Brazos County Benchmark System Benchmark = ZULC

Location: Madison County Road 350

BM Owner: National Geodetic Survey

For best results contact NGS.

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

Latitude Longitude

Position 30 56 39.23195 (N) 96 10 5.64230 (W) Adjusted GPS

Orthometric Height (M) 119.961 unchecked GPS

Ellip_Height (M) 93.79 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,149,073.80 1,097,876.20 0.99988224 + 02 08 43.0

UTM 14 3,426,860.93 770,547.03 1.00050299 + 01 27 25.2

 

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

3426860.93300 N

770547.05762 E

Elevation 120.043

Convergence 01 27 25.16343

Scale Factor 1.000502992

Combined Factor 1.000484144

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

3149073.80880 N

1097876.23133 E

Elevation 120.043

Convergence 02 08 42.97771

Scale Factor 0.999882239

Combined Factor 0.999863403

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 56 39.23206 N

96 10 05.64114 W

Elevation (m) 120.043

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 56 38.55282 N

96 10 04.78925 W

Elevation 393.77

Datum Shift (m) Delta Lat. = 20.919

Delta Lon. = 22.613