https://www.pi4cc.nl/tech-info/stubs/
PeterPc2a
Verzonden vanaf mijn Samsung Galaxy-smartphone.
-------- Oorspronkelijk bericht --------Van: Rudy Bakalov via CQ-Contest
<cq-contest@contesting.com> Datum: 26-07-16 17:42 (GMT+01:00) Aan: Jeff AC0C
<keepwalking188@ac0c.com> Cc: Joe <nss@mwt.net>, Jukka Klemola
<jpklemola@gmail.com>, cq-contest <cq-contest@contesting.com> Onderwerp: Re:
[CQ-Contest] Coax Stubs for SO2R
This is very helpful and practical. How many stubs do you actually have? I am
very curious how they all fit in a metal can. Do you mind sending me a few
pictures to get a better idea?
Rudy N2WQ
Sent using a tiny keyboard. Please excuse brevity, typos, or inappropriate
autocorrect.
> On Jul 26, 2016, at 10:37 AM, Jeff AC0C <keepwalking188@ac0c.com> wrote:
>
> I would guess most guys don't go to this much effort. New stuff and
> optimized placement? Wow, that would be cool!
>
> I built the stubs up on an as-needed basis with whatever I had laying about;
> there's no LMR400 around here. It's all RG-11 or 213. 213 has a bit better
> attenuation dip and is more rugged. All of the T connectors were Chinese
> specials initially and later most were swapped with AMP parts that I ran
> across at swaps and hamfests. Never blew up a Chinese one though so can't
> say the 50 year old AMP are better.
>
> The stubs are hanging off of the existing tower-based 2x6 antenna switch
> which feeds a bunch of monobanders so no additional switching was needed. I
> did not optimize the placement; had room for them and it was easy to do so
> they went out there.
>
> They live in a metal trash (no UV/mouse problems like plastic) can which is
> staked to the ground (so it does not blow away in the big winds we get).
> There is a foot of some sort of Styrofoam stuff at the bottom so if the thing
> ever starts taking on water for some reason, it won't leave them swimming.
> Although if you seal the stub ends, it
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