When unplugging and plugging in coax connectors to improve the connection a 
spray of DeOxit on each end would be a good idea.  Works on all kinds of 
switches and connectors.  I wouldn’t hook up my four trailers to my car without 
it and those connectors are heavily abused.  Less so for my coax connectors but 
a good idea anyway.

David J. Wilcox K8WPE’s iPad

> On Nov 7, 2019, at 12:30 PM, Rick Bates, NK7I <[email protected]> wrote:
> 
> Also check your filter, NB and NR settings, sometimes they go wonky.
> 
> Rick NK7I
> 
>> On 11/7/2019 8:26 AM, Bob McGraw K4TAX wrote:
>> Check all connectors.  I've found that connectors that just "sit" and are 
>> never moved will oxidize and prevent signal flow.   They rely on a 
>> mechanical connection only.   Just unplug and re-plug 2 or three times for 
>> each one.
>> 
>> 73
>> 
>> Bob, K4TAX
>> 
>> 
>>> On 11/7/2019 10:12 AM, Mike Flowers wrote:
>>> Hi Folks,
>>> 
>>> 
>>> I powered up my trust K3 #2257 this morning and found it deaf. The RF and
>>> IF stages appear to be working just fine.  I have 20M FT8 showing lots of
>>> signals on my P3, but no audio.
>>> 
>>> 
>>> WSJT-X shows no audio from LINE OUT either.
>>> 
>>> 
>>> I'm on the right antenna and haven't fiddled with parameters for months, so
>>> I am wondering if there is anything I might try/check before taking it over
>>> to Watsonville for repairs.
>>> 
>>> 
>>> Thanks!
>>> 
>>> 
>>> - 73 and good DX de Mike,  <http://www.qrz.com/db/k6mkf/> K6MKF, NCDXC
>>> <https://www.ncdxc.org/>  Secretary
>>> 
>>> 
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>> 
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