Brazos County Benchmark System Benchmark = BU1003

Location: Brazos River

BM Owner: Bryan Texas Utilities

For best results contact Bryan Texas Utilities.

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

Latitude Longitude

Position 30 40 16.64514(N) 96 34 54.17307(W) Adjusted GPS

Orthometric Height (M) 76.475 unchecked GPS

Ellip_Height (M) 50.31 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,117,428.97 1,059,413.96 0.99989824 + 01 55 56.3

UTM 14 3,395,668.63 731,685.50 1.00026222 + 01 14 2.9

 

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

3395668.63136 N

731685.52499 E

Elevation 76.469

Convergence 01 14 02.92819

Scale Factor 1.000262222

Combined Factor 1.000250218

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

3117428.97089 N

1059413.97768 E

Elevation 76.469

Convergence 01 55 56.29652

Scale Factor 0.999898237

Combined Factor 0.999886238

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 16.64516 N

96 34 54.17230 W

Elevation (m) 76.469

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 15.93281 N

96 34 53.28109 W

Elevation 250.77

Datum Shift (m) Delta Lat. = 21.937

Delta Lon. = 23.724