KI4AWK wrote:
> I think that CTCSS is used too often on input as a crutch for
> "solving" (covering up) interference problems. I'll bet a
> properly-operating carrier-squelch repeater will work better than one
> with a tone, simply because it is open to interference that must be
> FIXED, not just covered up with tone. I learned this the hard way. I
> have a 6 meter machine at 51.7 right next to a TV channel 2 and a 70
> MHz pager link transmitter, and many other high-power devices. It was
> toned input at first, (to shut it up) and operated very poorly until
> I spent time and money on filtering and a good receiver. I am proud
> to say now that it is open carrier squelch with no problems. I do
> have a tone on the output, where the user can implement it or not for
> receiving trouble. I do believe that outputs should have tone, just
> out of courtesy, for user's sake.
>
> P.S. Put down your SERA book, you won't find it! :)
>
> John -KI4AWK
The primary interference we're talking about here is on-channel from
adjacent areas, not RFI like you're describing.
--
Jim Barbour
WD8CHL
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