Brazos County Benchmark System Benchmark = BZ 137
Location: KRC Lane
BM Owner: Brazos County
Horz. Datum NAD 83 (1993) Vert. Datum NAVD 88
Latitude Longitude
Position 30 40 11.39204(N) 96 29 57.49950(W) Adjusted GPS
Orthometric Height (M) 78.411 unchecked GPS
Ellip_Height (M) 52.18 GPS
PROJECTION COORDINATES
NORTH EAST SCALE CONVERG.
SPC TX C 3,117,536.49 1,067,311.45 0.99989838 + 01 58 29.1
UTM 14 3,395,679.89 739,586.77 1.00030817 + 01 16 34.3
All adjustments hereafter, Original Horizontal Coordinates: NAD 83 Geographic
Universal Transverse Mercator Projection,
NAD 83, NAVD 88, Meters
UTM Zone 14
Input Vertical Coordinates: Ellipsoid Height, GRS 80, Meters
Output Vertical Coordinates: Orthometric Height, NAVD88, Meters
3395679.89177 N
739586.79890 E
Elevation 78.420
Convergence 01 16 34.27737
Scale Factor 1.000308166
Combined Factor 1.000295855
State Plane Coordinates. NAD 83, NAVD 88
Texas Central Zone (4203) Meters
Input Vertical Coordinates: Ellipsoid Height, GRS 80, Meters
Output Vertical Coordinates: Orthometric Height, NAVD 88, Meter
3117536.49258 N
1067311.47272 E
Elevation 78.420
Convergence 01 58 29.10097
Scale Factor 0.999898383
Combined Factor 0.999886078
NAD83 and NAVD88, GEOID96 model, GRS80 ellisoid
Input Vertical Coordinates: Ellipsoid Height, GRS 80, Meters
Output Vertical Coordinates: Orthometric Height, NAVD 88, Meters
NAD83 (1993) NAVD88
30 40 11.39199 N
96 29 57.49854 W
Elevation (m) 78.420
NAD27, NGVD29, Mean Sea Level, Clark 1866 Ellipsoid
Input Vertical Coordinates: Ellipsoid Height GRS 80, Meters
Output Vertical Coordinates: MLS, NGVD 29, U.S. Survey Feet
30 40 10.67794 N
96 29 56.61927 W
Elevation 257.18
Datum Shift (m) Delta Lat. = 21.990
Delta Lon. = 23.406