On Mar 31, 11:58*am, "William Sommerwerck"
wrote:
It would be interesting to stick a spectrum analyzer at various
points in the system -- starting at the unamplified antenna
signal and see what's going on.
Uh, most HP spectrum analyzers had a 35+ dB noise figure...

I didn't know it was that bad.

It is easy to take the specs and calculate.

For example, what's the one you were planning on using?