Give your game a boost of confidence with Garmin’s Approach G5, a rugged, waterproof, touchscreen golf GPS packed with thousands of pre-loaded golf course maps. Approach uses a high-sensitivity GPS receiver to measure individual shot distances and show the exact yardage to fairways, hazards, and greens. Give your golf game a boost of [...]

The only thing that I know for sure is that your FMS must be approved for GPS approaches. I thought that you also need some kind of annunciator in the cockpit telling you that the GPS has gone into the more precise approach mode. I fly a Lear 55C with dual UNS 1-Ds.

If you are serious about your sport, whether it be running, cycling, hiking skiing, windsurfing or even skydiving, a gps watch can be a powerful tool for tracking, measuring and improving your performances.
An advanced sports gps watch can accurately measure:

Speed

Distance

Elevation above sea-level

What’s more, many watches with gps can plot 3D maps over a traveled route [...]