Survey Report

Survey Report O421 Cranstackie

21 April 2026

Project Details

General
Project Name: O421-Cranstackie
Owner: Pedantic
Lead Surveyor: Alan Dawson
Date Created: 21/04/2026
Application Software: Infinity 2.3
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: HN01 Foinaven-hee
Satellites: 7-15
VDOP: 0.8-4.4

Summary


# Hill name and point Hill number Easting [m] Northing [m] Height [m] Feature Minutes Antenna
height (cm)
Potential
error (cm)
Date/Time
1 Beinn Spionnaidh summit 1131 236,142.790 957,202.380 773.728 Rock 14 1 1 21/04/2026 15:38:42
2 Beinn Spionnaidh alt summit 1131 236,198.751 957,302.416 773.711 Rock near trig 16 1 1 21/04/2026 15:59:12
3 Beinn Spionnaidh col 1131 235,707.702 956,174.288 562.606 Tussock 16 28 15 21/04/2026 16:57:12
4 Cranstackie summit 1128 235,058.511 955,601.961 801.857 Rock by cairn 21 21 15 21/04/2026 17:59:12

Averaged Points Summary

Max. Distance between Average and Measurement:
Position: 0.500 m
Height: 0.120 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 Beinn Spionnaidh alt summit 236,198.751 957,302.416 773.711 0.002 0.003 0.005 - - - 21/04/2026 15:59:12
Use Source Station Date/Time 3D CQ [m] Pos. [m] Height [m] Pos. & Height [m] Easting [m] Northing [m] Height [m]
Auto 3D KINL 21/04/2026 15:59:12 0.003 0.006 -0.004 0.008 236,198.757 957,302.418 773.715
Auto 3D KIRW 21/04/2026 15:59:12 0.005 0.009 0.012 0.015 236,198.756 957,302.408 773.699
Auto 3D ULLO 21/04/2026 15:59:12 0.006 0.012 0.006 0.013 236,198.739 957,302.416 773.705
Auto 3D THUS 21/04/2026 15:59:12 0.006 0.003 0.013 0.014 236,198.752 957,302.413 773.698
Auto 3D STOR 21/04/2026 15:59:12 0.005 0.018 0.010 0.020 236,198.764 957,302.428 773.701
Auto 3D FRAR 21/04/2026 15:59:12 0.006 0.011 -0.043 0.044 236,198.747 957,302.405 773.754
Auto 3D HELS 21/04/2026 15:59:12 0.005 0.004 0.011 0.012 236,198.748 957,302.417 773.700
Auto 3D KINT 21/04/2026 15:59:12 0.006 0.012 0.019 0.022 236,198.740 957,302.410 773.692
Auto 3D BUCK 21/04/2026 15:59:12 0.008 0.015 0.004 0.015 236,198.744 957,302.403 773.707
Auto 3D INVR 21/04/2026 15:59:12 0.008 0.020 -0.010 0.022 236,198.741 957,302.398 773.721
Auto 3D LCAR 21/04/2026 15:59:12 0.007 0.010 0.010 0.014 236,198.744 957,302.422 773.701
Auto 3D ARIS 21/04/2026 15:59:12 0.006 0.033 -0.014 0.036 236,198.737 957,302.445 773.725

# 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 Beinn Spionnaidh col 235,707.702 956,174.288 562.606 0.002 0.009 0.003 - - - 21/04/2026 16:57:12
Use Source Station Date/Time 3D CQ [m] Pos. [m] Height [m] Pos. & Height [m] Easting [m] Northing [m] Height [m]
Auto 3D HELS 21/04/2026 16:57:12 0.017 0.028 0.019 0.034 235,707.684 956,174.267 562.587
Auto 3D INVR 21/04/2026 16:57:12 0.030 0.089 -0.001 0.089 235,707.701 956,174.377 562.607
Auto 3D KINT 21/04/2026 16:57:12 0.025 0.134 -0.018 0.135 235,707.713 956,174.422 562.624
Auto 3D FAUG 21/04/2026 16:57:12 0.055 0.097 0.048 0.108 235,707.607 956,174.269 562.558
Auto 3D LCAR 21/04/2026 16:57:12 0.029 0.150 -0.001 0.150 235,707.733 956,174.436 562.607
Auto 3D BUCK 21/04/2026 16:57:12 0.045 0.081 0.043 0.092 235,707.722 956,174.367 562.563
Auto 3D ULLO 21/04/2026 16:57:12 0.024 0.054 0.031 0.063 235,707.701 956,174.343 562.575
Auto 3D BENB 21/04/2026 16:57:12 0.052 0.158 -0.010 0.158 235,707.704 956,174.446 562.616
Auto 3D KINL 21/04/2026 16:57:12 0.003 0.005 -0.001 0.005 235,707.702 956,174.284 562.608

# 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 Beinn Spionnaidh summit 236,142.790 957,202.380 773.728 0.003 0.003 0.003 - - - 21/04/2026 15:38:42
Use Source Station Date/Time 3D CQ [m] Pos. [m] Height [m] Pos. & Height [m] Easting [m] Northing [m] Height [m]
Auto 3D INVR 21/04/2026 15:38:42 0.006 0.022 0.007 0.023 236,142.777 957,202.363 773.722
Auto 3D THUS 21/04/2026 15:38:42 0.005 0.010 -0.012 0.016 236,142.786 957,202.370 773.740
Auto 3D BUCK 21/04/2026 15:38:42 0.008 0.021 0.004 0.022 236,142.781 957,202.360 773.725
Auto 3D KINL 21/04/2026 15:38:42 0.002 0.015 0.004 0.015 236,142.801 957,202.390 773.725
Auto 3D KIRW 21/04/2026 15:38:42 0.004 0.011 -0.009 0.014 236,142.795 957,202.370 773.738
Auto 3D STOR 21/04/2026 15:38:42 0.005 0.017 0.002 0.017 236,142.800 957,202.394 773.727
Auto 3D ULLO 21/04/2026 15:38:42 0.005 0.009 -0.002 0.009 236,142.781 957,202.378 773.731
Auto 3D KINT 21/04/2026 15:38:42 0.004 0.015 -0.016 0.021 236,142.777 957,202.374 773.744
Auto 3D HELS 21/04/2026 15:38:42 0.004 0.005 0.001 0.005 236,142.785 957,202.382 773.727
Auto 3D ARIS 21/04/2026 15:38:42 0.008 0.016 0.019 0.025 236,142.778 957,202.391 773.709
Auto 3D LCAR 21/04/2026 15:38:42 0.005 0.007 0.018 0.019 236,142.787 957,202.386 773.711
Auto 3D FRAR 21/04/2026 15:38:42 0.007 0.024 0.006 0.025 236,142.785 957,202.357 773.722

# Point ID Easting [m] Northing [m] Height [m] SD Easting [m] SD Northing [m] SD Height [m] Code Code Group Code Attributes Date/Time
4 Cranstackie summit 235,058.511 955,601.961 801.857 0.003 0.002 0.003 - - - 21/04/2026 17:59:12
Use Source Station Date/Time 3D CQ [m] Pos. [m] Height [m] Pos. & Height [m] Easting [m] Northing [m] Height [m]
Auto 3D LCAR 21/04/2026 17:59:12 0.020 0.116 0.026 0.119 235,058.626 955,601.974 801.831
Auto 3D KINL 21/04/2026 17:59:12 0.002 0.001 -0.002 0.002 235,058.510 955,601.960 801.858
Auto 3D THUS 21/04/2026 17:59:12 0.023 0.071 0.022 0.074 235,058.581 955,601.962 801.835
Auto 3D BARR 21/04/2026 17:59:12 0.018 0.041 0.004 0.041 235,058.537 955,601.992 801.853
Auto 3D STOR 21/04/2026 17:59:12 0.018 0.055 -0.010 0.056 235,058.561 955,601.983 801.867
Auto 3D BUCK 21/04/2026 17:59:12 0.026 0.143 -0.039 0.148 235,058.652 955,601.939 801.895
Auto 3D ARIS 21/04/2026 17:59:12 0.020 0.036 0.025 0.044 235,058.542 955,601.944 801.832
Auto 3D INVR 21/04/2026 17:59:12 0.019 0.039 0.016 0.042 235,058.545 955,601.944 801.840