Imagery Offset Database

13th of September

Lizardite in United Kingdom: Esri from OS Trigs (reprojected from OS data to ETRS89
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B3293, St Keverne, Garras, Cornwall, South West England, England, TR12 6NT, United Kingdom

An imagery offset of 1.3 m
Imagery: clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile
Created by Lizardite on 2020-09-13
Esri from OS Trigs (reprojected from OS data to ETRS89
Lizardite Lizardite in United Kingdom: Made based on faulty reprojection
St Keverne, St. Keverne, Cornwall, South West England, England, TR12 6PU, United Kingdom

An imagery offset of 2.6 m
Imagery: clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile
Created by Lizardite on 2020-09-09
East Lizard. Aligned to multiple trig points (data from https://www.ordnancesurvey.co.uk/gps/legacy-control-information/triangulation-stations and converted OSGB36 to WGS84 in QGIS)

Deprecated by Lizardite on 2020-09-13
Made based on faulty reprojection
Lizardite Lizardite in United Kingdom: made based on dodgy reprojection
Vicarage Lane, Manaccan, Cornwall, South West England, England, TR12 6HN, United Kingdom

An imagery offset of 3.8 m
Imagery: clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile
Created by Lizardite on 2020-09-08
East Lizard. Aligned to multiple trig points (data from https://www.ordnancesurvey.co.uk/gps/legacy-control-information/triangulation-stations and converted OSGB36 to WGS84 in QGIS)

Deprecated by Lizardite on 2020-09-13
made based on dodgy reprojection

12th of September

Lizardite in United Kingdom: The Lizard. From OS Trig points, reprojected to ESPG:4258. <0.5m discrepancy with RTK sourced offset.
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St Keverne, Cornwall, South West England, England, TR12 6ED, United Kingdom

An imagery offset of 3.7 m
Imagery: bing
Created by Lizardite on 2020-09-12
The Lizard. From OS Trig points, reprojected to ESPG:4258. <0.5m discrepancy with RTK sourced offset.
Lizardite Lizardite in United Kingdom: Replaced with better alignment on same nodes.
Landewednack, Lizard, Cornwall, South West England, England, TR12 7NU, United Kingdom

An imagery offset of 3.9 m
Imagery: bing
Created by Lizardite on 2020-09-10
Lizard reprojected trig points

Deprecated by Lizardite on 2020-09-12
Replaced with better alignment on same nodes.
Lizardite Lizardite in United Kingdom: based on inaccurate reprojection from OSGB36 to WGS 84
St Keverne, St. Keverne, Cornwall, South West England, England, TR12 6PX, United Kingdom

An imagery offset of 1.0 m
Imagery: bing
Created by Lizardite on 2020-09-08
East Lizard. Aligned to multiple trig points (data from https://www.ordnancesurvey.co.uk/gps/legacy-control-information/triangulation-stations and converted OSGB36 to WGS84 in QGIS)

Deprecated by Lizardite on 2020-09-12
based on inaccurate reprojection from OSGB36 to WGS 84

10th of September

Lizardite in United Kingdom: Lizard Peninsula. Ordnance survey trig points from OS website, reprojected via QGIS
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Landewednack, Lizard, Cornwall, South West England, England, TR12 7NU, United Kingdom

An imagery offset of 1.2 m
Imagery: clarity.maptiles.arcgis.com/arcgis/rest/services/World_Imagery/MapServer/tile
Created by Lizardite on 2020-09-10
Lizard Peninsula. Ordnance survey trig points from OS website, reprojected via QGIS

9th of September

Lizardite in United Kingdom: Roskruge Beacon Trig Pillar. Visible (esp. in Bing) at T junction adjacent to tumulus.
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St. Anthony-in-Meneage, St. Keverne, Cornwall, South West England, England, TR12 6ER, United Kingdom

A calibration point
Created by Lizardite on 2020-09-09
Roskruge Beacon Trig Pillar. Visible (esp. in Bing) at T junction adjacent to tumulus.
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