Brazos County Benchmark System Benchmark = MERL

Location: Deer Forest Road

BM Owner: National Geodetic Survey

For best results contact NGS.

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

Latitude Longitude

Position 30 25 40.23527 (N) 96 27 4.98701 (W) Adjusted GPS

Orthometric Height (M) 103.9 unchecked GPS

Ellip_Height (M) 77.38 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,090,887.15 1,072,836.40 0.99993149 + 01 59 58.0

UTM 14 3,368,953.78 744,786.35 1.00033928 + 01 17 29.0

 

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

3368953.77696 N

744786.36641 E

Elevation 104.063

Convergence 01 17 29.02593

Scale Factor 1.000339277

Combined Factor 1.000322941

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

3090887.14320 N

1072836.41934 E

Elevation 104.063

Convergence 01 59 57.95498

Scale Factor 0.999931494

Combined Factor 0.999915165

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 25 40.23492 N

96 27 04.98622 W

Elevation (m) 104.063

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 25 39.49015 N

96 27 04.10898 W

Elevation 341.31

Datum Shift (m) Delta Lat. = 22.935

Delta Lon. = 23.410