Survey Report

Survey Report DY12 Gilwern Hill

12 November 2015

Project Details

General
Project Name: DY12-GilwernHill
Owner: Pedantic
Surveyors: Alan Dawson and Myrddyn Phillips
Date Created: 16/03/2017
Application Software: Infinity 2.1
Master Coordinate System
Coordinate System Name: OSGB36(15)
Transformation Type: Classical 3D
Residual Distribution: None
Ellipsoid: GRS 1980
Projection Type: Transverse Mercator
Geoid Model: OSGM15GB
CSCS Model: OSTN15(GB)
Hill area: WM04 Greatrhos-hergest
Satellites: 5-11 (GPS only)
VDOP: 1.4-3.6

Summary


# Hill name and point Hill number Easting [m] Northing [m] Height [m] Feature Minutes Antenna
height (cm)
Potential
error (cm)
Date/Time
1 Gilwern Hill summit 2198 309,895.550 258,290.307 440.679 Rock by trig 30 87 1 12/11/2015 13:55:43
2 Gilwern Hill West Top summit 15006 308,332.435 257,995.190 409.891 Grass 16 0 4 12/11/2015 15:17:43
3 Gilwern Hill col 2198 314,378.460 260,966.891 293.914 Grass 30 94 5 12/11/2015 16:46:43

Averaged Points Summary

Max. Distance between Average and Measurement:
Position: 0.100 m
Height: 0.100 m
Weighted Average: Yes

# Point ID Easting [m] Northing [m] Height [m] SD Easting [m] SD Northing [m] SD Height [m] Code Code Group Code Attributes Date/Time
1 Gilwern Hill col 314,378.460 260,966.891 293.914 0.002 0.003 0.006 - - - 12/11/2015 16:46:43
Use Source Station Date/Time 3D CQ [m] Pos [m] Hgt [m] Pos & Hgt [m] Easting [m] Northing [m] Height [m]
Auto 3D BREC 12/11/2015 16:46:43 0.006 0.019 0.006 0.020 314,378.457 260,966.910 293.908
Auto 3D SHRE 12/11/2015 16:46:43 0.007 0.010 -0.020 0.023 314,378.450 260,966.891 293.934
Auto 3D SWAS 12/11/2015 16:46:43 0.008 0.011 -0.030 0.032 314,378.471 260,966.890 293.944
Auto 3D ABEP 12/11/2015 16:46:43 0.008 0.008 0.005 0.009 314,378.458 260,966.883 293.909
Auto 3D CARI 12/11/2015 16:46:43 0.006 0.001 0.029 0.029 314,378.460 260,966.890 293.885
Auto 3D DROW 12/11/2015 16:46:43 0.006 0.009 -0.003 0.009 314,378.460 260,966.882 293.917
Auto 3D SHOD 12/11/2015 16:46:43 0.006 0.007 -0.001 0.008 314,378.453 260,966.888 293.916
Auto 3D STRU 12/11/2015 16:46:43 0.006 0.011 0.001 0.011 314,378.469 260,966.885 293.913
Auto 3D MACY 12/11/2015 16:46:43 0.010 0.006 -0.024 0.025 314,378.462 260,966.896 293.938

# Point ID Easting [m] Northing [m] Height [m] SD Easting [m] SD Northing [m] SD Height [m] Code Code Group Code Attributes Date/Time
2 Gilwern Hill summit 309,895.550 258,290.307 440.679 0.002 0.003 0.011 - - - 12/11/2015 13:55:43
Use Source Station Date/Time 3D CQ [m] Pos [m] Hgt [m] Pos & Hgt [m] Easting [m] Northing [m] Height [m]
Auto 3D BREC 12/11/2015 13:55:43 0.004 0.025 0.009 0.026 309,895.542 258,290.331 440.670
Auto 3D SHRE 12/11/2015 13:55:43 0.004 0.013 -0.077 0.078 309,895.548 258,290.294 440.756
Auto 3D MACY 12/11/2015 13:55:43 0.004 0.012 0.015 0.019 309,895.538 258,290.306 440.664
Auto 3D DROW 12/11/2015 13:55:43 0.003 0.003 -0.014 0.014 309,895.549 258,290.310 440.693
Auto 3D STRU 12/11/2015 13:55:43 0.004 0.007 -0.004 0.008 309,895.554 258,290.301 440.684
Auto 3D ABEP 12/11/2015 13:55:43 0.004 0.002 -0.004 0.004 309,895.550 258,290.305 440.683
Auto 3D SHOD 12/11/2015 13:55:43 0.003 0.007 -0.011 0.013 309,895.557 258,290.307 440.691
Auto 3D SWAS 12/11/2015 13:55:43 0.004 0.004 0.046 0.047 309,895.550 258,290.311 440.633
Auto 3D CARI 12/11/2015 13:55:43 0.003 0.010 0.028 0.029 309,895.556 258,290.299 440.652

# Point ID Easting [m] Northing [m] Height [m] SD Easting [m] SD Northing [m] SD Height [m] Code Code Group Code Attributes Date/Time
3 Gilwern Hill West Top summit 308,332.435 257,995.190 409.891 0.002 0.004 0.010 - - - 12/11/2015 15:17:43
Use Source Station Date/Time 3D CQ [m] Pos [m] Hgt [m] Pos & Hgt [m] Easting [m] Northing [m] Height [m]
Auto 3D STRU 12/11/2015 15:17:43 0.005 0.017 -0.006 0.018 308,332.446 257,995.177 409.897
Auto 3D BREC 12/11/2015 15:17:43 0.004 0.015 0.014 0.021 308,332.434 257,995.205 409.877
Auto 3D SHOD 12/11/2015 15:17:43 0.010 0.013 -0.045 0.047 308,332.426 257,995.181 409.936
Auto 3D DROW 12/11/2015 15:17:43 0.003 0.004 -0.013 0.014 308,332.434 257,995.186 409.905
Auto 3D MACY 12/11/2015 15:17:43 0.006 0.009 0.045 0.046 308,332.429 257,995.196 409.846
Auto 3D SHRE 12/11/2015 15:17:43 0.067 0.100 -0.057 0.114 308,332.336 257,995.184 409.948