waves aren't the same as light waves, but the radio
line-of-sight calculators don't provide for that, they use straight trig functions, same as for light. Or microwave or laser communications
, all done by plain trig and anything else is a bonus.
A fair weather
sailor? No. But I can read the classified in a newspaper by moonlight, so perhaps my standards for good illumination are different from yours. If you want to broaden the topic and discuss weather and other factors, by all means, what is the range of your nav lights during a winter blizzard? Or didn't you forget that too?