Guy, K2AV wrote:
beam kind of thing. Although that can be done relatively with the audio
voltage level, it wouldn't allow me to tell a local that his ground wave
signal has gone down 3 db and is staying there, or be able to create data
for studies over time.
You only require that both measurements be relative to the same
reference, not that the absolute value of that reference be known. 3dB
always represents the same ratio.
--
David Woolley
"The Elecraft list is a forum for the discussion of topics related to
Elecraft products and more general topics related ham radio"
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