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[aprssig] KPC9612+ APRS RFI

Stephen H. Smith wa8lmf2 at aol.com
Sun Aug 12 23:09:53 UTC 2012


On 8/12/2012 2:05 PM, Rory Bowers, K6CKS wrote:
> I just tried to set up my KPC9612+ for APRS operation on 144.390 Mhz here in
> Western Arkansas.  I was surprised to find the frequency on my Icom radio
> jammed out by digital noise being generated by the TNC.  I powered up my KPC3
> and did not have the same problem but as soon as I powered up the 9612+ the
> noise was back. Has this been addressed by Kantronics?
>
Most likely NO.  The 9612 is an discontinued product.

How far from the antenna is the 9612?     It should be fairly easy to choke off 
the noise since the only leads into and out-of this device are power, serial 
cable to PC and TX/RX audio to radio.


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Stephen H. Smith    wa8lmf (at) aol.com
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