[Antennas] Coax strip tools
George Frederick
gefred08 at gmail.com
Mon Dec 14 14:45:43 EST 2009
Lee,
After working in the electronics installation & repair field for over 40
years, the best coax 'stripper' I recommend is any type that uses an
internal blade that, when the tool is clamped-on & rotated 360
degrees, allows you to then pull off the cut section(s) of outter jacket,
shield & center conductor insulation in a single hand movement. Precision
designs will cut thousands of times to very close tolerances, necessary to
prevent 'nicking' any of the internal wires. Unfortunately these can be
quite expensive if you buy a 'universal kit' made for production use &
designed to allow for many different coax types and precise cut-length
selection by blade adjustment or blade cassette choice. Simpler (and
much-much cheaper) one-of-a-kind plastic models are now readily available
that narrow use down to specific cable series of near-similar dimensions.
If all you strip is small & medium sized coax such as RG6/58/59 &
RG8/213/214, RG174 & LMR400 etc., in small batches, then the purchase of
just two to four of these tools may meet all your amateur needs for many
years of use. Good grade tools of this type will run under $50 apiece
if you shop around.....in plastic some are as low as under $10. A club
making the purchase and loaning them around is a great way to cut the cost
to the bone.
73 George AF6JT
On Mon, Dec 14, 2009 at 9:00 AM, <antennas-request at mailman.qth.net> wrote:
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> Today's Topics:
>
> 1. Antennas - Grounded or Ungrounded? (Edward Dickinson, III)
> 2. Re: Antennas - Grounded or Ungrounded? (C.Whitaker)
> 3. Coax strip tools (Master Lee)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 13 Dec 2009 13:34:34 -0500
> From: "Edward Dickinson, III" <softblue at windstream.net>
> Subject: [Antennas] Antennas - Grounded or Ungrounded?
> To: <antennas at mailman.qth.net>
> Message-ID: <B51C1D5AB7CC4A0EB543F6C4753C1600 at PC>
> Content-Type: text/plain; charset="us-ascii"
>
> I'm in the unfortunate position of replacing a remote coaxial antenna
> switch. The replacement will allow for grounding of latent antennas or
> leaving them ungrounded via the remote switching unit.
>
> The position of the remote unit will be about 15' up a tower about 40'
> tall.
> The tower is currently ungrounded...at least the base. The backyard is 80'
> x 80' and I'm apt to have a variety of wire and/or vertical antennas up at
> any given time.
>
> Currently I have a Windom at 38', a 2 meter vertical atop the tower and a
> multiband vertical array (work in progress) in the yard. The Windom has a
> remote matching unit at the 1/3rd point. The verticals are DC grounded and
> have no radial field.
>
> Perhaps there are some thoughts to be shared about antenna interactions,
> safety or other in the context of grounded or ungrounded at the switch for
> inactive antennas.
>
>
> 73,
>
> Dick - KA5KKT
>
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 13 Dec 2009 22:28:05 -0500
> From: "C.Whitaker" <whitaker at pa.net>
> Subject: Re: [Antennas] Antennas - Grounded or Ungrounded?
> To: antennas at mailman.qth.net
> Message-ID: <4B25B0C5.90308 at pa.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> de WB2CPN
> Ungrounded things can build up static charges. Try to
> avoid Zaps. Anti-Static grounds need not be a zero Ohms
> type ground. The way wires can show a random interaction
> with other nearby wires, what you have there is largely
> unpredictable. You could experiment by transmitting a carrier
> on one antenna, and measuring the current, (or signal level), you
> can find in the other wires. Heisenberg: You'll mess up the
> situation if you try to measure anything. You figure.
> 73 Clete
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 15 Dec 2009 00:06:34 +1030
> From: "Master Lee" <vk5abc at optusnet.com.au>
> Subject: [Antennas] Coax strip tools
> To: <antennas at mailman.qth.net>
> Message-ID: <3FA69231CC9E4E68960E4879605F5CBF at ufp>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
>
> Hello All
> Is there such a thang as a good coax stripping tool? Your comments please!
>
> 73 Lee
>
>
> ------------------------------
>
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> End of Antennas Digest, Vol 71, Issue 6
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