[Elecraft] Strange "Ticking" sound with K3/0 Mini to RemoteRig for remotely controlling K3.

[Oliver Dröse]

I doubt there's a clock in the K3/0 mini ...

73, Olli

Contest, DX & radio projects: http://www.dh8bqa.de


Am 06.10.2014 00:26, schrieb Ken Roberson via Elecraft:
> It's the K3 Clock - 73 Ken K5DNL
>   
>
>       On Sunday, October 5, 2014 5:19 PM, K4ia via Elecraft <elecraft at mailman.qth.net> wrote:
>     
>
>   USB or serial port polling?  Try a different adapter or one that uses an optoisolater
>
> Craig Buck
>
>> On Oct 5, 2014, at 5:36 PM, "Brian F. Wruble" <bwruble at gmail.com> wrote:
>>
>> Hi All:
>>
>> The symptom I am describing persists despite changing routers, internet
>> systems, and cities.  In a QSO this morning, the other parties reported a
>> ticking sound on my transmitted signal --- faint but noticeable --- and I
>> could also hear it in XMIT Monitor.  I was operating my remote gear as a
>> test --- in the same room as the K3, and on the same LAN.
>>
>> I have now set myself up 110 miles away, and the sound persists.  I am able
>> to work others, get good signal reports, but I can hear the tick tick tick,
>> about 2 per second.
>>
>> In testing, I find the sound is there even if I power down the gear --- the
>> radio and the control end.  It persists if I remove 12VDC from the K3/0
>> mini.  Also if I remove the wifi module from the RemoteRig control box.
>>
>> If I remove power from the RemoteRig, it goes away.  With power to the RR,
>> the ticking goes away if I unplug the "TTL" line from the K3/0 mini.
>> Unplugging the other lines makes no difference, though it becomes fainter
>> if I unplug "Aux/Mic." It persists if I remove the ethernet cable
>> connecting the RemoteRig to my router.  It persists if I unplug the USB
>> line from the RemoteRig to my PC.
>>
>> This symptom appeared after a good period of time when everything worked.
>> And all functionality is still there --- just this maddening tick tick tick
>> --- like something from Edgar Allan Poe.
>>
>> All ideas gratefully accepted.
>>
>> 73 de Brian W3BW
>>
>> *Brian F. Wruble, C.F.A.
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