another vote for the etrex.
Alternatively you can use app on your smart phone such as AusGeo. IT has a trail and tracking feature which you can back-track on, but has the bonus of the tenements, geo, mines layers etc
What a great post!
I cam across this a few years ago before my first trip and always come back for a refresher read before heading out again. Best info around!
Does any have recommendations for ways to setup the SP01 on your gear whilst out prospecting? Does everyong use phase technical's cover/pouch and attach to belt / harness?