Brazos County Benchmark System Benchmark = BZ 163

Location: Old Reliance Road

BM Owner: Brazos County

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

Latitude Longitude

Position 30 44 7.53941(N) 96 16 33.77137(W) Adjusted GPS

Orthometric Height (M) 80.584 unchecked GPS

Ellip_Height (M) 54.29 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,125,561.85 1,088,425.84 0.99989245 + 02 05 23.1

UTM 14 3,403,451.24 760,807.46 1.00043917 + 01 23 34.5

 

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

3403451.23319 N

760807.49594 E

Elevation 80.637

Convergence 01 23 34.54704

Scale Factor 1.000439175

Combined Factor 1.000426515

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

3125561.83634 N

1088425.88063 E

Elevation 80.637

Convergence 02 05 23.06857

Scale Factor 0.999892453

Combined Factor 0.999879800

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 44 07.53902 N

96 16 33.76986 W

Elevation (m) 80.637

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 44 06.83701 N

96 16 32.91076 W

Elevation 264.47

Datum Shift (m) Delta Lat. = 21.619

Delta Lon. = 22.854