[ICOM] Oh NO!!!!
nagel.david at sbcglobal.net
nagel.david at sbcglobal.net
Wed Apr 25 15:22:50 EDT 2012
That great static charges can be generated in a snow storm is evidenced by lightening discharges in the middle of the storm. Once again electricity doesn't know or care where it is going it just wants to reach base level charge. If you or your radio are in the way so be it.
Dave W2OVP
--- On Wed, 4/25/12, Erkki Heikkinen <erkki.heikkinen at pp.inet.fi> wrote:
> From: Erkki Heikkinen <erkki.heikkinen at pp.inet.fi>
> Subject: Re: [ICOM] Oh NO!!!!
> To: "'ICOM Reflector'" <icom at mailman.qth.net>
> Date: Wednesday, April 25, 2012, 2:09 PM
> My IC-7400 (= IC-746PRO) was damaged
> most probably because I did not
> ground the coax tip BEFORE reconnecting the antenna after a
> static snow
> storm when I was living in France. These storms can
> develope
> unbelievable voltages to the antenna which can act as a
> capacitor. I
> sometimes heard the disconnected RG-58 coax to short ("nacks
> nacks")
> during such a storm. I also had a spark to jump from a
> disconnected coax
> tip to my keyer - the distance was over three inches.
>
> Damage to my IC-756P3 came in from the GROUND lead during a
> not-so-close
> thunderstorm - everything else was disconnected. Using a
> quality coax
> switch for antenna grounding instead of disconnecting the
> coax has been
> succesful for several years now, but who knows...
>
> Yes, I do miss the old tube rigs which never failed for this
> reason.
>
> 73 Erkki OH2BF
>
>
>
> > -----Original Message-----
> > From: icom-bounces at mailman.qth.net
>
> > [mailto:icom-bounces at mailman.qth.net]
> On Behalf Of Eddy Swynar
> > Sent: Wednesday, April 25, 2012 9:42 PM
> > To: ICOM Reflector
> > Subject: Re: [ICOM] Oh NO!!!!
> >
> >
> >
> > On 2012-04-25, at 2:38 PM, Mike Olbrisch wrote:
> >
> > > I am SO glad I still have my
> IC-781/IC-3KL/IC-AT500. It may all be
> > > getting a little older - but it has not failed me
> yet.
>
> ----
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