Brazos County Benchmark System Benchmark = BVDC2007

Location: Robertson County Road 205

BM Owner: BVDC

For best results contact BVDC.

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

Latitude Longitude

Position 30 46 30.01787(N) 96 29 37.60808(W) Adjusted GPS

Orthometric Height (M) 98.712 unchecked GPS

Ellip_Height (M) 72.61 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,129,206.63 1,067,438.26 0.99988950 + 01 58 39.3

UTM 14 3,407,352.47 739,855.56 1.00030974 + 01 16 58.7

 

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

3407352.47271 N

739855.58547 E

Elevation 98.730

Convergence 01 16 58.67754

Scale Factor 1.000309740

Combined Factor 1.000294242

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

3129206.63166 N

1067438.27601 E

Elevation 98.730

Convergence 01 58 39.34613

Scale Factor 0.999889504

Combined Factor 0.999874012

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 46 30.01777 N

96 29 37.60731 W

Elevation (m) 98.730

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 46 29.31757 N

96 29 36.72864 W

Elevation 323.80

Datum Shift (m) Delta Lat. = 21.563

Delta Lon. = 23.365