1 National Geodetic Survey, Retrieval Date = OCTOBER 3, 2005 BG1287 *********************************************************************** BG1287 CBN - This is a Cooperative Base Network Control Station. BG1287 DESIGNATION - Q 125 BG1287 PID - BG1287 BG1287 STATE/COUNTY- FL/WALTON BG1287 USGS QUAD - MOSSY HEAD (1987) BG1287 BG1287 *CURRENT SURVEY CONTROL BG1287 ___________________________________________________________________ BG1287* NAD 83(1999)- 30 44 22.71976(N) 086 19 57.98843(W) ADJUSTED BG1287* NAVD 88 - 76.053 (meters) 249.52 (feet) ADJUSTED BG1287 ___________________________________________________________________ BG1287 X - 350,946.544 (meters) COMP BG1287 Y - -5,475,608.308 (meters) COMP BG1287 Z - 3,241,142.699 (meters) COMP BG1287 LAPLACE CORR- -0.82 (seconds) DEFLEC99 BG1287 ELLIP HEIGHT- 48.77 (meters) (01/22/02) GPS OBS BG1287 GEOID HEIGHT- -27.30 (meters) GEOID03 BG1287 DYNAMIC HT - 75.956 (meters) 249.20 (feet) COMP BG1287 MODELED GRAV- 979,360.0 (mgal) NAVD 88 BG1287 BG1287 HORZ ORDER - B BG1287 VERT ORDER - FIRST CLASS II BG1287 ELLP ORDER - THIRD CLASS I BG1287 BG1287.The horizontal coordinates were established by GPS observations BG1287.and adjusted by the National Geodetic Survey in May 2001. BG1287 BG1287.The orthometric height was determined by differential leveling BG1287.and adjusted by the National Geodetic Survey in June 1991. BG1287 BG1287.Photographs are available for this station. BG1287 BG1287.The X, Y, and Z were computed from the position and the ellipsoidal ht. BG1287 BG1287.The Laplace correction was computed from DEFLEC99 derived deflections. BG1287 BG1287.The ellipsoidal height was determined by GPS observations BG1287.and is referenced to NAD 83. BG1287 BG1287.The geoid height was determined by GEOID03. BG1287 BG1287.The dynamic height is computed by dividing the NAVD 88 BG1287.geopotential number by the normal gravity value computed on the BG1287.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 BG1287.degrees latitude (g = 980.6199 gals.). BG1287 BG1287.The modeled gravity was interpolated from observed gravity values. BG1287 BG1287; North East Units Scale Factor Converg. BG1287;SPC FL N - 194,250.700 424,496.345 MT 0.99999818 -0 55 15.7 BG1287;UTM 16 - 3,400,938.668 563,870.479 MT 0.99965032 +0 20 27.8 BG1287 BG1287! - Elev Factor x Scale Factor = Combined Factor BG1287!SPC FL N - 0.99999234 x 0.99999818 = 0.99999052 BG1287!UTM 16 - 0.99999234 x 0.99965032 = 0.99964266 BG1287 BG1287 SUPERSEDED SURVEY CONTROL BG1287 BG1287 ELLIP H (05/31/01) 48.74 (m) GP( ) 5 1 BG1287 NAD 83(1990)- 30 44 22.71951(N) 086 19 57.98750(W) AD( ) B BG1287 ELLIP H (09/13/90) 48.88 (m) GP( ) 4 1 BG1287 NAVD 88 (05/15/92) 76.05 (m) 249.5 (f) LEVELING 3 BG1287 NGVD 29 (??/??/92) 76.143 (m) 249.81 (f) ADJ UNCH 1 2 BG1287 BG1287.Superseded values are not recommended for survey control. BG1287.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. BG1287.See file dsdata.txt to determine how the superseded data were derived. BG1287 BG1287_U.S. NATIONAL GRID SPATIAL ADDRESS: 16REV6387000939(NAD 83) BG1287_MARKER: DB = BENCH MARK DISK BG1287_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT BG1287_SP_SET: CONCRETE POST BG1287_STAMPING: Q 125 1951 BG1287_MARK LOGO: CGS BG1287_PROJECTION: PROJECTING 1 CENTIMETERS BG1287_MAGNETIC: N = NO MAGNETIC MATERIAL BG1287_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO BG1287+STABILITY: SURFACE MOTION BG1287_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR BG1287+SATELLITE: SATELLITE OBSERVATIONS - January 05, 2005 BG1287 BG1287 HISTORY - Date Condition Report By BG1287 HISTORY - 1951 MONUMENTED CGS BG1287 HISTORY - 1965 GOOD NGS BG1287 HISTORY - 1988 GOOD USPSQD BG1287 HISTORY - 1988 GOOD NGS BG1287 HISTORY - 19890317 GOOD BG1287 HISTORY - 19910206 GOOD FL-091 BG1287 HISTORY - 20001205 GOOD DCJOHN BG1287 HISTORY - 20030530 GOOD NGS BG1287 HISTORY - 20040622 GOOD ALDOT BG1287 HISTORY - 20050105 GOOD OKCOGI BG1287 BG1287 STATION DESCRIPTION BG1287 BG1287'DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 BG1287'0.6 MI W FROM MOSSY HEAD. BG1287'0.65 MILE W ALONG U.S. 90 HWY. AND LOUISVILLE AND NASHVILLE RAILROAD BG1287'FROM THE ROAD CROSSING AT MOSSY HEAD, ABOUT 0.95 MILE E OF THE BG1287'CROSSING OF NO. S 285 FLORIDA HWY., 55 FEET SSE OF CENTER LINE BG1287'OF 24-FOOT HWY. PAVEMENT, 1.7 FEET LOWER THAN SAME, 42 FEET NNW BG1287'OF NO. 716 R.R. MILEPOST, 30.3 FEET ESE OF NO. 418 TELEPHONE BG1287'POLE, 26.8 FEET NNW OF N RAIL, 1.7 FEET LOWER THAN TOP OF SAME, BG1287'1.8 FEET E OF STEEL WITNESS POST, AND PROJECTING 0.1 FOOT ABOVE BG1287'GROUND. BG1287 BG1287 STATION RECOVERY (1988) BG1287 BG1287'RECOVERY NOTE BY US POWER SQUADRON 1988 (LDW) BG1287'RECOVERED IN GOOD CONDITION. BG1287 BG1287 STATION RECOVERY (1988) BG1287 BG1287'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 BG1287'THE STATION IS LOCATED ABOUT 20.92 KM (13.00 MI) NORTHEAST OF BG1287'NICEVILLE, 20.92 KM (13.00 MI) EAST-SOUTHEAST OF CRESTVIEW, 1.13 KM BG1287'(0.70 MI) WEST-SOUTHWEST OF MOSSY HEAD, BETWEEN U.S. HIGHWAY 90 AND BG1287'RAILROAD, NEAR RAILROAD MILEPOST 716, IN THE SOUTH CENTRAL PART OF BG1287'SECTION 22, T 3 N, R 21 W. OWNERSHIP--RAILROAD RIGHT-OF-WAY. BG1287'TO REACH THE STATION FROM THE INTERSTATE HIGHWAY 10 WESTBOUND LANES BG1287'BRIDGE OVER STATE HIGHWAY 85 (EXIT 13), ABOUT 19.31 KM (12.00 MI) BG1287'EAST-SOUTHEAST OF CRESTVIEW, GO NORTHEAST FOR 0.48 KM (0.30 MI) ON BG1287'HIGHWAY 85 TO A T-JUNCTION. TURN RIGHT AND GO EAST-NORTHEAST FOR 1.53 BG1287'KM (0.95 MI) ON U.S. HIGHWAY 90 TO RAILROAD MILEPOST 716 AND THE BG1287'STATION ON RIGHT. BG1287'THE STATION PROJECTS 1 CM ABOVE GROUND. LOCATED 33.10 M (108.6 FT) BG1287'WEST-SOUTHWEST FROM A UTILITY POLE, 24.90 M (81.7 FT) EAST-NORTHEAST BG1287'FROM A UTILITY POLE, 16.76 M (55.0 FT) SOUTH-SOUTHEAST FROM THE BG1287'APPROXIMATE CENTER OF HIGHWAY, 13.41 M (44.0 FT) NORTH FROM RAILROAD BG1287'MILEPOST 716, 10.36 M (34.0 FT) SOUTHWEST FROM A TELEPHONE CABLE BG1287'PEDESTAL, 8.11 M (26.6 FT) NORTH-NORTHWEST FROM THE NORTH RAIL OF BG1287'RAILROAD, 0.67 M (2.2 FT) WEST FROM A CARSONITE WITNESS POST AND 0.58 BG1287'M (1.9 FT) EAST FROM A METAL WITNESS POST. BG1287'DESCRIBED BY D.F. CALLAHAN. BG1287 BG1287 STATION RECOVERY (1989) BG1287 BG1287'RECOVERED 1989 BG1287'RECOVERED IN GOOD CONDITION. BG1287 BG1287 STATION RECOVERY (1991) BG1287 BG1287'RECOVERY NOTE BY OKALOOSA COUNTY FLORIDA 1991 BG1287'RECOVERED IN GOOD CONDITION. BG1287 BG1287 STATION RECOVERY (2000) BG1287 BG1287'RECOVERY NOTE BY DC JOHNSON ASSOC 2000 (ARG) BG1287'RECOVERED AS DESCRIBED BG1287 BG1287 STATION RECOVERY (2003) BG1287 BG1287'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2003 (AJL) BG1287'RECOVERED AS DESCRIBED. BG1287' BG1287 BG1287 STATION RECOVERY (2004) BG1287 BG1287'RECOVERY NOTE BY ALABAMA DEPARTMENT OF TRANSPORTATION 2004 (WB) BG1287'RECOVERED AS DESCRIBED. BG1287 BG1287 STATION RECOVERY (2005) BG1287 BG1287'RECOVERY NOTE BY OKALOOSA COUNTY GIS 2005 BG1287'RECOVERED IN GOOD CONDITION.