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Subject:
From:
andy m0ceg <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Tue, 28 Nov 2006 09:25:34 -0000
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text/plain
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Hello Chris,  I use  the PL259 compression type,  which  is very simmaler 
to the N type of plug,  the braid is held in place by the nut on the back, 
I find these ver good,  as for using these as a totally blind person side of 
things I find very good,
----- Original Message ----- 
From: "Christopher Moore" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, November 28, 2006 1:01 AM
Subject: Re: Another method of soldering PL-259's


> Does fully assembled mean that you don't unscrew the outer piece and
> slide it back on the coax as you normally would?  Also, it would take a
> lot of solder to go all the way around the connector.  Not sure how the
> braid would be held in place while you solder.
> Finally, this method may be designed for large diameter coax.
>
> Anyway, it's certainly worth a try.  The connectors you buy these days
> are all coming through crimped.
>
> 73, Chris w1gm
> On Mon, Nov 27, 2006 at 06:06:55PM -0500, steve wrote:
>> Since this subject pops up from time to time, and this method avoids
>> soldering  the braid through the little holes,  I thought some might find 
>> it
>> of interest.    Tim, K3LR posted this discription to the Tower Talk list 
>> and
>> I asked him if he minded  me posting it to this list.
>>
>> For what it's worth, K3LR has a world class DXing and contesting station
>> with a bunch of towers, over 20 yagis, another 20 verticals, some rx
>> antennas,  and all the switches and filters needed to run a high power
>> multi-multi station.   Says he has hundreds of PL 259's installed  in 
>> this
>> manner with no failures  in over 20 years.
>>
>> Steve KW3A
>> >From K3LR:
>> I have hundreds of silver plated PL-259s in service at my station. They 
>> are
>> all
>> soldered the same way. It is different from what almost everyone else 
>> does.
>> Good soldered shields are very important to me.
>>
>> I was never sure my shields were well soldered or had melted the 
>> dielectric
>> before using this method (before 1982).
>>
>> Bill, N4AR taught me how to do this and I have been doing this
>> "unconventional
>> method" ever since.
>>
>> Using silver plated PL259s makes this system a breeze. I use the ones 
>> that
>> say
>> "Made in USA" on the shell.
>> I will try to describe the method. I need to post some pictures on my web
>> site.
>>
>> Take a fully assembled (shell + body) connector.
>> Measure the connector against the RG8 (or similar) coax.
>> Take the outer covering of the coax off with a sharp knife.
>> Pull the braid back all the way by fanning it out.
>> Wrap 3 to 4 turns of Scotch 88 black tape around the center conductor
>> dielectric
>> up against the fanned out braid.
>> Use wire strippers and remove the remaining dielectric from the center
>> conductor.
>> Install the fully assembled PL259 onto the center conductor and over the 
>> 88
>> tape.
>> The back of the PL259 body should rest on the fanned out shield.
>> Solder the center conductor.
>> Fan out the shield and cut it to 1/4" long and fold over the back of the
>> PL259.
>> Solder the shield all the way around to the back of the PL259 body.
>> While the back is still hot wrap 2 turns of 88 tape around the soldered
>> shield
>> to seal it good.
>>
>> I use a Weller D550 soldering gun for this process
>>
>> Now you can enjoy a well soldered shielded PL259! I have NEVER had one 
>> fail!
>>
>> There may be a small impedance bump that you might be able to see at VHF
>> caused
>> by this method vs. soldering through the holes, but the N4AR method
>> guarantees a
>> well soldered shield which is much more important to me.
>>
>> 73!
>> Tim K3LR
>>
>> http://www.k3lr.com
>
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