Brazos County Benchmark System Benchmark = BZ 111

Location: Sand Creek Rd

BM Owner: Brazos County

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

Latitude Longitude

Position 30 50 10.25032(N) 96 15 41.85207 (W) Adjusted GPS

Orthometric Height (M) 106.206 unchecked GPS

Ellip_Height (M) 80.02 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,136,773.64 1,089,397.21 0.99988588 + 02 05 49.8

UTM 14 3,414,656.63 761,915.32 1.00044630 + 01 24 16.0

 

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

3414656.63050 N

761915.34663 E

Elevation 106.269

Convergence 01 24 16.02164

Scale Factor 1.000446303

Combined Factor 1.000429619

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

3136773.63322 N

1089397.23856 E

Elevation 106.269

Convergence 02 05 49.80989

Scale Factor 0.999885877

Combined Factor 0.999869203

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 50 10.25016 N

96 15 41.85090 W

Elevation (m) 106.269

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 50 09.55976 N

96 15 40.99214 W

Elevation 348.56

Datum Shift (m) Delta Lat. = 21.262

Delta Lon. = 22.821