Brazos County Benchmark System Benchmark = BZ 128

Location: Wilcox Lane

BM Owner: Brazos County

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

Latitude Longitude

Position 30 44 24.44011 (N) 96 21 57.43533 (W) Adjusted GPS

Orthometric Height (M) 104.902 unchecked GPS

Ellip_Height (M) 78.68 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,125,771.48 1,079,803.73 0.99989208 + 02 02 36.4

UTM 14 3,403,765.84 752,184.05 1.00038459 + 01 20 49.5

 

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

3403765.83544 N

752184.07967 E

Elevation 104.939

Convergence 01 20 49.52694

Scale Factor 1.000384591

Combined Factor 1.000368117

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

3125771.46937 N

1079803.75633 E

Elevation 104.939

Convergence 02 02 36.36238

Scale Factor 0.999892078

Combined Factor 0.999875612

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 24.43984 N

96 21 57.43419 W

Elevation (m) 104.939

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 23.73714 N

96 21 56.56701 W

Elevation 344.18

Datum Shift (m) Delta Lat. = 21.640

Delta Lon. = 23.068