You can rent a SPOT for a trip. It is very cost-effective.
Hiking without a map is crazy. I've tried a few of the cloth maps and they are really durable. Don't have to worry about keeping them dry or flat. https://www.ruggedmaps.com/home Also, why is it every time you need something accurate on your map it is on a crease?
a good compass
I can't tell you number of times my handheld GPS compass is way off, they need to be calibrated frequently. Take 3 iPhones and look at the compass headings they rarely agree. A good compass is important.USGS topographical maps
Hiking without a map is crazy. I've tried a few of the cloth maps and they are really durable. Don't have to worry about keeping them dry or flat. https://www.ruggedmaps.com/home Also, why is it every time you need something accurate on your map it is on a crease?