To determine when the sun is due south:
http://aa.usno.navy.mil/
Select: Data Services
Select: Sun (default)
Enter City or use "Worldwide Locations" to enter Lat and Long
Note: If you select "City" the times displayed will be local, not UTC
Select: Rise/Set/Transit
"Transit" is the term for when the sun is due south.
For those with a surveying background:
http:// cadastral.com
You will want "Culmination of Polaris" which is when Polaris is at
the "top" of it's little orbit and is as north as it is going to be.
Note: This method may be way more accurate than needed.
Shameless plug for our astronomy club:
www.3ap.org
73,
Tim Colbert K3HX
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