A missed turn can be inconvenient on a weekend hike. On a utility right-of-way, a hunting trip several drainages from the trailhead, or a research deployment beyond cellular coverage, it can become a safety and accountability problem. This Garmin GPSMAP 67i review looks at the device from that practical standpoint:...

A remote crew loses cellular service on a utility right-of-way. A hunting party separates across a ridge. A vessel moves beyond shore coverage. In each case, the satellite phone versus radio decision changes who can be reached, how quickly help can be called, and what happens when the local team...

A satellite phone only helps if it can register on the network where your team is standing, boating, flying, or responding. That is the real decision behind Iridium versus Globalstar voice. Both services can provide voice calling beyond cell coverage, but they are built for different coverage expectations, operating regions,...