Guys,
Something which I think you'll find very trivial, but I'm a bit confused ...
On reading trip reports of GA aircraft which have made exotic trips (including "earth-rounding"), frequent reference is made to the lack of VHF comms at many places worldwide - not least half way across an ocean, etc. In these cases, it seems to be standard practice to use HF radios to contact ATC over long distances, and also to talk to you guys in the "heavies".
My query is this : why HF and not UHF ? Sorry if it's a dumb question !
Cheers,
FF
