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

To: amps@contesting.com
Subject: Re: [Amps] Alpha 87A Won't Transmit
From: Aleksandar Petkovic <vk6apk@bigpond.com>
Date: Fri, 9 Apr 2021 19:39:15 +0800
List-post: <mailto:amps@contesting.com>
Yes, it is not the correct method but it works very well. Even if it doesn't look nice.

I am not guilty of doing it like that but I've recommended it to people who have serious challenges doing it the "proper" way

I actually file the four holes with a small round file, to elongate the 4 holes and form a thinner but larger surface of brass to solder to. The solder flows into the lightly pre-tinned braid a lot easier and joins to the brass properly.

73, Alek. VK6APK


On 9/04/2021 11:19 pm, Ron W4BIN Youvan wrote:
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
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