WGS84 - NAD27 etc.

[BarberBill]

Hi all. I've read several of the posts suggesting using UTM with the gps, but am fuzzy about WGS84 - NAD 27 etc. Any information or mention of a book or site that explains all the ins and out of these things would be greatly appreciated.
Thanks,
BB

 

[Andrew Kalinowski]

http://gpsnuts.com/myGPS/GPS/Tutorials/Maps/maps.htm
and
http://www.dbartlett.com/
should get you started.

 

[BarberBill]

Thanks, that's exactly what I needed
BB