Tom,
If your repeater has an ideal antenna, a low-loss duplexer, and a really
low-loss feedline, you probably don't need a preamp. Sometimes, a
preamp can magnify reception problems rather than reduce them.
I have used Angle Linear preamps with great results, but I have been
careful to use bandpass cavities to restrict the spectrum that the
preamp sees. As Chip Angle will tell you, you cannot simply install a
preamp without doing the design engineering first. In other words, an
RF preamp is not something that you can install on a whim, without
considering the many consequences that may ensue! Caveat Emptor...
73, Eric Lemmon, WB6FLY
tgundo2003 wrote:
>
> I'm about to put up a converted Mitrek mobile 440 repeater and am wondering
> if a preamp would be a worthwhile experiment, and, if so, what
> manufacturer/model do you recommend...?
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