Forum Discussion
wa8yxm
May 11, 2018Explorer III
camperguy99 wrote:
Might be better to use RG6 and put in a fairly cheap in line amplifier at the send end or maybe half way between.
Depends on how much improvement you need but in general NO. THe reason is this. Lower loss coax means more signal but it does not change the Signal/Noise ratio
Pre-amps (in line amplifiers) Increase NOISE more than they do signal. even "Low noise" amplifers (LNB means Low Noise Block converter) so though they DO increase the signal (And noise) they lower the signal to noise ratio. and that's is more important than raw signal strength.
A friend of mine invented a low-cost Noise generator that can be used to maximize Signal to Noise ratio. He demonstrated the difference.. It was impressive. Sorry no web links to a live demo. This was a good decade before WWW
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