[TenTec] 95% Shield

[Gary Hoffman]

Hi Carter,

I am referring to RF that is MUCH higher than anything we use as hams.

There is Controversy about exactly what frequency is the threshold above
which it is ionizing.

All are agreed that frequencies higher than visible light are ionizing.

You will get an argument about frequencies below that....some argue that the
very high gigahertz range is.

But no one says that like, 2.4 ghz for instance, which we use a lot, is
ionizing.

Damaging maybe....with enough power you can heat and even cook
things.....but not ionizing.


----- Original Message ----- 
From: "Carter" <k8vt at ameritech.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Thursday, May 22, 2008 8:37 AM
Subject: Re: [TenTec] 95% Shield


> Gary Hoffman wrote:
>
> >  And, of course, as you already know, RF that is high enough in
> >  frequency is in fact ionizing radiation.
>
> Gary,
> I did NOT know that.
>
> How high is "high enough in frequency"? What power levels? (Could just a
> milliwatt or two of RF have enough power to cause ionization, no matter
> what the frequency?)
>
> >  It does not have to come from a "nuclear source".
>
> This could be x-rays. Is that what you are referring to? However, you
> stated above "*RF* that is high enough...", and I don't know if I would
> define x-rays as 'RF'. Or maybe the whole issue is just a matter of
> semantics.
>
> Could you please elaborate a bit if you are alluding to something other
> than x-rays or if you are calling x-rays 'RF'.
> Thanks,
> Carter  K8VT
>
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