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RE- true north



The time for noon is based on the position of the sun at noon GMT, however 
it varies by as much as  + or - 15 minutes depending upon the date. The 
true solar noon can be calculated by checking one of the following links

This is graphically represented at
http://toi.iriti.cnr.it/uk/suntime.html

and numerically represented at

http://www.mcn.net/~jimloy/solar.html

John G4DMF

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