[TowerTalk] Topband: Rather use N-type (was Re: The answer to PL-259

[Steve Maki]

Well here's the advantage of captivated center pins: the pin is NOT 
bonded to the center conductor. IOW, if the coax center conductor 
shrinks a bit, it can slide in the center pin and the pin stays put.

And that's exactly what you want it to do - especially with an N connector.

-Steve K8LX

On 12/07/18 14:25 PM, Mike Waters wrote:

> Exactly my experience, even with captivated pins!! And my coax runs
> were only about 100' long.
> 
> The captivating washers were made of Teflon®, *and Teflon cold
> flows*. This was when I lived in Toledo, Ohio when the temperature
> dropped well below zero.
> 
> Four photos of those N connectors are at 
> http://www.w0btu.com/files/misc/N_plugs . See the last two.
> 
> 73, Mike www.w0btu.com

> On Fri, Dec 7, 2018, 1:02 PM Richard (Rick) Karlquist
> <richard at karlquist.com> wrote:
> 
>> My two 500 foot RG-216 military surplus cables both eventually
>> exhibited retracted pins on the type N connectors at both ends.  I
>> replaced them with PL-259's.  ...  Success anecdotes about install
>> once and never touch again commercial sites are probably not
>> relevant to ham applications.