[NLRS] WSJT - Computer generated RFI

[Mary Brown]

Not sure what radio you have but any data/audio cables to the radio are 
suspect... ferrites are your friend on any cables leaving the computer 
including the power cord! I ordered double shielded USB cables to cut 
back on this... sadly that supplier no longer carries them!


Mary

W0AAT

On 9/11/2022 6:27 PM, EAJ WB0VHF wrote:
> Bill,
>
> When you say "LOADED", I'm assuming that you mean installed on the 
> drive. Have you looked at Task Manager when this is going on to see if 
> it has started any services/background processes that might account 
> for this?
>
> GL & 73,
> Evelyn
> WB0VHF
>
>
> On 9/11/2022 18:12, Bill Davis via NLRS wrote:
>>    My recent digital activity on 2m has been pretty limited, but I 
>> have been puzzled by wideband "buckshoot noise" that I was thinking 
>> was from something at our weekend neighbors. It is NOT!
>>
>>   First this noise raises the noise floor on 144.174 by 6db and there 
>> is a nasty S7+ 4Khz wide growler centered just below 144.230. These 
>> growlers are every 115Khz across 2m.
>>
>>   While waiting for activity on 2m this eve I discovered the source:
>>
>>    The source ... ANY TIME WSJT-X v2.5.4 is LOADED. It does not need 
>> to be running, I can turn the monitor off, unchanged, mode makes no 
>> difference. WSJT-X being loaded on this machine generates this noise.
>>
>>    Strange!!! The computer is a Dell  ::
>>
>> Intel(R) Core(TM)2 Quad core Q9400 @2.66GHz -- 8GB memory
>>
>>  Win 7 -- 64 bit operating system.
>>
>> I'm still trying to get my head around this!!
>>
>> 73  Bill  K0AWU
>>
>> ______________________________________________________________
>> NLRS mailing list
>> Home:http://mailman.qth.net/mailman/listinfo/nlrs
>> Help:https://mailman.qth.net/mmfaq.htm
>> Post:mailto:NLRS at mailman.qth.net
>>
>> This list hosted by:https://www.qsl.net
>> Please help support this email list:https://www.qsl.net/donate.html
>
> ______________________________________________________________
> NLRS mailing list
> Home:http://mailman.qth.net/mailman/listinfo/nlrs
> Help:https://mailman.qth.net/mmfaq.htm
> Post:mailto:NLRS at mailman.qth.net
>
> This list hosted by:https://www.qsl.net
> Please help support this email list:https://www.qsl.net/donate.html

-- 
This email has been checked for viruses by AVG antivirus software.
www.avg.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/nlrs/attachments/20220911/c715df3d/attachment.html>