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Re: [TowerTalk] LMR600

To: "Daron J. Wilson" <daron@wilson.org>,"'TowerTalk'" <towertalk@contesting.com>,"Jim Lux" <jimlux@earthlink.net>
Subject: Re: [TowerTalk] LMR600
From: "K8RI on Tower talk" <k8ri-tower@charter.net>
Date: Fri, 24 Feb 2006 01:45:48 -0500
List-post: <mailto:towertalk@contesting.com>



> At 08:27 PM 2/23/2006, Daron J. Wilson wrote:
>>Yup, it does pretty good.  However, I would recommend using the adhesive
>>lined heat shrink tubing included with the LMR600 fitting and installing 
>>it
>>per the manufacturer's recommendation (i.e. use the heat shrink).  The
>>supplied heat shrink is not bad, it is not nearly as thick and durable as
>>the 3M product used for underground electrical splices, I keep all sizes 
>>of
>>that as well and prefer it generally for the fittings.  There are two
>>issues:
>>
>>1. install the fitting correctly and seal it with the coax.  For this 
>>task,
>>the manufacturer provides nice adhesive lined heat shrink.
>>
>>2. weatherproof the fitting AFTER installed to the antenna connector.  For
>>this purpose, I generally wrap the connection once with good (scotch 33 or
>>88) vinyl tape, stretching the tape tightly and allowing it to shrink back
>>down as you wrap it.

I forgot to show the second tube installed. In the photo, the "unshrunk" 
tube is positioned above the connectors, but there is no photo showing the 
finished procedure.

Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
www.rogerhalstead.com
>
> Wrap inside out (sticky side out), and the connector is clean after
> disassembly.
> You're using the goopy rubber tape for sealing, but the gooey part will be
> farther back down the coax.
>
>>   Next, I coat the tape with 3M scotchkote, a nasty
>>gooey sealant.  When it is almost dry, I wrap the fitting assembly with a
>>high quality rubber tape, again, stretching it as I wrap so it sucks down
>>solid on the connector with each wrap.  Next, another coat of scotchkote,
>>then a final wrap of 33 or 88 to finish it off.  Alternately, you can use
>>coaxseal or 'live rubber' type products instead of the rubber tape, it is
>>thicker and stickier.
>>
>>I just did 38 locations with yagi's and LMR600, sealed as above, nice and
>>solid.  I used the EZ crimp fittings which are spendy ($16) but when armed
>>with the EZ strip tool, the deburring tool, and the proper crimper, it 
>>saves
>>money in labor and they make a very nice installation.
>>
>>Good luck!
>>
>>N7HQR
>>
>>
>>
>> > -----Original Message-----
>> > From: towertalk-bounces@contesting.com [mailto:towertalk-
>> > bounces@contesting.com] On Behalf Of DAVID O'NEILL
>> > Sent: Thursday, February 23, 2006 8:14 PM
>> > To: 'K8RI on Tower talk'; 'WA3GIN in Alex. City, VA'; 'Courtney Judd
>> > K4WI'; 'TowerTalk'
>> > Subject: Re: [TowerTalk] LMR600
>> >
>> > RUBBER TAPE IS A EXELLANT MOISTURE SEALANT
>> >
>> > -----Original Message-----
>> > From: towertalk-bounces@contesting.com
>> > [mailto:towertalk-bounces@contesting.com] On Behalf Of K8RI on Tower
>> > talk
>> > Sent: Thursday, February 23, 2006 11:06 PM
>> > To: WA3GIN in Alex. City, VA; 'DAVID O'NEILL'; 'Courtney Judd K4WI';
>> > 'TowerTalk'
>> > Subject: Re: [TowerTalk] LMR600
>> >
>> >
>> >
>> >
>> > >I wrap standard vinyl electrical tape around the connector then use
>> > heat
>> > > shrink over it.
>> >
>> > Typically, I apply the flooded 3-M heat shrink directly over the
>> > connector
>> > and out onto the coax for several inches.
>> > http://www.rogerhalstead.com/ham_files/connectors.htm Applying tape 
>> > over
>> > the
>> > connector part would certainly make it easier to get apart.  Without 
>> > the
>> >
>> > tape it's pretty much a permanent connection you'll probably throw away
>> > if
>> > you take it apart.
>> >
>> > Roger Halstead (K8RI and ARRL 40 year Life Member)
>> > N833R - World's oldest Debonair CD-2
>> > www.rogerhalstead.com
>> >
>> >
>> > >
>> > > 73,
>> > > dave
>> > > wa3gin
>> > >
>> > >
>> > > -----Original Message-----
>> > > From: towertalk-bounces@contesting.com
>> > > [mailto:towertalk-bounces@contesting.com] On Behalf Of K8RI on Tower
>> > talk
>> > > Sent: Thursday, February 23, 2006 9:34 PM
>> > > To: DAVID O'NEILL; 'Courtney Judd K4WI'; 'TowerTalk'
>> > > Subject: Re: [TowerTalk] LMR600
>> > >
>> > > I don't know what heat shrink tubing you've been using, but I use 
>> > > good
>> > > quality commercial grade, flooded, that is widely used in industry 
>> > > and
>> > it
>> > > works very well and has for some years.  It does not leak water or
>> > even
>> > > moisture.
>> > >
>> > >
>> > >
>> > >
>> > _______________________________________________
>> >
>> >
>> >
>> > _______________________________________________
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>> >
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>>
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