














                                  SURVEY CONTROL DATA
                                
                             STATE=BB
                             [MAY 10, 2024 21:11:1]
                              Version = 8.12.5.18
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:11:12 EDT
 AB9260 ***********************************************************************
 AB9260  DESIGNATION -  S 40
 AB9260  PID         -  AB9260
 AB9260  STATE/COUNTY-  BB/PARISH OF BARBADOS
 AB9260  COUNTRY     -  BARBADOS
 AB9260  USGS QUAD   -  
 AB9260
 AB9260                         *CURRENT SURVEY CONTROL
 AB9260  ______________________________________________________________________
 AB9260* NAD 83(2011) POSITION- 13 10 54.19148(N) 059 27 35.69954(W)   NO CHECK
 AB9260* NAD 83(2011) ELLIP HT-     0.542 (meters)        (06/27/12)   NO CHECK
 AB9260* NAD 83(2011) EPOCH   -  2010.00
 AB9260* LMSL    ORTHO HEIGHT -    46.1   (meters)      151.    (feet) GPS OBS
 AB9260  ______________________________________________________________________
 AB9260  LMSL orthometric height was determined with geoid model       EGM96
 AB9260  GEOID HEIGHT    -        -48.448 (meters)                     EGM96
 AB9260  GEOID HEIGHT    -        -47.956 (meters)                     EGM08
 AB9260  NAD 83(2011) X  -  3,156,148.119 (meters)                     COMP
 AB9260  NAD 83(2011) Y  - -5,349,514.822 (meters)                     COMP
 AB9260  NAD 83(2011) Z  -  1,444,986.763 (meters)                     COMP
 AB9260  LAPLACE CORR    -         -1.92  (seconds)                    DCAR97
 AB9260
 AB9260  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 AB9260  Standards:
 AB9260         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 AB9260            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 AB9260  -------------------------------------------------------------------
 AB9260  NETWORK    8.18   8.72           1.10   4.13   4.45     -0.22500963
 AB9260  -------------------------------------------------------------------
 AB9260  Click here for local accuracies and other accuracy information.
 AB9260
 AB9260.The horizontal coordinates were established by GPS observations
 AB9260.and adjusted by the National Geodetic Survey in June 2012.
 AB9260
 AB9260.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has 
 AB9260.been affixed to the stable North American tectonic plate. See 
 AB9260.www.ngs.noaa.gov/web/surveys/NA2011 for more information. 
 AB9260
 AB9260.The horizontal coordinates are valid at the epoch date displayed above
 AB9260.which is a decimal equivalence of Year/Month/Day.
 AB9260
 AB9260.No horizontal observational check was made to the station.
 AB9260
 AB9260.The orthometric height was determined by GPS observations and a
 AB9260.high-resolution geoid model.
 AB9260
 AB9260.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9260
 AB9260.Click photographs - Photos may exist for this station.
 AB9260
 AB9260.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9260
 AB9260.The Laplace correction was computed from DCAR97 derived deflections.
 AB9260
 AB9260.The ellipsoidal height was determined by GPS observations
 AB9260.and is referenced to NAD 83.
 AB9260
 AB9260. The following values were computed from the NAD 83(2011) position.
 AB9260
 AB9260;                    North         East     Units Scale Factor Converg.
 AB9260;UTM  21      - 1,458,537.426   233,364.819   MT  1.00047957   -0 33 40.7
 AB9260
 AB9260!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9260!UTM  21      -   0.99999991  x   1.00047957  =   1.00047948
 AB9260
 AB9260_U.S. NATIONAL GRID SPATIAL ADDRESS: 21PTQ3336458537(NAD 83)
 AB9260
 AB9260                          SUPERSEDED SURVEY CONTROL
 AB9260
 AB9260  NAD 83(2007)-  13 10 54.19049(N)    059 27 35.70454(W) AD(2002.00) 0
 AB9260  ELLIP H (02/10/07)    0.550  (m)                       GP(2002.00)    
 AB9260  NAD 83(1996)-  13 10 54.18958(N)    059 27 35.70830(W) AD(       ) 1
 AB9260  ELLIP H (12/09/96)    0.573  (m)                       GP(       ) 1 1
 AB9260
 AB9260.Superseded values are not recommended for survey control.
 AB9260
 AB9260.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 AB9260.See file dsdata.pdf to determine how the superseded data were derived.
 AB9260
 AB9260_MARKER: Z = SEE DESCRIPTION
 AB9260_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
 AB9260_STAMPING: S40 DLS
 AB9260_MARK LOGO: BBDLAS
 AB9260_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9260_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD
 AB9260+STABILITY: POSITION/ELEVATION WELL
 AB9260_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9260+SATELLITE: SATELLITE OBSERVATIONS - March 19, 1996
 AB9260
 AB9260  HISTORY     - Date     Condition        Report By
 AB9260  HISTORY     - 1967     MONUMENTED       BBDLAS
 AB9260  HISTORY     - 19960319 GOOD             NGS
 AB9260
 AB9260                          STATION DESCRIPTION
 AB9260
 AB9260'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9260'THE STATION IS LOCATED NEAR THE EAST SIDE OF THE ISLAND OF BARBADOS,
 AB9260'ON TOP OF A HILL OVERLOOKING THE ATLANTIC OCEAN.  SET IN TOP OF A 14 X
 AB9260'14-INCH SQUARE CONCRETE MONUMENT SET ON ROCK OUTCROP, MARKED WITH A
 AB9260'RED AND WHITE REMOVEABLE METAL POLE ABOUT 13-FOOT HIGH.
 AB9260'OWNERSHIP--ANGLICAN CHURCH OF BARBADOS, COLLEGE SAVANAH. NOTE--CONTACT
 AB9260'CHIEF SURVEYOR DEPARTMENT OF LANDS AND SURVEYS, CULLODEN ROAD SAINT
 AB9260'MICHELES, BARBADOS, WEST INDIES.  PHONE 809-426-0521 NOTE-- (AREA CODE
 AB9260'WILL CHANGE TO 246 ON 07/01/96) . NOTE--BENCH MARK.  LOCATED 19.4 M
 AB9260'(63.6 FT) EAST OF THE SOUTHEAST CORNER OF A WOOD FRAME HOUSE, 13.3 M
 AB9260'(43.6 FT) WEST-NORTHWEST OF POWER POLE NUMBER 300, AND THE MONUMENT IS
 AB9260'PROJECTING ABOUT 15-CM ABOVE THE GROUND SURFACE.  BY R.G.  HAYES
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:11:12 EDT
 AB9259 ***********************************************************************
 AB9259  DESIGNATION -  TBPB A
 AB9259  PID         -  AB9259
 AB9259  STATE/COUNTY-  BB/PARISH OF BARBADOS
 AB9259  COUNTRY     -  BARBADOS
 AB9259  USGS QUAD   -  
 AB9259
 AB9259                         *CURRENT SURVEY CONTROL
 AB9259  ______________________________________________________________________
 AB9259* NAD 83(2011) POSITION- 13 04 30.48537(N) 059 29 08.26066(W)   ADJUSTED
 AB9259* NAD 83(2011) ELLIP HT-     6.040 (meters)        (06/27/12)   ADJUSTED
 AB9259* NAD 83(2011) EPOCH   -  2010.00
 AB9259* LMSL    ORTHO HEIGHT -    51.9   (meters)      170.    (feet) GPS OBS
 AB9259  ______________________________________________________________________
 AB9259  LMSL orthometric height was determined with geoid model       EGM96
 AB9259  GEOID HEIGHT    -        -48.743 (meters)                     EGM96
 AB9259  GEOID HEIGHT    -        -47.975 (meters)                     EGM08
 AB9259  NAD 83(2011) X  -  3,155,109.848 (meters)                     COMP
 AB9259  NAD 83(2011) Y  - -5,353,242.571 (meters)                     COMP
 AB9259  NAD 83(2011) Z  -  1,433,504.531 (meters)                     COMP
 AB9259  LAPLACE CORR    -         -0.48  (seconds)                    DCAR97
 AB9259
 AB9259  Network accuracy estimates per FGDC Geospatial Positioning Accuracy
 AB9259  Standards:
 AB9259         FGDC (95% conf, cm)     Standard deviation (cm)     CorrNE
 AB9259            Horiz  Ellip           SD_N   SD_E   SD_h      (unitless)
 AB9259  -------------------------------------------------------------------
 AB9259  NETWORK    7.96   5.37           0.78   4.04   2.74     -0.30290812
 AB9259  -------------------------------------------------------------------
 AB9259  Click here for local accuracies and other accuracy information.
 AB9259
 AB9259.The horizontal coordinates were established by GPS observations
 AB9259.and adjusted by the National Geodetic Survey in June 2012.
 AB9259
 AB9259.NAD 83(2011) refers to NAD 83 coordinates where the reference frame has 
 AB9259.been affixed to the stable North American tectonic plate. See 
 AB9259.www.ngs.noaa.gov/web/surveys/NA2011 for more information. 
 AB9259
 AB9259.The horizontal coordinates are valid at the epoch date displayed above
 AB9259.which is a decimal equivalence of Year/Month/Day.
 AB9259
 AB9259.The orthometric height was determined by GPS observations and a
 AB9259.high-resolution geoid model.
 AB9259
 AB9259.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9259
 AB9259.Click photographs - Photos may exist for this station.
 AB9259
 AB9259.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9259
 AB9259.The Laplace correction was computed from DCAR97 derived deflections.
 AB9259
 AB9259.The ellipsoidal height was determined by GPS observations
 AB9259.and is referenced to NAD 83.
 AB9259
 AB9259. The following values were computed from the NAD 83(2011) position.
 AB9259
 AB9259;                    North         East     Units Scale Factor Converg.
 AB9259;UTM  21      - 1,446,767.912   230,460.021   MT  1.00049885   -0 33 45.6
 AB9259
 AB9259!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9259!UTM  21      -   0.99999905  x   1.00049885  =   1.00049790
 AB9259
 AB9259:                Primary Azimuth Mark                     Grid Az
 AB9259:UTM  21      -  TBPB C                                   073 13 41.4
 AB9259
 AB9259_U.S. NATIONAL GRID SPATIAL ADDRESS: 21PTQ3046046767(NAD 83)
 AB9259
 AB9259|---------------------------------------------------------------------|
 AB9259| PID    Reference Object                     Distance      Geod. Az  |
 AB9259|                                                           dddmmss.s |
 AB9259| AB9729 TBPB C                              APPROX. 1.0 KM 0723955.8 |
 AB9259|---------------------------------------------------------------------|
 AB9259
 AB9259                          SUPERSEDED SURVEY CONTROL
 AB9259
 AB9259  NAD 83(2007)-  13 04 30.48438(N)    059 29 08.26566(W) AD(2002.00) 0
 AB9259  ELLIP H (02/10/07)    6.049  (m)                       GP(2002.00)    
 AB9259  NAD 83(1996)-  13 04 30.48347(N)    059 29 08.26941(W) AD(       ) A
 AB9259  ELLIP H (12/09/96)    6.072  (m)                       GP(       ) 1 1
 AB9259
 AB9259.Superseded values are not recommended for survey control.
 AB9259
 AB9259.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
 AB9259.See file dsdata.pdf to determine how the superseded data were derived.
 AB9259
 AB9259_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9259_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
 AB9259_STAMPING: TBPB A 1996
 AB9259_MARK LOGO: NGS
 AB9259_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9259_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD
 AB9259+STABILITY: POSITION/ELEVATION WELL
 AB9259_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9259+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9259
 AB9259  HISTORY     - Date     Condition        Report By
 AB9259  HISTORY     - 1996     MONUMENTED       NGS
 AB9259
 AB9259                          STATION DESCRIPTION
 AB9259
 AB9259'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9259'THE STATION IS LOCATED NEAR THE SOUTHEASTERN END OF THE ISLAND OF
 AB9259'BARBADOS, AT THE GRANTLEY ADAMS INTERNATIONAL AIRPORT.  NEAR THE
 AB9259'CENTER OF THE AIRPORT, IN A GRASS AREA SOUTH OF THE RUNWAY, BETWEEN
 AB9259'THE PERIMETER FENCE AND A GRAVEL SERVICE ROAD, IN LINE WITH A
 AB9259'NORTH-SOUTH SECTION OF THE PERIMETER FENCE, SOUTHEAST OF THE CONTROL
 AB9259'TOWER, SOUTH OF THE TERMINAL BUILDING, WEST-NORTHWEST OF THE (VOR)
 AB9259'TRANSMITTER, SET IN TOP OF AND 0.1 M (0.3 FT) NORTH OF THE SOUTH
 AB9259'CORNER OF A 16 X 16-INCH SQUAR CONCRETE POST SET ON BEDROCK, MARKED
 AB9259'WITH A RED AND WHITE REMOVEABLE METAL POLE ABOUT 12-FOOT HIGH.
 AB9259'OWNERSHIP--STATE OF BARBADOS, P.O.  BOX 4A GRANTLEY ADAMS
 AB9259'INTERNATIONAL AIRPORT, CHRIST CHURCH, BARBADOS, WEST INDIES. TECHNICAL
 AB9259'OFFICER AIR TRAFFIC OPERATIONS REYNOLD G.  ALLMAN, PHONE 809-428-7377
 AB9259'OR 428-7101 EXT.  4207.  HOME 424-6612.  FAX. 809-428-2539.
 AB9259'NOTE--CONTACT TECHNICAL OFFICER AIR TRAFFIC OPERATIONS ON ARRIVAL,
 AB9259'(ESCORT REQUIRED) .  NOTE--THIS STATION WAS SELECTED AS A (PACS) .
 AB9259'NOTE--LOCAL SERVEYORS USED THIS CONCRETE POST AS A BENCH MARK, AND RAN
 AB9259'LEVELS TO THE TOP OF THE CONCRETE POST.  LOCATED APPROXIMATELY 200 M
 AB9259'(656.2 FT) WEST-NORTHWEST OF THE (VOR) , 56.5 M (185.4 FT) NORTH OF A
 AB9259'NORTHEAST CORNER OF AND IN LINE WITH A NORTH-SOUTH SECTION OF THE
 AB9259'PERIMETER FENCE, 30.9 M (101.4 FT) SOUTH OF A GRAVEL SERVICE ROAD
 AB9259'CENTER, AND THE MONUMENT IS ABOUT 2.0 M (6.6 FT) ABOVE THE LEVEL OF
 AB9259'THE RUNWAY AND PROJECTING 0.1 M (0.3 FT) ABOVE THE GROUND SURFACE.  BY
 AB9259'R.G.  HAYES
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:11:12 EDT
 AB9730 ***********************************************************************
 AB9730  DESIGNATION -  TBPB B
 AB9730  PID         -  AB9730
 AB9730  STATE/COUNTY-  BB/PARISH OF BARBADOS
 AB9730  COUNTRY     -  BARBADOS
 AB9730  USGS QUAD   -  
 AB9730
 AB9730                         *CURRENT SURVEY CONTROL
 AB9730  ______________________________________________________________________
 AB9730* NAD 83(1996) POSITION- 13 04 17.71092(N) 059 30 27.31596(W)   ADJUSTED
 AB9730* NAD 83(1996) ELLIP HT-     6.497 (meters)        (01/06/97)   ADJUSTED
 AB9730* LMSL    ORTHO HEIGHT -    52.3   (meters)      172.    (feet) GPS OBS
 AB9730  ______________________________________________________________________
 AB9730  LMSL orthometric height was determined with geoid model       EGM96
 AB9730  GEOID HEIGHT    -        -48.719 (meters)                     EGM96
 AB9730  GEOID HEIGHT    -        -47.936 (meters)                     EGM08
 AB9730  NAD 83(1996) X  -  3,153,103.159 (meters)                     COMP
 AB9730  NAD 83(1996) Y  - -5,354,528.341 (meters)                     COMP
 AB9730  NAD 83(1996) Z  -  1,433,122.239 (meters)                     COMP
 AB9730  LAPLACE CORR    -         -0.27  (seconds)                    DCAR97
 AB9730  HORZ ORDER      -  FIRST
 AB9730  ELLP ORDER      -  FOURTH    CLASS II
 AB9730
 AB9730.The horizontal coordinates were established by GPS observations
 AB9730.and adjusted by the National Geodetic Survey in January 1997.
 AB9730
 AB9730.The orthometric height was determined by GPS observations and a
 AB9730.high-resolution geoid model.
 AB9730
 AB9730.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9730
 AB9730.Click photographs - Photos may exist for this station.
 AB9730
 AB9730.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9730
 AB9730.The Laplace correction was computed from DCAR97 derived deflections.
 AB9730
 AB9730.The ellipsoidal height was determined by GPS observations
 AB9730.and is referenced to NAD 83.
 AB9730
 AB9730. The following values were computed from the NAD 83(1996) position.
 AB9730
 AB9730;                    North         East     Units Scale Factor Converg.
 AB9730;UTM  21      - 1,446,398.662   228,073.454   MT  1.00051484   -0 34 03.0
 AB9730
 AB9730!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9730!UTM  21      -   0.99999898  x   1.00051484  =   1.00051382
 AB9730
 AB9730_U.S. NATIONAL GRID SPATIAL ADDRESS: 21PTQ2807346398(NAD 83)
 AB9730
 AB9730                          SUPERSEDED SURVEY CONTROL
 AB9730
 AB9730.No superseded survey control is available for this station.
 AB9730
 AB9730_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9730_SETTING: 66 = SET IN ROCK OUTCROP
 AB9730_STAMPING: TBPB B 1996
 AB9730_MARK LOGO: NGS
 AB9730_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9730_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD
 AB9730+STABILITY: POSITION/ELEVATION WELL
 AB9730_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9730+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9730
 AB9730  HISTORY     - Date     Condition        Report By
 AB9730  HISTORY     - 1996     MONUMENTED       NGS
 AB9730
 AB9730                          STATION DESCRIPTION
 AB9730
 AB9730'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9730'THE STATION IS LOCATED NEAR THE SOUTHEASTERN END OF THE ISLAND OF
 AB9730'BARBADOS, AT THE GRANTLEY ADAMS INTERNATIONAL AIRPORT.  NEAR THE WEST
 AB9730'END OF THE AIRPORT, IN A GRASS AREA NORTH OF RUNWAY END 09 AND WEST OF
 AB9730'THE MOST WESTERLY TAXI/RAMP (EXIT 2) , SET IN A DRILL HOLE IN A 3 X
 AB9730'4-FOOT AREA OF ROCK OUTCROP.  OWNERSHIP--STATE OF BARBADOS, P.O. BOX
 AB9730'4A GRANTLEY ADAMS INTERNATIONAL AIRPORT, CHRIST CHURCH, BARBADOS, WEST
 AB9730'INDIES.  TECHNICAL OFFICER AIR TRAFFIC OPERATIONS REYNOLD G. ALLMAN,
 AB9730'PHONE 809-428-7377 OR 428-7101 EXT.  4207.  HOME 424-6612. FAX.
 AB9730'809-428-2539.  NOTE--CONTACT TECHNICAL OFFICER AIR TRAFFIC OPERATIONS
 AB9730'ON ARRIVAL, (ESCORT REQUIRED) .  NOTE--THIS STATION WAS SELECTED AS A
 AB9730'(SACS) .  LOCATED 81.3 M (266.7 FT) NORTH OF THE EXTENDED RUNWAY
 AB9730'CENTERLINE, 42.5 M (139.4 FT) WEST OF THE TAXI/RAMP (EXIT 2)
 AB9730'CENTERLINE, AND THE STATION IS ABOUT 0.5 M (1.6 FT) ABOVE THE LEVEL OF
 AB9730'THE TAXI/RAMP AND PROJECTING 0.1 M (0.3 FT) ABOVE THE GROUND SURFACE.
 AB9730'BY R.G.  HAYES
1    National Geodetic Survey, Retrieval Date = MAY 10, 2024 21:11:12 EDT
 AB9729 ***********************************************************************
 AB9729  DESIGNATION -  TBPB C
 AB9729  PID         -  AB9729
 AB9729  STATE/COUNTY-  BB/PARISH OF BARBADOS
 AB9729  COUNTRY     -  BARBADOS
 AB9729  USGS QUAD   -  
 AB9729
 AB9729                         *CURRENT SURVEY CONTROL
 AB9729  ______________________________________________________________________
 AB9729* NAD 83(1996) POSITION- 13 04 39.95192(N) 059 28 37.31998(W)   ADJUSTED
 AB9729* NAD 83(1996) ELLIP HT-     2.312 (meters)        (01/06/97)   ADJUSTED
 AB9729* LMSL    ORTHO HEIGHT -    48.2   (meters)      158.    (feet) GPS OBS
 AB9729  ______________________________________________________________________
 AB9729  LMSL orthometric height was determined with geoid model       EGM96
 AB9729  GEOID HEIGHT    -        -48.747 (meters)                     EGM96
 AB9729  GEOID HEIGHT    -        -47.991 (meters)                     EGM08
 AB9729  NAD 83(1996) X  -  3,155,877.551 (meters)                     COMP
 AB9729  NAD 83(1996) Y  - -5,352,709.403 (meters)                     COMP
 AB9729  NAD 83(1996) Z  -  1,433,787.060 (meters)                     COMP
 AB9729  LAPLACE CORR    -         -0.55  (seconds)                    DCAR97
 AB9729  HORZ ORDER      -  FIRST
 AB9729  ELLP ORDER      -  FOURTH    CLASS II
 AB9729
 AB9729.The horizontal coordinates were established by GPS observations
 AB9729.and adjusted by the National Geodetic Survey in January 1997.
 AB9729
 AB9729.The orthometric height was determined by GPS observations and a
 AB9729.high-resolution geoid model.
 AB9729
 AB9729.Significant digits in the geoid height do not necessarily reflect accuracy.
 AB9729
 AB9729.Click photographs - Photos may exist for this station.
 AB9729
 AB9729.The X, Y, and Z were computed from the position and the ellipsoidal ht.
 AB9729
 AB9729.The Laplace correction was computed from DCAR97 derived deflections.
 AB9729
 AB9729.The ellipsoidal height was determined by GPS observations
 AB9729.and is referenced to NAD 83.
 AB9729
 AB9729. The following values were computed from the NAD 83(1996) position.
 AB9729
 AB9729;                    North         East     Units Scale Factor Converg.
 AB9729;UTM  21      - 1,447,049.815   231,395.392   MT  1.00049262   -0 33 39.0
 AB9729
 AB9729!             -  Elev Factor  x  Scale Factor =   Combined Factor
 AB9729!UTM  21      -   0.99999964  x   1.00049262  =   1.00049226
 AB9729
 AB9729:                Primary Azimuth Mark                     Grid Az
 AB9729:UTM  21      -  TBPB A                                   253 13 41.8
 AB9729
 AB9729_U.S. NATIONAL GRID SPATIAL ADDRESS: 21PTQ3139547049(NAD 83)
 AB9729
 AB9729|---------------------------------------------------------------------|
 AB9729| PID    Reference Object                     Distance      Geod. Az  |
 AB9729|                                                           dddmmss.s |
 AB9729| AB9259 TBPB A                              APPROX. 1.0 KM 2524002.8 |
 AB9729|---------------------------------------------------------------------|
 AB9729
 AB9729                          SUPERSEDED SURVEY CONTROL
 AB9729
 AB9729.No superseded survey control is available for this station.
 AB9729
 AB9729_MARKER: DH = HORIZONTAL CONTROL DISK
 AB9729_SETTING: 66 = SET IN ROCK OUTCROP
 AB9729_STAMPING: TBPB C 1996
 AB9729_MARK LOGO: NGS
 AB9729_MAGNETIC: N = NO MAGNETIC MATERIAL
 AB9729_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD
 AB9729+STABILITY: POSITION/ELEVATION WELL
 AB9729_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
 AB9729+SATELLITE: SATELLITE OBSERVATIONS - 1996
 AB9729
 AB9729  HISTORY     - Date     Condition        Report By
 AB9729  HISTORY     - 1996     MONUMENTED       NGS
 AB9729
 AB9729                          STATION DESCRIPTION
 AB9729
 AB9729'DESCRIBED BY NATIONAL GEODETIC SURVEY 1996 (AJL)
 AB9729'THE STATION IS LOCATED NEAR THE SOUTHEASTERN END OF THE ISLAND OF
 AB9729'BARBADOS, AT THE GRANTLEY ADAMS INTERNATIONAL AIRPORT.  NEAR THE EAST
 AB9729'END OF THE AIRPORT, IN A GRASS AREA SOUTH OF RUNWAY END 27, NORTHWEST
 AB9729'OF A SERVICE ROAD, NORTHEAST OF A WINDSOCK, SET IN A DRILL HOLE IN A 3
 AB9729'X 4-FOOT AREA OF ROCK OUTCROP.  OWNERSHIP--STATE OF BARBADOS, P.O. BOX
 AB9729'4A GRANTLEY ADAMS INTERNATIONAL AIRPORT, CHRIST CHURCH, BARBADOS, WEST
 AB9729'INDIES.  TECHNICAL OFFICER AIR TRAFFIC OPERATIONS REYNOLD G. ALLMAN,
 AB9729'PHONE 809-428-7377 OR 428-7101 EXT.  4207.  HOME 424-6612. FAX.
 AB9729'809-428-2539.  NOTE--CONTACT TECHNICAL OFFICER AIR TRAFFIC OPERATIONS
 AB9729'ON ARRIVAL, (ESCORT REQUIRED) .  NOTE--THIS STATION WAS SELECTED AS A
 AB9729'(SACS) .  LOCATED APPROXIMATELY 115.0 M (377.3 FT) NORTHEAST OF A
 AB9729'WINDSOCK, 40.3 M (132.2 FT) SOUTH-SOUTHWEST OF THE SOUTHEAST CORNER OF
 AB9729'RUNWAY END 27, 39.5 M (129.6 FT) SOUTH OF THE RUNWAY EDGE, 7.1 M (23.3
 AB9729'FT) NORTHWEST OF A SERVICE ROAD CENTER, AND THE STATION IS ABOUT 0.2 M
 AB9729'(0.7 FT) ABOVE THE LEVEL OF THE RUNWAY AND FLUSH WITH THE GROUND
 AB9729'SURFACE.  BY R.G.  HAYES

 *** retrieval complete.
