[TenTec] Possible explanation for problem(s) with Jupiter finals

[n4lq@iglou.com]

If this were true, your're swr meter would read during the time of RF 
fallout. 

-----Original Message-----
From: "William F. Mansey;  WA2PVK" <res0wsci@verizon.net>
To: <TenTec@contesting.com>
Date: Mon, 15 Apr 2002 13:00:05 -0400
Subject: [TenTec] Possible explanation for problem(s) with Jupiter finals

> Hello All,
>     I recently read some items in "QST" that could possibly explain the
> problem with finals.  These items referred to the effects of gravity on
> RF
> energy.  Perhaps, therefore, the damage is caused by the RF left in the
> cable draining back into the rig.  I suppose that forcing RF back
> through
> the finals is causing excessive heating. This effect would obviously be
> worse with higher antennas.  Perhaps a T/R switch with a third position
> would prevent problems.  The extra position would momentarily switch
> the
> antenna to a dummy load (to safely absorb the RF in the cable) before
> switching to receive.
>     I got the impression, based on my interpretation of the
> information,
> that RF at lower frequencies is "heavier" than RF at higher
> frequencies.  I
> DISAGREE - - - If that were true VHF would be great for DXing!!!  VHF
> is
> line of sight THEREFORE this RF is most certainly heavier or it would
> go
> farther than it does!!!      73; Bill, WA2PVK  :-)
> 
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