[ICOM] IC-756PROIII No Transmit

[W5JMW]

Walt,in west texas you take the end of the coax and put it into a jar.during 
a dry snow or a sand storm it draws the prettiest blue arc from the center 
to shield.I drop everything to ground when not in use and disconnect in a 
storm..73 john
----- Original Message ----- 
From: "Walt - WB2VSJ" <wb2vsj at earthlink.net>
To: "'ICOM Reflector'" <icom at mailman.qth.net>
Sent: Thursday, July 16, 2009 6:40 PM
Subject: Re: [ICOM] IC-756PROIII No Transmit


> Same thing happened to me many years ago in Upstate NY in the middle of
> winter.  My father came and got me out of bed late one night - seems my
> radio (HW-101) at the time was "Clicking".
>
> Turns out my disconnected antenna coax was close enough to the grounded
> chassis of the HW-101 to make a mini-spark gap from the tip of the PL-259.
> Weather outside?  0 deg weather and a dry strong wind which was putting
> quite a static charge on my dipole.
>
> Ever see the movie "The Hunt for Red October"?  They had to bring the
> helicopter to the same potential (i.e. ground) as the sub before they 
> could
> have Alec Baldwin repel down.  Of course that's Hollywood - Maybe some of
> you Ex-Navy guys can confirm if that much static is built up by the
> helicopter rotors.
>
> Fortunately my Pro II and IC-706 haven't had any issues yet here in NC.
> (Knock on wood)
>
> Static is more than QRN  :)
>
> Walt - WB2VSJ
>
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] 
> On
> Behalf Of Dick Flanagan
> Sent: Thursday, July 16, 2009 7:19 PM
> To: ICOM Reflector
> Subject: Re: [ICOM] IC-756PROIII No Transmit
>
> Gary's advice is excellent.  I live in a very dry climate and in the
> summer I can draw a hear the snapping of an arc from the center
> conductor to the ring of a PL-259 connector connected to an unused
> vertical antenna.  Use some means of continuously draining the ESD
> voltage from your coax.  ICE makes a lightning suppressor that does
> this or you can configure an RF choke or even a simple non-inductive
> resistor from the center conductor to ground to drain off the charge.
>
> Dick
> --
> Dick Flanagan K7VC
> dick at k7vc.com
>
>
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> ----
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