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BAJR Federation Archaeology › BAJR Federation Forums › The Site Hut v
Offsetting

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Offsetting
the invisible man Offline
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#6
16th February 2006, 01:35 PM
Way back before most of you were born, in the early 70's, there were no Total Stations, EDM's, no GIS or even Autocad. Commercial survey was basically all done by offsets. You will all have done basic survey though. The principle was exactly the same but without batteries. Stations are surveyed in by theodolite around a field and offsets taken from baselines between them in the form of a chain (yes a real one) or a 100m tape, to the boundaries (usually in a large and very prickly hedge).

The baselines were long but the offsets were short. I recall that the essential equipment list included a football.

We owe the dead nothing but the truth.
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Messages In This Thread
Offsetting - by Richard - 13th February 2006, 05:38 PM
Offsetting - by 1man1desk - 14th February 2006, 02:30 PM
Offsetting - by BAJR Host - 14th February 2006, 08:08 PM
Offsetting - by kevin wooldridge - 14th February 2006, 09:17 PM
Offsetting - by muddyandcold - 16th February 2006, 02:56 AM
Offsetting - by the invisible man - 16th February 2006, 01:35 PM
Offsetting - by achingknees - 16th February 2006, 02:02 PM
Offsetting - by 1man1desk - 16th February 2006, 02:21 PM
Offsetting - by the invisible man - 16th February 2006, 02:57 PM
Offsetting - by muddyandcold - 18th February 2006, 03:13 PM
Offsetting - by Richard - 12th September 2006, 01:15 PM

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