The problem with the pot is RF getting in and arcing the carbon
strip. John, W0UN came up with a mod of putting a few .01 caps
across the pot. I believe TIC is now doing that too.
On 16 Sep 01, Mike Gilmer - N2MG wrote:
> I will soon be installing a pair of used 1022B Ring Rotors. They had
> suffered a lightning strike at the previous owner's QTH - the only damage
> seems to be the 4.3V Zener diode in one of the control boxes.
> I am waiting for the current info from TIC (I contacted them over a year
> ago), regarding the "official" upgrades available. I would like to know if
> anyone on TT has personally upgraded their "B" model with the several "D"
> model upgrades TIC offers. Some of these were, at last I knew, actually
> I would also like to know if anyone has made any custom improvements that
> cured any of the TICs ills. MOVs, etc.
> I have (started) searching the TT archives - there are MANY hits on TIC, but
> most are older than 1999 I found the Bourns pot replacement texts. Has that
> proven effective or are they still failing?
> 73 Mike N2MG
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