[Elecraft] Very Dissatisfied With Elecraft Support

w6jd at comcast.net w6jd at comcast.net
Thu May 15 15:35:14 EDT 2008


I used a piece of heat shrink tubing.Works great.

Doug 
W6JD
K2/100 #1626
K3/100 #23

-------------- Original message -------------- 
From: Don Wilhelm <w3fpr at embarqmail.com> 

> Jon, 
> 
> A proper RF Probe is usable up to 500 MHz and beyond. 
> If you are going to use an RF Probe at VHF and UHF bands, then it will 
> need to be shielded from stray radiation. In your situation, you will 
> only be using it up to 22 MHz, and shielding it is not necessary. As 
> has been said, if you want to enclose it in something, just use whatever 
> you have available, or simply wrap it with tape. No enclosure is needed 
> as long as you do not contact the probe parts while doing a measurement. 
> 
> Hopefully that provides some reasons for the differences of opinion you 
> see on the websites - it all depends on the frequency and other 
> conditions where you will be using it. 
> 
> 73, 
> Don W3FPR 
> 
> Jon Perelstein wrote: 
> > 
> > The web sites I've looked at seem to imply that I need to put the probe in 
> some sort of metal 
> > shielding (thus the copper pipe for example), but some of your responses seem 
> to imply that I can 
> > just leave it in the open. Is that correct? Can I just leave the circuitry 
> in the open? Or do I 
> > have to mount it in something -- in which case I'm back to the problem of what 
> I mount it inside 
> > of and how to mount it inside (e.g., insulators, mounting hardware). 
> > 
> > AM 
> > 
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