[WT-support] CW transmission problem

[Pete Smith N4ZR]

On the other hand, I have been using Winkey since version 1, for tens of 
thousands of QSOs, and have never experienced this problem.  My 
station's transmitting antennas are about 70 meters from my shack, and I 
have little to no problems with RFI to other devices, so I am inclined 
to suspect that your difficulties may be caused by RFI  I would 
certainly try winding a few turns of the USB and power cables around #31 
toroidsclose to your Winkeyer or other device containing the Winkey 
chip, to suppress any common mode RF pickup.

73, Pete N4ZR
Check out the Reverse Beacon Network at
http://reversebeacon.net,
blog at reversebeacon.blogspot.com.
For spots, please go to your favorite
ARC V6 or VE7CC DX cluster node.

On 3/19/2013 4:30 AM, Wolfgang Schwarz -DK9VZ- wrote:
> Hej Kim
>
> this problem is well known and occurs afaik with all Microham devices
> as well as some other brand containing the Winkey Chip.
> We have been waiting for at least a workaround for years and decided than
> to not use Microham/Winkey any longer.
>
> Sorry to have no better answer for you.
> Maybe the development team has one in the meantime?
>
> By the way. The Microham USB3-interface works well, because it doesn´t
> use a Winkey chip.
>
> /*73 de*/
> /*Wolfgang DK9VZ*/
> ws at dk9vz.com <mailto:ws at dk9vz.com>
>
> Am 19.03.2013 08:39, schrieb Kim Östman:
>> Hi,
>>
>> In the last few contests I have noticed some strange behavior when 
>> sending CW with Win-Test and MK2R+. This has taken place at two 
>> different stations, and since voicing my concern I've heard a couple 
>> of other hams confirm they've had the same problem:
>>
>> Sporadically, the CW speed will jump up to 40 WPM (it doesn't say 
>> that in the Win-Test window, but that's the approximate speed) when 
>> transmission starts, and it stays that way until I either change the 
>> speed manually with Alt+F9/F10 (and then it will jump right back to 
>> 32 WPM or whatever, with one abrupt change) or press Escape to stop 
>> the transmission and then Escape once more.
>>
>> This may have been dealt with already here, but does anybody have any 
>> tips?
>>
>> Thanks,
>>
>> 73
>> Kim OH6KZP
>>
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>
>
>
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