<div dir="ltr"><div><div class="gmail_signature"><div><div style="font-size:12.8000001907349px">Does anyone know what might cause this, (attached audio file)</div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">I was having this on my node, using a GE Mastr II with URI and DSP to decode the PL tone</div><div style="font-size:12.8000001907349px">123.0 - my first thought was feedback loop from the TX but it just happens without anyone keying up or an ID occurring. </div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">However also considered someone jamming / txing a near dead carrier with a hum on their signal. </div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">Tried reboot, and this would happen whether I was connected or not, it also has the courtesy tone, which is the local tone, as if it was a station here (local).</div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">Changed the PL lower in freq and it all cleared up. Not sure what could have caused it though?</div><div style="font-size:12.8000001907349px">As far as I know nothing has changed at the repeater site, haven't been up there in ~ 2 months since the last change where I raised the antenna, from 10 to 30' and brought it about 15' closer to the repeater. </div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">If anyone has a thought other then some station keying up to cause this, jamming etc... what else could happen to do that?</div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">73's</div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">Mark KC7DMF</div></div></div></div>
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