Michael Tope wrote:
> I am trying to clean up a few problems at my station. Right now
> I can transmit on 160 meters at 1.5KW with the stereo turned
> and the TV's on and I get no hint of RF interference. The video
> display on my computer is clean, the internet doesn't get
> blocked, and my mouse works fine. The one area where I do
> have trouble is my computer keyboard. It won't recognize button
> closures when I am transmitting until I drop my output power
> down to around 300 watts. I've tried two (admittedly cheap)
> keyboards and both of them exhibit this same RFI susceptibility
> problem despite the fact that in both cases I had the cable
> wrapped around a #31 ferrite core.
>
> Any suggestions out there for a keyboard that might be more
> RFI proof than the ones I've tried so far (one was an $8 Inland
> brand and the other the OEM keyboard from my wife's
> E-Machine)?
>
> Thanks,
>
> Mike W4EF.................................................
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> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
>
>
Try a wireless keyboard, try to borrow one instead of purchasing a unit.
Smith Bradford
W9HAK
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