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okay so let's think this out

I have a UHF antenna at a not well known height pinging a location gmaps says is 1084 meters away (line of sight).

We'll call the altitude of that location 0m to simplify maths. Openmaps has it on the low side of a 20m line. That matters to get actual altitude at the end; at most, it's another 2-3m down probably?

At 850m (straight-line) from my 0m location, a signal clears a +70m hill on its way to either end.

So start at 0m and create a right triangle with the signal path, and 70/850 should be the tan() of the angle from the 0m point. Therefore 70/850 = X/1084, and doing the maths gets you X = 90m.

90+20=110m, ish.

But my best direct estimate from the same topo maps is 93-95m.

#gmrs #AmateurRadio