File:GPS Survey Equipment at Weir Dyke Bridge - geograph.org.uk - 336908.jpg
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Size of this preview: 400 × 600 pixels. Other resolutions: 160 × 240 pixels | 427 × 640 pixels.
Original file (427 × 640 pixels, file size: 107 KB, MIME type: image/jpeg)
Summary
| Description |
English: GPS Survey Equipment at Weir Dyke Bridge. Photo taken at Weir Dyke bridge 172000. The gear belonged to a group checking water levels in nearby drains who had established a datum on the bridge using GPS (8 satellites) and this gave me an opportunity to check my Etrex, which uses 4 satellites, against their professional equipment. The difference was less than 1m - my Etrex was showing 20ft accuracy at the time. For another picture see 336893. |
| Date | |
| Source | From geograph.org.uk |
| Author | David Wright |
| Attribution (required by the license) | David Wright / GPS Survey Equipment at Weir Dyke Bridge / |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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| Object location | | View this and other nearby images on: OpenStreetMap | |
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Licensing
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by David Wright and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: David Wright
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:48, 30 December 2010 | | 427 × 640 (107 KB) | wikimediacommons>GeographBot | == {{int:filedesc}} == {{Information |description={{en|1=GPS Survey Equipment at Weir Dyke Bridge Photo taken at Weir Dyke bridge 172000. The gear belonged to a group checking water levels in nearby drains who had established a datum on the bridge usi |
File usage
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