22-09-2009, 09:43 PM
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Registered User
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Join Date: Jan 2009
Location: Glenhaven
Posts: 4,161
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Quote:
Originally Posted by Waxing_Gibbous
Have you compensated for magnetic off-set - the diff between "magnetic" south and true south. There is a" .gov.au" website that will give it you, but I lost it migrating to this PC. Sorry that's not very useful.
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Probably this one:
http://www.ga.gov.au/oracle/geomag/agrfform.jsp
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