Jeff, I have something better than a GPS, I'll give it to you, Ole' Buddy. In the early 70s I bought a device that hooked to my truck horn that would blow the horn for 3 secs. every 15 min. I used it when coon hunting to get back to my truck. I still have it.
Have you ever heard 00 buck shot ripping through the trees at 2:00 A.M............ I didn't know there was a house 100 yds. from where I had parked my truck. The dogs treed so I went to them.
Bob