GPS Setup: Map Datum and How to Use It

If two GPS users are set up for different datums, they won’t be able to accurately exchange waypoints, settings or locations.

It's not just a matter of convenience: In some instances, using identical coordinates, but with different datums, can result in accuracy variations of at least 100 yards.

Here’s some advice from land navigation expert Blake Miller on how to get everyone on the same page.
Listen to the SurvivalCommonSense.com Radio interview with Blake about choosing your first GPS and magnetic compass by clicking here.