[PaQSO] W3CQB - York - now Winkey RFI

[Charlie Strong]

That's great Bruce!

I tried the ferrite and you added the "pin 1" fix.  Both seem to be working 
well.  I will make the changes you did just to be sure.  This problem really 
takes the fun out of a contest.

Charlie,  W3CQB

----- Original Message ----- 
From: "Bruce Manning" <bmanning at zitomedia.net>
To: "Charlie Strong" <strong619 at comcast.net>
Sent: Tuesday, October 15, 2013 7:58 PM
Subject: Re: [PaQSO] W3CQB - York - now Winkey RFI


>I think I may have fixed this problem. First I have a clamp on ferrite on 
>the USB and Key line at the back of the win key. Next I soldered a wire to 
>the common point of C3 and C6 to ground, or at least the metal chassis. I 
>did the same with the common point of C7 and C9. connected this to the 
>chassis. I actually found a point on the circuit board that went to one of 
>the mounting screws for ground. Next I ran a ground wire the the station 
>ground from one of the outside screws. I just tested it on all bands 
>running 100 watts and N1MM and it worked. I will check it more later and 
>let you know if anything shows up.
> Thanks for the reminder on the "pin 1" problem this headed me down this 
> road.
> 73
> Bruce NJ3K
>
> -----Original Message----- 
> From: Charlie Strong
> Sent: Monday, October 14, 2013 10:48 PM
> To: Bruce Manning
> Subject: Re: [PaQSO] W3CQB - York - now Winkey RFI
>
> Thanks Mark and Bruce.  At least I have company.  I had the problem with
> N1MM Logger.  I tried N3FJP Amateur Contact Log and had the same problem.
> So I am not ready to blame N1MM.  It is frequency sensitive.  40 meters is
> my problem.  In fact,  I can go to the bottom of the band and no problem.
> But up around 7040 it crashes.  80 and 20 seem OK and I haven't tried the
> other bands since I noticed this.
>
> Recently my old rig died (unfixable died). I replaced it with an IC-7410.
> Nice rig but I miss the ProII.  I also replaced the ancient PC with a 
> "new"
> HP Pavillion running XP.  The problem seems worse with this new equipment.
> I have two usb cables - one to the transceiver and one to the keyer.  No
> PTT, no foot switch, no RS-232 and the hand mike for phone..  Very simple.
> I had bonded all of the cases together.  Except for the Astron power 
> supply
> which has no ground connection.  I put clamp-on ferrites on both usb 
> cables.
> I even built a choke balun for the feedline.  I thought I was ready for 
> the
> PaQP at this point.  I just had not used the right frequencies.
>
> I searched the internet during the contest.  Seems like we are not alone.
> The general feeling is that it is a "pin 1" problem on the winkeyer.  In
> despiration  I tried a camp-on ferrite on the keyer-rig cable.  So far the 
> I
> have not had a problem.  At least I finished the contest.  So the next 
> step
> may be to open up the winkey USB and connect all of the connector shells
> directly to the case.
>
> Sorry if I have been long winded.  But this describes my problem and what 
> I
> have tried.  I really can not say that the problem is fixed.  Time will
> tell.  Maybe this will help you.
>
> Charlie,  W3CQB
>
>
> ----- Original Message ----- 
> From: "Bruce Manning" <bmanning at zitomedia.net>
> To: "Charlie Strong" <strong619 at comcast.net>
> Sent: Monday, October 14, 2013 7:57 PM
> Subject: Re: [PaQSO] W3CQB - York
>
>
>> Charlie.
>> I too had trouble with RFI and my Winkeyer. Mine is on 40 and 15 meters 
>> only. I moved the cables to the keyer and put a couple of clamp on 
>> ferrite filters on and it works on 40 but still no luck on 15, So 
>> question what did you end up doing?
>> 73
>> Bruce NJ3K
>>
>> -----Original Message----- 
>> From: Charlie Strong
>> Sent: Monday, October 14, 2013 7:28 PM
>> To: PaQP
>> Subject: [PaQSO] W3CQB - York
>>
>> W3CQB,  single op,  low power,  home station,  York county.
>>
>> I spent Saturday working the contest with the Hanover Area Hamming 
>> Association.  See the KF3M report.  I got on from home later that 
>> evening. But the RFI in the WinKeyer USB problem surfaced again.  Sunday 
>> I made a few contacts and worked on the RFI.  The last pound of ferritte 
>> seemed to control the problem.  I did get a small run in the last hour of 
>> the contest. I never broke 100 QSOs but I did have fun.
>>
>> Charlie,  W3CQB
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