Re: [IRCA] Coax Cable

[Mauno Ritola <Mauno.Ritola@xxxxxxxxxxxxxxx>]

I had RG58 in 'moisture' for a decade: in fact 70 metres at the bottom 
of a pond! Everybody said, that it won't work, but I didn't notice any 
problems. But I had them on the part, which was on the ground: hares bit 
it broke and 3 years ago I replaced it with a better one: Tri-Lan RF240. 
It wasn't cheap for almost 300 metres feed, but I think it will last as 
long as ... Now I buried it carefully a few cm also on the ground. I 
think all is well as long as the shield doesn't get breaks.
Getting a length of coax inside a garden hose isn't as easy as it may 
sound, I tried. Some length goes easy, but in the end one needs to put 
first a string with air pressure. I am glad, that I didn't take the trouble.

Best regards,

Mauno

Nick Hall-Patch kirjoitti 28.1.2019 klo 6:06:
> Haven't seen any response to this, James, and am probably not going to 
> be much help.
>
> I've just used RG58 variants for up to 100' in permanent installations 
> around the yard, 10 to15 years in some cases.ÂÂ One of them runs 
> through about 70' of rigid PVC electrical conduit IPEX #032907 and is 
> buried.ÂÂ Mind you, I've heard that although such conduit will keep 
> the groundwater away from the coax, water vapor will condense inside, 
> leading to a wet interior anyway. That coax still seems to work,so 
> maybe it's dry...or maybe not.
>
> On DXpeditions, I've run over 500' of RG58 coax to DKaz'es and such, 
> and not suffered particularly.
>
> best wishes,
>
> Nick
>
>
> At 22:26 2019-01-27, James Niven wrote:
> > I am curious as to what type of coax everyone uses for DKAZ antennas and
> > also general international shortwave band listening dipoles?
> >
> > It's time to revamp my antennas and I want to use the right cable 
> > that will
> > last for a while.
> >
> >
> >
> > I have read that RG-8U is good for long runs of a 100 to 150 feet, 
> > and if I
> > was to bury my coax, which is the best pipe/conduit to use to bring my
> > cables into the shack?
> >
> >
> >
> > thanks
> >
> >
> >
> > James Niven
> >
> > Austin, Texas
> >
> >
> >
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> Nick Hall-Patch
> Victoria, BC
> Canada
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