- When I download coordinates from geocaching.com into my GPSr, they are entered in WGS84 format. Frequently, I then transfer the coords to a US Dept of Interior Geodetic Survey map in NAD 27 Conus format. Should I change the settings in my GPSr to NAD 27 before the transfer, or does it matter? I have tried it both ways but am not sure if there is any significant difference. But, technically there must be a correct way to do this. Can someone be of help? **************************************************************************** Our WebPage! Http://WWW.GeoStL.com Mail List Info. //www.freelists.org/cgi-bin/list?list_id=geocaching The SLAGA E-store is closed for image repairs but this is what is there. The SLAGA E-store http://www.cafeshops.com/cp/store.aspx?s=SLAGA ****************************************************************************