Brazos County Benchmark System Benchmark = BZ 120

Location: Harris Lane

BM Owner: Brazos County

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

Latitude Longitude

Position 30 47 34.84881 (N) 96 19 52.81319 (W) Adjusted GPS

Orthometric Height (M) 100.001 unchecked GPS

Ellip_Height (M) 73.83 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,131,749.56 1,082,905.38 0.99988832 + 02 03 40.5

UTM 14 3,409,708.84 755,359.63 1.00040447 + 01 22 1.0

 

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

3409708.83543 N

755359.65684 E

Elevation 100.060

Convergence 01 22 00.95089

Scale Factor 1.000404469

Combined Factor 1.000388760

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

3131749.55406 N

1082905.41247 E

Elevation 100.060

Convergence 02 03 40.55011

Scale Factor 0.999888319

Combined Factor 0.999872618

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 47 34.84844 N

96 19 52.81207 W

Elevation (m) 100.060

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 47 34.15243 N

96 19 51.94767 W

Elevation 328.18

Datum Shift (m) Delta Lat. = 21.434

Delta Lon. = 22.981