[Elecraft] K3 loss of rx signal

[Walter Underwood]

According to Amphenol, UHF connectors have the same rating as BNC, 500V. Type N connectors can handle 1500V.

I use BNC and N connectors wherever possible.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Apr 3, 2017, at 7:12 PM, Ron D'Eau Claire <ron at cobi.biz> wrote:
> 
> Note that BNC connectors can easily handle a kW of RF power unless there is
> a high SWR on the line. They are rated for 500V. 
> 
> 73 Ron AC7AC
> 
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Edward
> R Cole
> Sent: Monday, April 3, 2017 6:24 PM
> To: Elecraft Reflector
> Subject: Re: [Elecraft] K3 loss of rx signal
> 
> Simple - use something better than PL-259's:
> 
> I mainly use N connectors for low loss/high power and BNC for low power
> inside the shack connections.  I also have TNC and sma connectors.
> 
> Most connectors need a 1/4 turn beyond finger tight for reliable
> connections.  Sure cure for loose connectors is heat shrink over them.  Not
> only seals from wx but also loosening due to vibration.
> 
> Want to see what vibration does?  Install a radio in a D8 cat without some
> kind of vibration damping.  I did long ago, and the Motorola 100w VHF radio
> was a cabinet full of loose parts after 8-hours running of the cat.  Wonder
> why military radios are full of glyptol, or completely potted in plastic?
> 
> 73, Ed - KL7UW
>   http://www.kl7uw.com
> Dubus-NA Business mail:
>   dubususa at gmail.com 
> 
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