The Amazing Technology Of Pico Balloons - AVweb

With regards to APRS - a number of pilots have been using APRS transmitters as a ‘free’ tracking device in lieu of subscription-based satellite trackers such as SPOT or InReach. They’re not quite an equal substitute. But for those with the technical knowledge and desire to tinker it’s a very low-cost way to allow the non-flying spouse to keep track of your whereabouts.