GPS Calibration Report Project : r2632aa_vrs_calibration TIP Number R-2632AA User name jjeffreys Date & Time 4:18:29 PM 5/19/2010 Coordinate System US State Plane 1983 Zone North Carolina 3200 Horizontal Datum NAD 1983 (Conus) Vertical Datum NGVD-29 Geoid Model G09NC Coordinate Units US survey feet Distance Units US survey feet Height Units US survey feet ------------------------------------------------------------------------------------------ LOCAL SITE INFORMATION Localized around N/A Latitude N/A Longitude N/A Site Scale Factor N/A Height N/A ------------------------------------------------------------------------------------------ The North Carolina Department of Transportation uses a Localized Coordinate System which is very similar to North Carolina Zone 3200 from which it is derived. Please take care in utilizing these coordinates to eliminate confusion of the two systems. This file is to aid in the use of Real Time Kinematic (RTK) GPS during construction layout. ------------------------------------------------------------------------------------------ Datum Transformation Parameters Datum Transformation computation not requested Updated Default Projection (Transverse Mercator) Definition Updated default projection not requested ------------------------------------------------------------------------------------------ Horizontal Adjustment Parameters Northing coordinate of rotation center 620778.227sft Easting coordinate of rotation center 1446474.645sft Rotation about the center point 0°00'04" Translation north 2.033sft Translation east -0.122sft Scale factor 1.00018194 ------------------------------------------------------------------------------------------ Vertical Adjustment Parameters Northing coordinate of origin point 620753.670sft Easting coordinate of origin point 1447929.563sft Vertical separation at origin 0.805sft Slope north 23.863ppm Slope east -1.836ppm ------------------------------------------------------------------------------------------ Geoid Model Definition G09NC ------------------------------------------------------------------------------------------ Residual Differences Between GPS (WGS84) And Local Coordinates Summary Maximum error Root Mean Square error Point Horizontal 0.100sft 0.014 MA_BL-5_gps Vertical 0.074sft 0.013 R2632A-4_gps Three-dimensional 0.100sft 0.016 MA_BL-5_gps Point Residuals WGS84 Coordinates Calculated point Local Coordinates FOR DISPLAY ONLY Point BLYTHE_gps Northing 620753.670sft Point BLYTHE Latitude 35°26'29.26450"N Easting 1447929.563sft Northing 620753.654sft Longitude 80°51'13.11174"W Elevation 812.164sft Easting 1447929.619sft Height 709.821sft Horz error 0.058sft Elevation 812.120sft Vert error 0.044sft Utilized Horz and Vert 3D error 0.073sft Quality Survey quality Point THREEDEE_gps Northing 620315.953sft Point THREEDEE Latitude 35°26'25.65134"N Easting 1451810.681sft Northing 620315.986sft Longitude 80°50'26.12018"W Elevation 812.390sft Easting 1451810.651sft Height 710.152sft Horz error 0.045sft Elevation 812.450sft Vert error 0.060sft Utilized Horz and Vert 3D error 0.074sft Quality Survey quality Point MA_BL-1_gps Northing 622456.770sft Point MA_BL-1 Latitude 35°26'45.40566"N Easting 1444163.387sft Northing 622456.672sft Longitude 80°51'59.00343"W Elevation 730.271sft Easting 1444163.360sft Height 627.754sft Horz error ? Elevation 730.240sft Vert error 0.031sft Utilized Vertical 3D error 0.031sft Quality Survey quality Point MA_BL-2_gps Northing 621603.150sft Point MA_BL-2 Latitude 35°26'36.98121"N Easting 1444248.515sft Northing 621603.097sft Longitude 80°51'57.78073"W Elevation 763.175sft Easting 1444248.482sft Height 660.705sft Horz error 0.063sft Elevation 762.996sft Vert error ? Utilized Horizontal 3D error 0.063sft Quality Survey quality Point MA_BL-3_gps Northing 621144.224sft Point MA_BL-3 Latitude 35°26'32.48339"N Easting 1444462.913sft Northing 621144.180sft Longitude 80°51'55.08591"W Elevation 770.794sft Easting 1444462.895sft Height 668.353sft Horz error 0.047sft Elevation 770.651sft Vert error ? Utilized Horizontal 3D error 0.047sft Quality Survey quality Point MA_BL-4_gps Northing 620574.786sft Point MA_BL-4 Latitude 35°26'26.85438"N Easting 1444470.392sft Northing 620574.823sft Longitude 80°51'54.86612"W Elevation 760.706sft Easting 1444470.350sft Height 658.296sft Horz error 0.056sft Elevation 760.810sft Vert error ? Utilized Horizontal 3D error 0.056sft Quality Survey quality Point MA_BL-5_gps Northing 619555.355sft Point MA_BL-5 Latitude 35°26'16.76059"N Easting 1444395.141sft Northing 619555.454sft Longitude 80°51'55.54361"W Elevation 760.227sft Easting 1444395.156sft Height 657.869sft Horz error 0.100sft Elevation 760.260sft Vert error ? Utilized Horizontal 3D error 0.100sft Quality Survey quality Point MA_BY1-8_gps Northing 621040.162sft Point MA_BY1-8 Latitude 35°26'31.41142"N Easting 1444231.552sft Northing 621040.163sft Longitude 80°51'57.85767"W Elevation 768.544sft Easting 1444231.565sft Height 666.103sft Horz error 0.013sft Elevation 768.580sft Vert error 0.036sft Utilized Horz and Vert 3D error 0.038sft Quality Survey quality Point MA_BY1-7_gps Northing 620993.304sft Point MA_BY1-7 Latitude 35°26'31.09571"N Easting 1445025.376sft Northing 620993.337sft Longitude 80°51'48.25567"W Elevation 761.444sft Easting 1445025.382sft Height 659.023sft Horz error 0.034sft Elevation 761.299sft Vert error ? Utilized Horizontal 3D error 0.034sft Quality Survey quality Point MA_BY1-6_gps Northing 620987.173sft Point MA_BY1-6 Latitude 35°26'31.17377"N Easting 1445772.244sft Northing 620987.186sft Longitude 80°51'39.23027"W Elevation 770.160sft Easting 1445772.215sft Height 667.756sft Horz error 0.032sft Elevation 770.004sft Vert error ? Utilized Horizontal 3D error 0.032sft Quality Survey quality Point MA_BY1-10_gps Northing 620906.919sft Point MA_BY1-10 Latitude 35°26'30.50890"N Easting 1446466.011sft Northing 620906.903sft Longitude 80°51'30.82967"W Elevation 788.918sft Easting 1446466.022sft Height 686.533sft Horz error 0.020sft Elevation 788.862sft Vert error 0.056sft Utilized Horz and Vert 3D error 0.059sft Quality Survey quality Point BL-201_gps Northing 620886.960sft Point BL-201 Latitude 35°26'30.23771"N Easting 1446067.699sft Northing 620886.918sft Longitude 80°51'35.63773"W Elevation 780.280sft Easting 1446067.669sft Height 677.887sft Horz error 0.052sft Elevation 780.164sft Vert error ? Utilized Horizontal 3D error 0.052sft Quality Survey quality Point BL-202_gps Northing 620842.346sft Point BL-202 Latitude 35°26'29.86360"N Easting 1446429.177sft Northing 620842.333sft Longitude 80°51'31.26009"W Elevation 788.927sft Easting 1446429.178sft Height 686.545sft Horz error 0.013sft Elevation 788.863sft Vert error 0.064sft Utilized Horz and Vert 3D error 0.065sft Quality Survey quality Point BL-203_gps Northing 620780.470sft Point BL-203 Latitude 35°26'29.36349"N Easting 1447032.227sft Northing 620780.460sft Longitude 80°51'23.95978"W Elevation 799.115sft Easting 1447032.235sft Height 696.751sft Horz error 0.013sft Elevation 799.086sft Vert error 0.029sft Utilized Horz and Vert 3D error 0.032sft Quality Survey quality Point BL-204_gps Northing 620798.452sft Point BL-204 Latitude 35°26'29.65401"N Easting 1447641.396sft Northing 620798.450sft Longitude 80°51'16.60361"W Elevation 807.674sft Easting 1447641.434sft Height 705.322sft Horz error 0.038sft Elevation 807.695sft Vert error 0.021sft Utilized Horz and Vert 3D error 0.044sft Quality Survey quality Point BL-205_gps Northing 620737.702sft Point BL-205 Latitude 35°26'29.17251"N Easting 1448286.163sft Northing 620737.714sft Longitude 80°51'08.79954"W Elevation 810.787sft Easting 1448286.187sft Height 708.452sft Horz error 0.026sft Elevation 810.695sft Vert error ? Utilized Horizontal 3D error 0.026sft Quality Survey quality Point BL-206_gps Northing 620563.534sft Point BL-206 Latitude 35°26'27.64179"N Easting 1449323.317sft Northing 620563.504sft Longitude 80°50'56.22898"W Elevation 798.828sft Easting 1449323.326sft Height 696.525sft Horz error 0.032sft Elevation 798.878sft Vert error 0.050sft Utilized Horz and Vert 3D error 0.059sft Quality Survey quality Point R2632A-3_gps Northing 621436.087sft Point R2632A-3 Latitude 35°26'35.28303"N Easting 1443999.665sft Northing 621436.087sft Longitude 80°52'00.74950"W Elevation 757.718sft Easting 1443999.665sft Height 655.251sft Horz error ? Elevation 757.720sft Vert error 0.002sft Utilized Vertical 3D error 0.002sft Quality Survey quality Point R2632A-4_gps Northing 622281.569sft Point R2632A-4 Latitude 35°26'43.63446"N Easting 1443954.556sft Northing 622281.569sft Longitude 80°52'01.48689"W Elevation 729.146sft Easting 1443954.556sft Height 626.633sft Horz error ? Elevation 729.220sft Vert error 0.074sft Utilized Vertical 3D error 0.074sft Quality Survey quality Point R2632A-5_gps Northing 621545.180sft Point R2632A-5 Latitude 35°26'36.71858"N Easting 1445920.057sft Northing 621545.180sft Longitude 80°51'37.57081"W Elevation 780.372sft Easting 1445920.057sft Height 677.941sft Horz error ? Elevation 780.380sft Vert error 0.008sft Utilized Vertical 3D error 0.008sft Quality Survey quality Point R2632A-6_gps Northing 621395.990sft Point R2632A-6 Latitude 35°26'35.43310"N Easting 1446943.343sft Northing 621395.990sft Longitude 80°51'25.17299"W Elevation 790.328sft Easting 1446943.343sft Height 687.928sft Horz error ? Elevation 790.350sft Vert error 0.022sft Utilized Vertical 3D error 0.022sft Quality Survey quality Point R2632A-7_gps Northing 620911.750sft Point R2632A-7 Latitude 35°26'31.35190"N Easting 1450773.702sft Northing 620911.765sft Longitude 80°50'38.78314"W Elevation 810.612sft Easting 1450773.750sft Height 708.321sft Horz error ? Elevation 810.702sft Vert error 0.012sft Utilized Vertical 3D error 0.012sft Quality Survey quality Point R2632A-8_gps Northing 621883.202sft Point R2632A-8 Latitude 35°26'40.97251"N Easting 1450856.376sft Northing 621883.202sft Longitude 80°50'38.00249"W Elevation 815.626sft Easting 1450856.376sft Height 713.285sft Horz error ? Elevation 815.590sft Vert error 0.036sft Utilized Vertical 3D error 0.036sft Quality Survey quality ------------------------------------------------------------------------------------------