Brazos County Benchmark System Benchmark = BN72

Location: FM 1179 Villa Maria Road

BM Owner: City of Bryan

For best results contact City of Bryan.

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

Latitude Longitude

Position 30 37 21.12976(N) 96 23 26.50153(W) Adjusted GPS

Orthometric Height (M) 85.884 unchecked GPS

Ellip_Height (M) 59.52 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,112,660.71 1,077,898.15 0.99990347 + 02 01 50.5

UTM 14 3,390,672.99 750,117.76 1.00037180 + 01 19 47.3

 

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

3390673.00159 N

750117.79068 E

Elevation 85.910

Convergence 01 19 47.34784

Scale Factor 1.000371804

Combined Factor 1.000358317

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

3112660.71873 N

1077898.17575 E

Elevation 85.910

Convergence 02 01 50.48805

Scale Factor 0.999903465

Combined Factor 0.999889985

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 37 21.12985 N

96 23 26.50037 W

Elevation (m) 85.910

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 37 20.41117 N

96 23 25.63085 W

Elevation 281.75

Datum Shift (m) Delta Lat. = 22.132

Delta Lon. = 23.158