[Amps] Junk Connectors, Junk Coax; Junk Hardware

[Jim]

I order hardware from McMaster.  You always get what you order from the 
extensive on line catalog. Good prices too.

Stainless (several grades), bronze, copper, brass, black anything you 
could want.

Thanks
73
Jim W7RY

On 4/8/2021 2:26 PM, Robert W5AJ wrote:
> same with stainless steel hardware!!!
> I'm working on HB AMP in garage and have magnet on work bench checking
>
> claimed SS washers / split washers are worst!   very - very magnetic and
> junk as I see it (Those washers were bought at local hardware store, as my
> stash was out)
>
> FWIW,
> good results with Stainless with Kemah Hardware when I could buy local from
> them,
> but now live far from them so going with mail order
>
> www.marineboltssupply.com <http://www.marineboltssupply.com>
>
> JUNK CONNECTORS:   Had barrel connector fail, corrosion, at top of tower but
> far enough out boom that couldn't reach....    No longer install barrel
> connectors in the air.   If I have to install new coax, so be it - from
> connection at Driven element to ground level.
>
> PL259
> Connectors, like SO239 chassis mount for PL259, where can we obtain quality
> connector these days??
>
> Robert W5AJ
> Midland, Texas
> http://pages.suddenlink.net/w5aj/
>
> -----Original Message-----
> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Jim Brown
> Sent: Thursday, April 08, 2021 1:49 PM
> To: amps at contesting.com
> 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.
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