Brazos County Benchmark System Benchmark = BZ 139
Location: Mumford Rd
BM Owner: Brazos County
Horz. Datum NAD 83 (1993) Vert. Datum NAVD 88
Latitude Longitude
Position 30 42 49.15855(N) 96 25 45.73814(W) Adjusted GPS
Orthometric Height (M) 96.307 unchecked GPS
Ellip_Height (M) 70.09 GPS
PROJECTION COORDINATES
NORTH EAST SCALE CONVERG.
SPC TX C 3,122,624.53 1,073,838.13 0.99989428 + 02 00 38.8
UTM 14 3,400,690.22 746,177.78 1.00034766 + 01 18 49.0
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
3400690.21819 N
746177.81304 E
Elevation 96.328
Convergence 01 18 48.97515
Scale Factor 1.000347663
Combined Factor 1.000332541
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
3122624.52904 N
1073838.15604 E
Elevation 96.328
Convergence 02 00 38.77297
Scale Factor 0.999894277
Combined Factor 0.999879162
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 42 49.15832 N
96 25 45.73705 W
Elevation (m) 96.328
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 42 48.45117 N
96 25 44.86414 W
Elevation 315.92
Datum Shift (m) Delta Lat. = 21.777
Delta Lon. = 23.226