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Thanks for your detailed advice / experience
So therefore to achieve a more accurate true south I should do the following -
1/ install my 12mm x 1m timber dowel at exactly 90deg to the level ground both directions ( pavers )
2/ Jump on Stellarium and find out the exact time of the noon meridian ( 1.08pm )
3/ At 1.08pm mark a line ( approx 500mm ) on the paver from the base of the timber dowel in the exact centre of the short shadow line cast by the timber dowel
4/ The direction of this line should be very close to true south
Correct ??
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