[TowerTalk] Coax Disconnection

Sat Aug 9 20:07:49 EDT 2003

Try:

http://www.radio-ware.com

Gil, W1RG

----- Original Message ----- 
From: "Tom Anderson" <ww5l at gte.net>
To: "Phil - KB9CRY" <kb9cry at comcast.net>
Cc: <towertalk at contesting.com>; "srefurd" <srefurd at earthlink.net>
Sent: Saturday, August 09, 2003 12:07 PM
Subject: Re: [TowerTalk] Coax Disconnection


> Anyone know where you can purchase Polyphaser's book on grounding?  I
> can't remember the exact title but its something like "The
> grounds......."
> I tried Polyphaser and they don't sell it direct.
>
> Tom, WW5L
>
> Phil - KB9CRY wrote:
> >
> > Two places for info.
> > Go to the Polyphaser website http://www.polyphaser.com/and thoroughly
> > read through all of their technical articles.  They describe exactly
> > what to do.
> > Also go to the ICE website
> > http://www.arraysolutions.com/Products/ice/index.html
> > <http://www.arraysolutions.com/Products/ice/index.html> and read through
> > their articles.
> >
> > Purchase the suppressor unit, ground rods, clamps or CadWelds, and
> > proper wire and hook it all up.  Personally I use ICE equipment but both
> > companies offer top quality hardware and are of the same design and
> > capabilities.  From my experience it really works.  Some folks have
> > posted that they believe their tower is a lightning attractor and is
> > just waiting and asking to take a strike. From what I've learned that's
> > totally false if the tower and supporting cables are properly grounded
> > and bonded.  When lightning strikes, there is actually a ground leg of
> > lightning that forms and goes up from the ground to meet the sky bolt.
> >  The ground or tower must have been able to accumulate sufficient
> > opposite charge to be able to complete the circuit that the sky bolt is
> > looking for.  If your tower and cables are constantly bleeding away
> > charge and not allowing any static charge to accumulate, then lighting
> > will look for another charged area in which to ground itself.  Now of
> > course one can not always fool Mother Nature and if you do take a hit,
> > then you'll really want these protectors to stop the charge outside the
> > shack and shunt it to ground. Finally remember what we all really should
> > be concerned about is not the direct strike but the nearby strikes.
> >  These are always occurring and are always, always inducing current and
> > voltage into our towers.  That induced current is what will also fry our
> > radios.  I'm always learning like everyone else but please feel free to
> > contact me if you have questions, or better yet, call up Polyphaser or
> > ICE, they are really nice folks and will offer help.  Phil  KB9CRY
> >
> > srefurd wrote:
> >
> > >I wouldn't understand high science, but I would like some details.
> > >Thanks for the opportunity to learn!
> > >
> > >Railey Efurd
> > >----- Original Message -----
> > >From: <kb9cry at comcast.net>
> > >To: "Rick Ellison" <rellison at twcny.rr.com>
> > >Cc: <towertalk at contesting.com>
> > >Sent: Thursday, August 07, 2003 11:00 AM
> > >Subject: Re: [TowerTalk] Coax Disconnection
> > >
> > >
> > >
> > >
> > >>Personally, I have so many cables and wires coming in from outdoors, I
> > >>
> > >>
> > >never
> > >
> > >
> > >>disconnect.  Everyone has lightning protection and my single point
ground,
> > >>station ground, perimeter ground, and tower grounds are all very
robust
> > >>
> > >>
> > >and are
> > >
> > >
> > >>tied together (CadWelded).  I never disconnect.  Most coax cables do
go to
> > >>
> > >>
> > >a
> > >
> > >
> > >>switch so that the desired antenna can be switched to the rig.  I've
> > >>
> > >>
> > >received a
> > >
> > >
> > >>30 amp surge through the system from a nearby lightning strike and had
no
> > >>damage.  (Verified by other means; contact offline for info if
curious.)
> > >>Lightning never seems to want to directly strike my antennas; must be
the
> > >>
> > >>
> > >good
> > >
> > >
> > >>bleed-off of static from the system.  Commecial radio stations and the
> > >>
> > >>
> > >police
> > >
> > >
> > >>and fire depts. never disconnect and we radio operators shouldn't have
to
> > >>
> > >>
> > >also
> > >
> > >
> > >>if we've designed our systems properly, cover all the bases,  and
don't
> > >>
> > >>
> > >use
> > >
> > >
> > >>shortcuts.  Phil  KB9CRY
> > >>_______________________________________________
> > >>
> > >>See: http://www.mscomputer.com  for "Self Supporting Towers",
"Wireless
> > >>
> > >>
> > >Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
any
> > >questions and ask for Sherman, W2FLA.
> > >
> > >
> > >>_______________________________________________
> > >>TowerTalk mailing list
> > >>TowerTalk at contesting.com
> > >>http://lists.contesting.com/mailman/listinfo/towertalk
> > >>
> > >>
> > >>
> > >
> > >
> > >
> > >
> > >
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk at contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>