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Re: [Amps] Alpha 87A Won't Transmit

To: Tim Duffy <k3lr@k3lr.com>
Subject: Re: [Amps] Alpha 87A Won't Transmit
From: Ming Ying via Amps <amps@contesting.com>
Reply-to: Ming Ying <n2iw@me.com>
Date: Mon, 12 Apr 2021 00:06:00 -0400
List-post: <mailto:amps@contesting.com>
Hi Tim,

I’ve been wanting to ask you this question for a while - if you are going to 
put PL-259s on RG-213s today, would you use 83-1SP with this method? Or you’ll 
use the new DXE Next Generation Crimp/Solder connectors?

Thanks,
Ming N2IW

> On Apr 9, 2021, at 8:22 AM, Tim Duffy <k3lr@k3lr.com> wrote:
> 
> Hello Ron:
> 
> There are 100's of PL-259's here at K3LR soldered that way - and they work 
> perfect. No failures in over 40 years of doing this method shown to me by 
> N4AR.
> Best of all the dielectric never melts when soldering the shield. 
> 
> I have seen other stations where guys try to solder through the body holes 
> with terrible results. If you can do it - that is great.
> 
> 73
> Tim K3LR
> 
> -----Original Message-----
> From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Ron W4BIN Youvan
> Sent: Friday, April 9, 2021 11:19 AM
> To: amps@contesting.com
> Subject: Re: [Amps] Alpha 87A Won't Transmit
> 
>    Robert W5AJ wrote:
> 
>> about decade ago, read about method used at K3LR
>> started doing it LR way
>> Works!
> 
>> http://www.k3lr.com/engineering/pl259/
> 
>   This method is the wrong method.  As recommend by the ARRL and others,
> It is best to not fan out the shield, but cut it about ¼" past the 
> jacket and tin
> the shield  into copper tube, then screw the connector on to the cable, 
> threaded
> onto the jacket and solder through the FOUR holes from the connector to the
> tinned shield.  A pencil tip flame propane torch can be used, if very 
> careful use
> is involved.
> 
>   When I began as a broadcast engineer in 1963 every video cable had a
> PL259 on each end of sections of RG-11/U and dependability was job #1.
>                                                               75Ω
> -- 
>   Ron  W4BIN - Understanding is much better than
>                                     knowing how.
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