Brazos County Benchmark System Benchmark = BZ 145
Location: State HWY 21
BM Owner: Brazos County
Horz. Datum NAD 83 (1993) Vert. Datum NAVD 88
Latitude Longitude
Position 30 39 26.53791(N) 96 25 33.54907(W) Adjusted GPS
Orthometric Height (M) 80.84 unchecked GPS
Ellip_Height (M) 54.55 GPS
PROJECTION COORDINATES
NORTH EAST SCALE CONVERG.
SPC TX C 3,116,400.59 1,074,381.32 0.99989966 + 02 00 45.1
UTM 14 3,394,457.30 746,645.30 1.00035051 + 01 18 47.4
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
3394457.30551 N
746645.33490 E
Elevation 80.865
Convergence 01 18 47.38086
Scale Factor 1.000350514
Combined Factor 1.000337820
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
3116400.59147 N
1074381.35563 E
Elevation 80.865
Convergence 02 00 45.05110
Scale Factor 0.999899657
Combined Factor 0.999886968
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 39 26.53789 N
96 25 33.54789 W
Elevation (m) 80.865
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 39 25.82330 N
96 25 32.67522 W
Elevation 265.20
Datum Shift (m) Delta Lat. = 22.006
Delta Lon. = 23.233