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I'm looking at a Alaska map,scale 1:63360, revision 1986.
In the text it tells you the differance between NAD27 and WGS 83, it is 63 meters north and 119 meters east.
This will change depending on where you are.

I use Deg/min/sec, the reason is i can look at a map and tell where i am because maps are marked in deg/min/sec.

To answer your question NDA27 or WGS83 it doesn't matter, they will find you. You do have your GPS set to NDA27 or WGS83?  

Message Thread:

• specific details on GPS EricL Jul 31 2005
  • The word from SAR experts- WGS84! Michael Strahan Aug 04 2005
  • Here is a great way to build confidence sapperski Aug 03 2005
  • SAR familiar w/most coordinate systems? Alex_Cena Aug 02 2005
  • NAD 27/ WGS86 Rutting Moose Jul 31 2005
    • Datums rost495 Aug 01 2005
      • A Call to the SAR folks Michael Strahan Aug 01 2005
  • GPS for Emergencies Michael Strahan Jul 31 2005
    • Datum for GPS John S Jul 31 2005
      • Villages Daveinthebush Jul 31 2005