Brazos County Benchmark System Benchmark = BZ 188

Location: FM 159

BM Owner: Brazos County

Horz. Datum NAD 83 (1993) Vert. Datum NAVD 88

Latitude Longitude

Position 30 23 53.15876(N) 96 14 26.51083(W) Adjusted GPS

Orthometric Height (M) 61.203 unchecked GPS

Ellip_Height (M) 34.34 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,088,317.55 1,093,184.00 0.99993678 + 02 06 28.6

UTM 14 3,366,131.11 765,110.09 1.00046716 + 01 23 49.3

 

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

3366131.10267 N

765110.10907 E

Elevation 61.283

Convergence 01 23 49.33336

Scale Factor 1.000467156

Combined Factor 1.000457534

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

3088317.53886 N

1093184.02608 E

Elevation 61.283

Convergence 02 06 28.61490

Scale Factor 0.999936783

Combined Factor 0.999927166

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 23 53.15827 N

96 14 26.50999 W

Elevation (m) 61.283

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 23 52.41266 N

96 14 25.65175 W

Elevation 200.99

Datum Shift (m) Delta Lat. = 22.960

Delta Lon. = 22.910