Brazos County Benchmark System Benchmark = BZ 118

Location: Alexander Rd

BM Owner: Brazos County

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

Latitude Longitude

Position 30 47 8.02265 (N) 96 23 12.65546 (W) Adjusted GPS

Orthometric Height (M) 102.659 unchecked GPS

Ellip_Height (M) 76.51 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,130,734.28 1,077,625.64 0.99988880 + 02 01 57.6

UTM 14 3,408,757.15 750,065.33 1.00037145 + 01 20 17.4

 

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

3408757.14616 N

750065.35150 E

Elevation 102.707

Convergence 01 20 17.42981

Scale Factor 1.000371454

Combined Factor 1.000355330

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

3130734.27711 N

1077625.66673 E

Elevation 102.707

Convergence 02 01 57.61950

Scale Factor 0.999888797

Combined Factor 0.999872681

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 08.02244 N

96 23 12.65448 W

Elevation (m) 102.707

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 07.32488 N

96 23 11.78524 W

Elevation 336.85

Datum Shift (m) Delta Lat. = 21.482

Delta Lon. = 23.111