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Re: Coax

On Sat, 16 Oct 1999, STEVE DIGGS wrote:

 > The key thing that now makes me reconsider the wisdom of using very low
 > loss feedline is that I also mounted preamps right at the sat. beam
 > antennas for best recieve performance. After using the setup for a year
 > or so, it seems that the preamps make SO much difference, that I don't
 > operate without them. If that is the case, then the low loss aspect of
 > my feedline doesn't matter as much, because all that really matters now
 > is the loss of signal between the antenna and the preamp. The preamp
 > itself has enough output signal that RG213 would have done the job just
 > fine. Get the drift here? I think if I had it all to do over again, I
 > would just buy the best preamps I could find and use average loss
 > feedline. This thinking doesn't apply for antenna setups without
 > preamps.

I'd add it also doesn't apply as much on the transmit side, unless you can
eitehr mount an amplifier at the tower or the attenuation is tolerable.

73 Steve  KA1LM

Stephan A. Greene                            sgreene@patriot.net    
Senior Systems Specialist, VA Linux Systems  sgreene@valinux.com
Mid-Atlantic Region                          703-980-3475
Amateur  KA1LM@amsat.org  Grid FM18hx        38 59'83.33"N 77 23'6.15"W

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