The latter is pretty well handled by existing devices such as SPOT: https://www.findmespot.com/en-gb/ https://www.findmespot.com/en-gb/ Edit: Starlink looks f

The latter is pretty well handled by existing devices such as SPOT: https://www.findmespot.com/en-gb/ https://www.findmespot.com/en-gb/ Edit: Starlink looks fantastic but maybe not for that particular scenario, at least not any time soon.