Pilots don't know anything about RF beyond "VHF is line-of-sight" and "use HF over the ocean." I'm inclined to listen to their (our) concerns but we don't have

Pilots don't know anything about RF beyond "VHF is line-of-sight" and "use HF over the ocean." I'm inclined to listen to their (our) concerns but we don't have some special understanding of the underlying technical issues.