations
 AB9501.and adjusted by the National Geodetic Survey in December 1996.
 AB9501
 AB9501.The orthometric height was determined by GPS observations and a
 AB9501.high-resolution geoid model.
 AB9501
 AB9501.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9501
 AB9501.Click photographs - Photos may exist for this station.
 AB9501
 AB9501.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9501
 AB9501.The Laplace correction was computed from DCAR97 derived deflections.
 AB9501
 AB9501.The ellipsoidal height was determined by GPS observations
 AB9501.and is referenced to NAD 83.
 AB9501
 AB9501. The following values were computed from the NAD 83(1996) position.
 AB9501
 AB9501;                    North         East     Units Scale Factor Converg.
 AB9501;UTM  20      - 1,914,606.706   530,953.241   MT  0.99961185   +0 05 12.1
 AB9501
 AB9501!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9501!UTM  20      -   0.99999864  x   0.99961185  =   0.99961049
 AB9501
 AB9501:                Primary Azimuth Mark                     Grid Az
 AB9501:UTM  20      -  TKPK A                                   246 28 24.4
 AB9501
 AB9501_U.S. NATIONAL GRID SPATIAL ADDRESS: 20QNE3095314606(NAD 83)
 AB9501
 AB9501|---------------------------------------------------------------------|
 AB9501| PID    Reference Object                     Distance      Geod. Az  |
 AB9501|                                                           dddmmss.s |
 AB9501| AB9291 TKPK A                              APPROX. 1.3 KM 2463336.5 |
 AB9501|---------------------------------------------------------------------|
 AB9501
 AB9501                          SUPERSEDED SURVEY CONTROL
 AB9501
 AB9501.No superseded survey control is available for this station.
 AB9501
 AB9501_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9501_SETTING: 34 = SET IN THE FOOTINGS OF SMALL/MEDIUM STRUCTURES
 AB9501_SP_SET: CONCRETE DRAINAGE DITCH
 AB9501_STAMPING: TKPK B 1996
 AB9501_MARK LOGO: NGS
 AB9501_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9501_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
 AB9501_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9501+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9501
 AB9501  HISTORY     - Date     Condition        Report By
 AB9501  HISTORY     - 1996     MONUMENTED       NGS
 AB9501
 AB9501                          STATION DESCRIPTION
 AB9501
 AB9501'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9501'THE STATION IS LOCATED IN THE COUNTRY OF ST KITTS, ON THE ROBERT L.
 AB9501'BRADSHAW INTERNATIONAL AIRPORT AND NEAR THE APPROACH END OF RUNWAY 25.
 AB9501'OWNERSHIP--ST KITTS AIR AND SEA PORTS AUTHORITY, W.I.  THE AIRPORT
 AB9501'MANAGER IS EDWARD HUGHES, PHONE (809) 465-8472, FAX (809) 465-9122.
 AB9501'CONTACT BOB WARNER ASSISTANT AIRPORT MANAGER (809) 466-5598.  THIS IS
 AB9501'A CONTROLLED AIRPORT, PERMISSION IS REQUIRED TO ENTER THE AIRPORT
 AB9501'COMPOUND.  TO REACH THE STATION FROM A GATE AT THE WEST END OF THE
 AB9501'TERMINAL BUILDING GO WESTERLY FOR 100 FT (30.5 M) TO A GATE RIGHT WITH
 AB9501'A GUARD SHACK, TURN RIGHT PASS THROUGH GATE AND GO NORTHERLY ON A
 AB9501'GRAVELED ROAD TO A PAVED CROSS ROAD AND THE APRON TO THE RIGHT, TURN
 AB9501'RIGHT AND GO EASTERLY ACROSS THE APRON, THEN ON A CONNECTOR TAXIWAY,
 AB9501'THEN ON A DIM TRACK ROAD (PARALLELING THE RUNWAY) FOR 0.4 MI (0.6 KM)
 AB9501'TO A 4 BOX SET OF PAPI LIGHTS ON THE LEFT, CONTINUE AHEAD AND GO
 AB9501'EASTERLY ON THE DIM TRACK ROAD FOR 0.2 MI (0.3 KM) TO THE STATION ON
 AB9501'THE RIGHT INLINE WITH THE EAST-NORTHEAST EDGE OF THE STOPWAY PAVEMENT.
 AB9501'THE STATION IS A NGS HORIZONTAL CONTROL DISK SET INTO A DRILL HOLE IN
 AB9501'THE CONCRETE SLAB FOR A CONCRETE DRAINAGE DITCH INLET, THE SLAB IS
 AB9501'FLUSH WITH THE GROUND, 259.0 FT (78.9 M) SOUTH-SOUTHEAST OF THE
 AB9501'STOPWAY CENTER (EXTENDED RUNWAY CENTER) , 7.0 FT (2.1 M) WEST OF THE
 AB9501'EAST EDGE OF THE SLAB, 4.1 FT (1.2 M) EAST OF THE WEST EDGE OF THE
 AB9501'SLAB AND 1.0 FT (0.3 M) SOUTH OF THE NORTH EDGE OF THE SLAB.  THIS IS
 AB9501'A SECONDARY AIRPORT CONTROL STATION (SACS) .
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:13:15 EDT
 AB9502 ***********************************************************************
 AB9502  DESIGNATION -  TKPK C
 AB9502  PID         -  AB9502
 AB9502  STATE/COUNTY-  SN/PARISH OF ST KITTS AND NEVIS
 AB9502  COUNTRY     -  ST KITTS AND NEVIS
 AB9502  USGS QUAD   -  
 AB9502
 AB9502                         *CURRENT SURVEY CONTROL
 AB9502  ______________________________________________________________________
 AB9502* NAD 83(1996) POSITION- 17 18 24.41357(N) 062 43 27.91921(W)   ADJUSTED
 AB9502* NAD 83(1996) ELLIP HT-    10.791 (meters)        (12/30/96)   ADJUSTED
 AB9502* LMSL    ORTHO HEIGHT -    49.7   (meters)      163.    (feet) GPS OBS
 AB9502  ______________________________________________________________________
 AB9502  LMSL orthometric height was determined with geoid model       EGM96
 AB9502  GEOID HEIGHT    -        -41.842 (meters)                     EGM96
 AB9502  GEOID HEIGHT    -        -41.649 (meters)                     EGM08
 AB9502  NAD 83(1996) X  -  2,791,412.144 (meters)                     COMP
 AB9502  NAD 83(1996) Y  - -5,413,922.773 (meters)                     COMP
 AB9502  NAD 83(1996) Z  -  1,885,278.155 (meters)                     COMP
 AB9502  LAPLACE CORR    -          0.53  (seconds)                    DCAR97
 AB9502  HORZ ORDER      -  FIRST
 AB9502  ELLP ORDER      -  FOURTH    CLASS II
 AB9502
 AB9502.The horizontal coordinates were established by GPS observations
 AB9502.and adjusted by the National Geodetic Survey in December 1996.
 AB9502
 AB9502.The orthometric height was determined by GPS observations and a
 AB9502.high-resolution geoid model.
 AB9502
 AB9502.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9502
 AB9502.Click photographs - Photos may exist for this station.
 AB9502
 AB9502.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9502
 AB9502.The Laplace correction was computed from DCAR97 derived deflections.
 AB9502
 AB9502.The ellipsoidal height was determined by GPS observations
 AB9502.and is referenced to NAD 83.
 AB9502
 AB9502. The following values were computed from the NAD 83(1996) position.
 AB9502
 AB9502;                    North         East     Units Scale Factor Converg.
 AB9502;UTM  20      - 1,913,514.206   529,285.365   MT  0.99961060   +0 04 55.1
 AB9502
 AB9502!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9502!UTM  20      -   0.99999830  x   0.99961060  =   0.99960890
 AB9502
 AB9502:                Primary Azimuth Mark                     Grid Az
 AB9502:UTM  20      -  TKPK A                                   039 46 18.6
 AB9502
 AB9502_U.S. NATIONAL GRID SPATIAL ADDRESS: 20QNE2928513514(NAD 83)
 AB9502
 AB9502|---------------------------------------------------------------------|
 AB9502| PID    Reference Object                     Distance      Geod. Az  |
 AB9502|                                                           dddmmss.s |
 AB9502| AB9291 TKPK A                              APPROX. 0.7 KM 0395113.7 |
 AB9502|---------------------------------------------------------------------|
 AB9502
 AB9502                          SUPERSEDED SURVEY CONTROL
 AB9502
 AB9502.No superseded survey control is available for this station.
 AB9502
 AB9502_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9502_SETTING: 34 = SET IN THE FOOTINGS OF SMALL/MEDIUM STRUCTURES
 AB9502_SP_SET: CONCRETE DRAINAGE DITCH
 AB9502_STAMPING: TKPK C 1996
 AB9502_MARK LOGO: NGS
 AB9502_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9502_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
 AB9502_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9502+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9502
 AB9502  HISTORY     - Date     Condition        Report By
 AB9502  HISTORY     - 1996     MONUMENTED       NGS
 AB9502
 AB9502                          STATION DESCRIPTION
 AB9502
 AB9502'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9502'THE STATION IS LOCATED IN THE COUNTRY OF ST KITTS, ON THE ROBERT L.
 AB9502'BRADSHAW INTERNATIONAL AIRPORT AND NEAR A 4 BOX SET OF PAPI LIGHTS
 AB9502'NEAR THE APPROACH END OF RUNWAY 07.  OWNERSHIP--ST KITTS AIR AND SEA
 AB9502'PORTS AUTHORITY, W.I.  THE AIRPORT MANAGER IS EDWARD HUGHES, PHONE
 AB9502'(809) 465-8472, FAX (809) 465-9122.  CONTACT BOB WARNER ASSISTANT
 AB9502'MANAGER AT (809) 466-5598.  THIS IS A CONTROLLED AIRPORT, PERMISSION
 AB9502'IS REQUIRED TO ENTER THE AIRPORT COMPOUND.  TO REACH THE STATION FROM
 AB9502'A GATE AT THE WEST END OF THE TERMINAL BUILDING GO WESTERLY FOR 100 FT
 AB9502'(30.5 M) TO A GATE RIGHT WITH A GUARD SHACK, TURN RIGHT PASS THROUGH
 AB9502'GATE AND GO NORTHERLY ON A GRAVELED ROAD TO A PAVED CROSS ROAD AND THE
 AB9502'APRON TO THE RIGHT, BEAR RIGHT THEN LEFT AND GO NORTHERLY FOLLOWING A
 AB9502'DIRT ROAD FOR 0.1 MI (0.2 KM) TO A TURN LEFT ON THE NORTH SIDE OF A
 AB9502'DRAINAGE DITCH, TURN LEFT AND GO WESTERLY ON THE DIM TRACK ROAD
 AB9502'(PARALLEL TO THE RUNWAY) FOR 0.65 MI (1.05 KM) TO THE STATION ON THE
 AB9502'LEFT (JUST BEFORE REACHING THE PAPI LIGHTS) .  THE STATION IS A NGS
 AB9502'HORIZONTAL CONTROL DISK SET INTO A DRILL HOLE IN A CONCRETE DRAINAGE
 AB9502'DITCH, THE STATION IS FLUSH WITH THE GROUND LEVEL, 235.5 FT (71.8 M)
 AB9502'SOUTH-SOUTHEAST OF THE RUNWAY CENTER, 130.5 FT (39.8 M) EAST OF THE
 AB9502'SOUTHERNMOST PAPI LIGHT, 8.3 FT (2.5 M) SOUTHWEST OF THE TOP CENTER OF
 AB9502'A WATER VALVE BOX WITH A SQUARE METAL COVER, 6.1 FT (1.9 M)
 AB9502'WEST-SOUTHWEST OF THE EAST-NORTHEAST EDGE OF THE CONCRETE INLET SLAB,
 AB9502'4.9 FT (1.5 M) EAST-NORTHEAST OF THE WEST-SOUTHWEST EDGE OF THE
 AB9502'CONCRETE INLET SLAB AND 1.0 FT (0.3 M) SOUTH-SOUTHEAST OF THE
 AB9502'NORTH-NORTHWEST EDGE OF THE CONCRETE INLET SLAB.  THIS IS A SECONDARY
 AB9502'AIRPORT CONTROL STATION (SACS) .
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:13:15 EDT
 AB9475 ***********************************************************************
 AB9475  DESIGNATION -  TKPN A
 AB9475  PID         -  AB9475
 AB9475  STATE/COUNTY-  SN/PARISH OF ST KITTS AND NEVIS
 AB9475  COUNTRY     -  ST KITTS AND NEVIS
 AB9475  USGS QUAD   -  
 AB9475
 AB9475                         *CURRENT SURVEY CONTROL
 AB9475  ______________________________________________________________________
 AB9475* NAD 83(1996) POSITION- 17 12 18.92476(N) 062 35 42.48714(W)   ADJUSTED
 AB9475* NAD 83(1996) ELLIP HT-   -35.299 (meters)        (12/30/96)   ADJUSTED
 AB9475* LMSL    ORTHO HEIGHT -     3.3   (meters)       11.    (feet) GPS OBS
 AB9475  ______________________________________________________________________
 AB9475  LMSL orthometric height was determined with geoid model       EGM96
 AB9475  GEOID HEIGHT    -        -41.589 (meters)                     EGM96
 AB9475  GEOID HEIGHT    -        -41.337 (meters)                     EGM08
 AB9475  NAD 83(1996) X  -  2,805,135.285 (meters)                     COMP
 AB9475  NAD 83(1996) Y  - -5,410,530.156 (meters)                     COMP
 AB9475  NAD 83(1996) Z  -  1,874,534.305 (meters)                     COMP
 AB9475  LAPLACE CORR    -         -0.27  (seconds)                    DCAR97
 AB9475  HORZ ORDER      -  FIRST
 AB9475  ELLP ORDER      -  FOURTH    CLASS I
 AB9475
 AB9475.The horizontal coordinates were established by GPS observations
 AB9475.and adjusted by the National Geodetic Survey in December 1996.
 AB9475
 AB9475.The orthometric height was determined by GPS observations and a
 AB9475.high-resolution geoid model.
 AB9475
 AB9475.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9475
 AB9475.Click photographs - Photos may exist for this station.
 AB9475
 AB9475.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9475
 AB9475.The Laplace correction was computed from DCAR97 derived deflections.
 AB9475
 AB9475.The ellipsoidal height was determined by GPS observations
 AB9475.and is referenced to NAD 83.
 AB9475
 AB9475. The following values were computed from the NAD 83(1996) position.
 AB9475
 AB9475;                    North         East     Units Scale Factor Converg.
 AB9475;UTM  20      - 1,902,306.794   543,048.219   MT  0.99962291   +0 07 11.1
 AB9475
 AB9475!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9475!UTM  20      -   1.00000555  x   0.99962291  =   0.99962846
 AB9475
 AB9475:                Primary Azimuth Mark                     Grid Az
 AB9475:UTM  20      -  TKPN B                                   090 52 34.8
 AB9475
 AB9475_U.S. NATIONAL GRID SPATIAL ADDRESS: 20QNE4304802306(NAD 83)
 AB9475
 AB9475|---------------------------------------------------------------------|
 AB9475| PID    Reference Object                     Distance      Geod. Az  |
 AB9475|                                                           dddmmss.s |
 AB9475| AB9316 TKPN B                              408.302 METERS 0905945.9 |
 AB9475|---------------------------------------------------------------------|
 AB9475
 AB9475                          SUPERSEDED SURVEY CONTROL
 AB9475
 AB9475.No superseded survey control is available for this station.
 AB9475
 AB9475_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9475_SETTING: 66 = SET IN ROCK OUTCROP
 AB9475_STAMPING: TKPN A 1996
 AB9475_MARK LOGO: NGS
 AB9475_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9475_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD
 AB9475+STABILITY: POSITION/ELEVATION WELL
 AB9475_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9475+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9475
 AB9475  HISTORY     - Date     Condition        Report By
 AB9475  HISTORY     - 1996     MONUMENTED       NGS
 AB9475
 AB9475                          STATION DESCRIPTION
 AB9475
 AB9475'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9475'THE STATION IS LOCATED IN THE COUNTRY OF NEVIS, WEST INDIES, AT THE
 AB9475'NEWCASTLE AIRPORT AND NEAR THE WEST END OF THE RUNWAY.
 AB9475'OWNERSHIP--NEVIS ISLAND ADMINISTRATION, NEVIS, WEST INDIES.  AIRPORT
 AB9475'MANAGER IS CARLISLE POWELL, PHONE (809) 469-9040, FAX (809) 469-0096.
 AB9475'THIS IS A UNCONTROLLED AIRPORT, PERMISSION IS REQUIRED TO ENTER THE
 AB9475'AIRPORT COMPOUND.  TO REACH THE STATION FROM THE MAIN ENTRANCE TO THE
 AB9475'NEWCASTLE AIRPORT (SOUTH OF THE TERMINAL BUILDING) GO WESTERLY ON THE
 AB9475'PAVED ROAD FOR 0.2 MI (0.3 KM) TO THE STATION ON THE RIGHT.  THE
 AB9475'STATION IS A NGS HORIZONTAL CONTROL DISK SET INTO A DRILL HOLE IN A 25
 AB9475'FT (7.6 M) BY 16 FT (4.9 M) ROCK OUTCROP, 43.6 FT (13.3 M) SOUTHEAST
 AB9475'OF THE SOUTHWEST CORNER POST OF THE PERIMETER FENCE, 39.5 FT (12.0 M)
 AB9475'NORTHEAST OF THE PAVED ROAD CENTER AND 36.5 FT (11.1 M) SOUTH OF THE
 AB9475'PERIMETER FENCE.  THIS IS A SECONDARY AIRPORT CONTROL STATION (SACS) .
 AB9475'NOTE-THERE ARE AIRPORT EXPANSION PLANS IN THE FUTURE AND THE ROAD AND
 AB9475'PERIMETER FENCE WILL BE MOVED BUT THE STATION SHOULD BE AWAY FROM THE
 AB9475'CONSTRUCTION.
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:13:15 EDT
 AB9316 ***********************************************************************
 AB9316  DESIGNATION -  TKPN B
 AB9316  PID         -  AB9316
 AB9316  STATE/COUNTY-  SN/PARISH OF ST KITTS AND NEVIS
 AB9316  COUNTRY     -  ST KITTS AND NEVIS
 AB9316  USGS QUAD   -  
 AB9316
 AB9316                         *CURRENT SURVEY CONTROL
 AB9316  ______________________________________________________________________
 AB9316* NAD 83(2011) POSITION- 17 12 18.69374(N) 062 35 28.67052(W)   ADJUSTED
 AB9316* NAD 83(2011) ELLIP HT-   -30.921 (meters)        (06/27/12)   ADJUSTED
 AB9316* NAD 83(2011) EPOCH   -  2010.00
 AB9316* LMSL    ORTHO HEIGHT -     7.7   (meters)       25.    (feet) GPS OBS
 AB9316  ______________________________________________________________________
 AB9316  LMSL orthometric height was determined with geoid model       EGM96
 AB9316  GEOID HEIGHT    -        -41.584 (meters)                     EGM96
 AB9316  GEOID HEIGHT    -        -41.340 (meters)                     EGM08
 AB9316  NAD 83(2011) X  -  2,805,500.594 (meters)                     COMP
 AB9316  NAD 83(2011) Y  - -5,410,347.820 (meters)                     COMP
 AB9316  NAD 83(2011) Z  -  1,874,528.816 (meters)                     COMP
 AB9316  LAPLACE CORR    -         -0.35  (seconds)                    DCAR97
 AB9316
 AB9316  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 AB9316  Standards:
 AB9316         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 AB9316            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 AB9316  -------------------------------------------------------------------
 AB9316  NETWORK    6.48   4.02           0.61   3.29   2.05     -0.33521043
 AB9316  -------------------------------------------------------------------
 AB9316  Click here for local accuracies and other accuracy information.
 AB9316
 AB9316.The horizontal coordinates were established by GPS observations
 AB9316.and adjusted by the National Geodetic Survey in June 2012.
 AB9316
 AB9316.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has 
 AB9316.been affixed to the stable North American tectonic plate. See 
 AB9316.www.ngs.noaa.gov/web/surveys/NA2011 for more information. 
 AB9316
 AB9316.The horizontal coordinates are valid at the epoch date displayed above
 AB9316.which is a decimal equivalence of Year/Month/Day.
 AB9316
 AB9316.The orthometric height was determined by GPS observations and a
 AB9316.high-resolution geoid model.
 AB9316
 AB9316.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9316
 AB9316.Click photographs - Photos may exist for this station.
 AB9316
 AB9316.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9316
 AB9316.The Laplace correction was computed from DCAR97 derived deflections.
 AB9316
 AB9316.The ellipsoidal height was determined by GPS observations
 AB9316.and is referenced to NAD 83.
 AB9316
 AB9316. The following values were computed from the NAD 83(2011) position.
 AB9316
 AB9316;                    North         East     Units Scale Factor Converg.
 AB9316;UTM  20      - 1,902,300.552   543,456.319   MT  0.99962335   +0 07 15.2
 AB9316
 AB9316!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9316!UTM  20      -   1.00000486  x   0.99962335  =   0.99962821
 AB9316
 AB9316:                Primary Azimuth Mark                     Grid Az
 AB9316:UTM  20      -  TKPN A                                   270 52 34.8
 AB9316
 AB9316_U.S. NATIONAL GRID SPATIAL ADDRESS: 20QNE4345602300(NAD 83)
 AB9316
 AB9316|---------------------------------------------------------------------|
 AB9316| PID    Reference Object                     Distance      Geod. Az  |
 AB9316|                                                           dddmmss.s |
 AB9316| AB9476 TKPN C                              386.577 METERS 07723     |
 AB9316| AB9475 TKPN A                              408.302 METERS 2705950.0 |
 AB9316|---------------------------------------------------------------------|
 AB9316
 AB9316                          SUPERSEDED SURVEY CONTROL
 AB9316
 AB9316  NAD 83(2007)-  17 12 18.69272(N)    062 35 28.67548(W) AD(2002.00) 0
 AB9316  ELLIP H (02/10/07)  -30.916  (m)                       GP(2002.00)    
 AB9316  NAD 83(1996)-  17 12 18.69169(N)    062 35 28.67927(W) AD(       ) A
 AB9316  ELLIP H (12/09/96)  -30.879  (m)                       GP(       ) 1 1
 AB9316
 AB9316.Superseded values are not recommended for survey control.
 AB9316
 AB9316.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 AB9316.See file dsdata.pdf to determine how the superseded data were derived.
 AB9316
 AB9316_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9316_SETTING: 66 = SET IN ROCK OUTCROP
 AB9316_STAMPING: TKPN B 1996
 AB9316_MARK LOGO: NGS
 AB9316_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9316_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
 AB9316_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9316+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9316
 AB9316  HISTORY     - Date     Condition        Report By
 AB9316  HISTORY     - 1996     MONUMENTED       NGS
 AB9316
 AB9316                          STATION DESCRIPTION
 AB9316
 AB9316'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9316'THE STATION IS LOCATED IN THE COUNTRY OF NEVIS, AT THE NEWCASTLE
 AB9316'AIRPORT AND ABOUT 150 FT (45.7 M) NORTH-NORTHWEST OF THE FIRE
 AB9316'STATION/MAINTENANCE BUILDING.  OWNERSHIP--NEVIS ISLAND ADMINISTRATION,
 AB9316'NEVIS, WEST INDIES.  AIRPORT MANAGER IS CARLISLE POWELL, PHONE (809)
 AB9316'469-9040, FAX (809) 469-0096.  THIS IS A UNCONTROLED AIRPORT,
 AB9316'PERMISSION IS REQUIRED TO ENTER THE AIRPORT COMPOUND.  TO REACH THE
 AB9316'STATION FROM THE NORTH SIDE OF THE NEWCASTLE AIRPORT FIRE
 AB9316'STATION/MAINTENANCE BUILDING (EAST OF THE TERMINAL BUILDING) GO
 AB9316'NORTHERLY ON A PAVED LANE FOR ABOUT 150 FT (45.7 M) TO THE STATION ON
 AB9316'THE LEFT.  THE STATION IS A NGS HORIZONTAL CONTROL DISK SET INTO A
 AB9316'DRILL HOLE IN A 2 FT (0.6 M) BY 2 FT (0.6 M) ROCK OUTCROP, 173.3 FT
 AB9316'(52.8 M) SOUTH OF THE RUNWAY CENTER, 127.3 FT (38.8 M) EAST OF THE
 AB9316'EAST EDGE OF THE APRON AND 43.0 FT (13.1 M)W OF THE APPROXIMATE CENTER
 AB9316'OF THE PAVED LANE.  THIS IS A SECONDARY AIRPORT CONTROL STATION.
 AB9316'NOTE-THERE ARE AIRPORT EXPANSION PLANS IN THE FUTURE BUT THIS STATION
 AB9316'SHOULD BE AWAY FROM THE CONSTRUCTION.
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:13:15 EDT
 AB9476 ***********************************************************************
 AB9476  DESIGNATION -  TKPN C
 AB9476  PID         -  AB9476
 AB9476  STATE/COUNTY-  SN/PARISH OF ST KITTS AND NEVIS
 AB9476  COUNTRY     -  ST KITTS AND NEVIS
 AB9476  USGS QUAD   -  
 AB9476
 AB9476                         *CURRENT SURVEY CONTROL
 AB9476  ______________________________________________________________________
 AB9476* NAD 83(1996) POSITION- 17 12 21.43931(N) 062 35 15.90272(W)   ADJUSTED
 AB9476* NAD 83(1996) ELLIP HT-   -34.198 (meters)        (12/30/96)   ADJUSTED
 AB9476* LMSL    ORTHO HEIGHT -     4.4   (meters)       14.    (feet) GPS OBS
 AB9476  ______________________________________________________________________
 AB9476  LMSL orthometric height was determined with geoid model       EGM96
 AB9476  GEOID HEIGHT    -        -41.579 (meters)                     EGM96
 AB9476  GEOID HEIGHT    -        -41.347 (meters)                     EGM08
 AB9476  NAD 83(1996) X  -  2,805,822.554 (meters)                     COMP
 AB9476  NAD 83(1996) Y  - -5,410,149.207 (meters)                     COMP
 AB9476  NAD 83(1996) Z  -  1,874,608.473 (meters)                     COMP
 AB9476  LAPLACE CORR    -         -0.42  (seconds)                    DCAR97
 AB9476  HORZ ORDER      -  FIRST
 AB9476  ELLP ORDER      -  FOURTH    CLASS I
 AB9476
 AB9476.The horizontal coordinates were established by GPS observations
 AB9476.and adjusted by the National Geodetic Survey in December 1996.
 AB9476
 AB9476.The orthometric height was determined by GPS observations and a
 AB9476.high-resolution geoid model.
 AB9476
 AB9476.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9476
 AB9476.Click photographs - Photos may exist for this station.
 AB9476
 AB9476.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9476
 AB9476.The Laplace correction was computed from DCAR97 derived deflections.
 AB9476
 AB9476.The ellipsoidal height was determined by GPS observations
 AB9476.and is referenced to NAD 83.
 AB9476
 AB9476. The following values were computed from the NAD 83(1996) position.
 AB9476
 AB9476;                    North         East     Units Scale Factor Converg.
 AB9476;UTM  20      - 1,902,385.724   543,833.247   MT  0.99962376   +0 07 19.0
 AB9476
 AB9476!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9476!UTM  20      -   1.00000538  x   0.99962376  =   0.99962913
 AB9476
 AB9476_U.S. NATIONAL GRID SPATIAL ADDRESS: 20QNE4383302385(NAD 83)
 AB9476
 AB9476|---------------------------------------------------------------------|
 AB9476| PID    Reference Object                     Distance      Geod. Az  |
 AB9476|                                                           dddmmss.s |
 AB9476| AB9316 TKPN B                              386.577 METERS 25723     |
 AB9476|---------------------------------------------------------------------|
 AB9476
 AB9476                          SUPERSEDED SURVEY CONTROL
 AB9476
 AB9476.No superseded survey control is available for this station.
 AB9476
 AB9476_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9476_SETTING: 80 = SET IN A BOULDER
 AB9476_STAMPING: TKPN C 1996
 AB9476_MARK LOGO: NGS
 AB9476_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9476_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
 AB9476+STABILITY: SURFACE MOTION
 AB9476_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9476+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9476
 AB9476  HISTORY     - Date     Condition        Report By
 AB9476  HISTORY     - 1996     MONUMENTED       NGS
 AB9476
 AB9476                          STATION DESCRIPTION
 AB9476
 AB9476'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9476'THE STATION IS LOCATED IN THE COUNTRY OF NEVIS, AT THE NEWCASTLE
 AB9476'AIRPORT AND ABOUT NEAR THE NORTHEAST CORNER OF THE AIRPORT COMPOUND.
 AB9476'OWNERSHIP--NEVIS ISLAND ADMINISTRATION, NEVIS, WEST INDIES.  AIRPORT
 AB9476'MANAGER IS CARLISLE POWELL, PHONE (809) 469-9040, FAX (809) 469-0096.
 AB9476'THIS IS A UNCONTROLLED AIRPORT, PERMISSION IS REQUIRED TO ENTER THE
 AB9476'AIRPORT COMPOUND.  TO REACH THE STATION FROM THE NORTH SIDE OF THE
 AB9476'NEWCASTLE AIRPORT FIRE STATION/MAINTENANCE BUILDING (EAST OF THE
 AB9476'TERMINAL BUILDING) GO NORTHERLY ON A PAVED LANE FOR ABOUT 0.05 MI
 AB9476'(0.08 KM) TO THE RUNWAY, TURN RIGHT AND GO EASTERLY ON THE RUNWAY FOR
 AB9476'0.2 MI (0.3 KM) TO THE END OF THE PAVEMENT AND THE STATION JUST AHEAD
 AB9476'ON THE LEFT.  THE STATION IS A NGS HORIZONTAL CONTROL DISK SET INTO A
 AB9476'DRILL HOLE IN A 1 FT (0.3 M) BY 1 FT (0.3 M) BOULDER, 91.0 FT (27.7 M)
 AB9476'NORTH OF THE EXTENDED RUNWAY CENTER, 19.5 FT (5.9 M) WEST OF A
 AB9476'PERIMETER FENCE AND 5.0 FT (1.5 M) SOUTH OF A PERIMETER FENCE. THIS IS
 AB9476'A SECONDARY AIRPORT CONTROL STATION (SACS) .  NOTE--THERE ARE AIRPORT
 AB9476'EXPANSION PLANS IN THE FUTURE.

 *** retrieval complete.
