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 Head To Head The Modern Antiquarian Stonehenge Car Park Post Holes Forum | Start a topic | Search |
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| Yes ,magnetic north is a bit off from grid and true north but the monument provides a big target from any one of the car park post sites ( approx 7 degrees of the horizon ). So any loss of accuracy with the compass is surpassed by that problem . Reply | with quote |  30th October 2014ce 17:56 In reply to: Re: An early annual calendar (Dave1982) |
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