[Amps] Junk Connectors, Junk Coax

[Carl]

Personally I wouldnt use DXE connectors and stick to USA quality 
commercial/mil grade products..


----- Original Message ----- 
From: "Jim Brown" <jim at audiosystemsgroup.com>
To: <amps at contesting.com>
Sent: Thursday, April 08, 2021 2:49 PM
Subject: [Amps] Junk Connectors, Junk Coax


> On 4/8/2021 7:06 AM, Chris Wilson wrote:
>> I am now slowly changing out all UHF Chinese junk to branded N types
>
> Junk connectors are a scourge. In North America, if it isn't vintage MIL 
> spec or Amphenol, it's junk. I learned this the hard way. When getting 
> back on the air in 2003 after 20+ years off, I stocked up with lots of 
> those cheap adapters from hamfest vendors. Over the next six years, they 
> cause me no end of grief. Some fell apart, some overheated with power 
> during a contest because the center conductor in an elbow was a tiny 
> spring, some caused exactly the sort of intermittent or power handling 
> problem that Frank is experiencing.
>
> There is ZERO need for any thing better than a well-installed 83-1SP (no 
> suffix) below 2M. The hand wringing about non-constant impedance is the 
> result of a failure to understand transmission line fundamentals. Nearly 
> all of my coax (except for RG400 jumpers) is foam, and I've never had an 
> issue with it melting because I use good quality coax from known 
> factories, I use a quality iron and a good bench vise to hold the work, 
> and coax is all Belden, Commscope, or Davis RF. I have nothing sold as 
> "LMR400 equivalent." And I have a lot of hard line.
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps 


---
This email has been checked for viruses by AVG.
https://www.avg.com