Brazos County Benchmark System Benchmark = BZ 141

Location: Pleasant Hill Rd

BM Owner: Brazos County

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

Latitude Longitude

Position 30 40 4.97896(N) 96 26 33.51054(W) Adjusted GPS

Orthometric Height (M) 90.516 unchecked GPS

Ellip_Height (M) 64.25 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,117,527.62 1,072,744.70 0.99989856 + 02 00 14.2

UTM 14 3,395,604.73 745,021.83 1.00034066 + 01 18 18.2

 

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

3395604.73153 N

745021.85737 E

Elevation 90.538

Convergence 01 18 18.23633

Scale Factor 1.000340664

Combined Factor 1.000326451

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

3117527.62000 N

1072744.72945 E

Elevation 90.538

Convergence 02 00 14.16740

Scale Factor 0.999898563

Combined Factor 0.999884356

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 04.97887 N

96 26 33.50939 W

Elevation (m) 90.538

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 04.26545 N

96 26 32.63523 W

Elevation 296.93

Datum Shift (m) Delta Lat. = 21.970

Delta Lon. = 23.271