RG11 possibly would withstand many KW. Its loss on 40m is miniscule, around
0.4 db/100'. Even the loss of the smaller RG6 is negligible (0.7 db/100').
I use Commscope Rg6 ($80 for 1000') in my 4 sq on 80m. F connectors from
Lowes and F/UHF adapters. Never a problem at a KW level.
Ignacy, NO9E
On Sun, Oct 10, 2021 at 10:23 PM <john@kk9a.com> wrote:
> I would not want an F connector on any of my TX antennas. I do not have any
> RG11 however I thought that a standard PL-259 such as an 83-1SP fits that
> cable perfectly.
>
> John KK9A
>
>
> CAROL RICHARDS n2mm wrote:
>
> Hello all,
>
> I have two questions which I hope someone will be able to answer...
>
>
> 1. I have acquired a large supply of 75 ohm ( aka RG 11) CATV hardline from
> the local CATV company. They were even kind enough to install the
> F-fittings
> for me. I have enough F-PL259 adapters to use with the cable. Will the CATV
> fittings handle 1kw on 80m and 40m inverted vee's?
>
> 2. I built several 1:1 Current Baluns from the April 2021 issue of QST and
> they work fine. The specs say they will handle legal limit. Both my 80m and
> 40m vees are cut for CW. When I want to go on SSB, I usually run the coax
> through a Palstar AT2K tuner. I never worried about this before since I
> always used coax chokes, but now I might have some concerns. Although the
> amplifier ( 1kw) is happy, SWR-wise, I realize that I might have some high
> voltage that might be going through the chokes and ultimately fry them. Any
> Thoughts out there?
>
>
> Carol
>
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