I betcha it's https://gristleking.com, he's been advocating for paragliders to use LoRaWAN for a tertiary emergency communications network (primary being Garmin's Iridium network, then cell or perhaps iOS 14's GPS SOS).
The idea is to have multiple means of calling for help + tracking location when free-flying.
The idea is to have multiple means of calling for help + tracking location when free-flying.