Brazos County Benchmark System Benchmark = BZ 153

Location: State HWY 60

BM Owner: Brazos County

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

Latitude Longitude

Position 30 33 56.96106(N) 96 24 28.66112(W) Adjusted GPS

Orthometric Height (M) 87.865 unchecked GPS

Ellip_Height (M) 61.41 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,106,319.28 1,076,465.65 0.99991045 + 02 01 18.5

UTM 14 3,384,346.68 748,606.99 1.00036252 + 01 19 7.7

 

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

3384346.67751 N

748607.01662 E

Elevation 87.897

Convergence 01 19 07.68396

Scale Factor 1.000362516

Combined Factor 1.000348717

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

3106319.28030 N

1076465.67702 E

Elevation 87.897

Convergence 02 01 18.47217

Scale Factor 0.999910450

Combined Factor 0.999896658

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 33 56.96098 N

96 24 28.66003 W

Elevation (m) 87.897

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 33 56.23449 N

96 24 27.78888 W

Elevation 288.28

Datum Shift (m) Delta Lat. = 22.372

Delta Lon. = 23.215