Brazos County Benchmark System Benchmark = BZ 109
Location: State Hwy 21
BM Owner: Brazos County
Horz. Datum NAD 83 (1993) Vert. Datum NAVD 88
Latitude Longitude
Position 30 52 8.64294 (N) 96 11 34.03808 (W) Adjusted GPS
Orthometric Height (M) 75.276 unchecked GPS
Ellip_Height (M) 49.05 GPS
PROJECTION COORDINATES
NORTH EAST SCALE CONVERG.
SPC TX C 3,140,659.75 1,095,841.77 0.99988440 + 02 07 57.4
UTM 14 3,418,466.84 768,410.12 1.00048880 + 01 26 28.3
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
3418466.84376 N
768410.15852 E
Elevation 75.350
Convergence 01 26 28.25094
Scale Factor 1.000488796
Combined Factor 1.000476965
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
3140659.75537 N
1095841.79999 E
Elevation 75.35
Convergence 02 07 57.44875
Scale Factor 0.999884396
Combined Factor 0.999872572
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 52 08.64291 N
96 11 34.03679 W
Elevation (m) 75.350
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 52 07.95613 N
96 11 33.18381 W
Elevation 247.15
Datum Shift (m) Delta Lat. = 21.150
Delta Lon. = 22.660