In message <[email protected]>, dated Fri, 31 Jul 2015, "ce-test, qualified testing bv - Gert Gremmen" <[email protected]> writes:

I remember that calculations were much easier when the send antenna is seen as if it were under the ground plane for the reflected wave

and above for the direct wave.

It doesn't matter which is up and which is down, of course. That diagram leads to TAN[alpha) = (T+R)/S. Just my formula inverted.
--
OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk
When I turn my back on the sun, it's to look for a rainbow
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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