Re: [IRCA] Coax Cable

[Volodya S <canswl@xxxxxxxxx>]

High, Jim!  I think you have little to worry about no matter what you
choose, electrically, at least.  The more important issue is durability.
Depending on what I'm doing, I use different coax cables.   Lengths
shouldn't be an issue, either.  We experimented with lengths up to 1000' at
Grayland many years ago, and no difference was seen between (K9AYs, I
believe) at the ocean shore, or right next to the Grayland Motel, so don't
worry about that.   Next is weight.  When travelling, I'll use the super
thin RG174 coax (50 ohm), which fits nicely into the suitcase at minimal
weight.  For cost, one can't beat 75 ohm RG6 coax which can be purchased
everywhere for pennies a foot.  I've used that a lot over the years, and it
lasts well for a number of years outside.  Now for more permanent weather
impervious coax, I've used a very heavy duty Belden 8215 milspec 50 ohm
cable.  I was fortunate to buy military surplus brand new role of about
1000' or so years ago, and it's virtually indestructible, and can be buried
without worry about water infiltration, at least not for years.   A local
DXer, Brian Chapel, gave a great idea, though, about what to use with
regular coax if one buries it on runs.  He recommended buying a long run
(or runs that have been thrown out) of garden hose.   What a great idea.
Then you simply run the coax through it from one end to the other.   Don't
know if anyone has tried this, but if it remains intact, it should keep
coax dry and clean for many years, buried.   Any other thoughts?    73,
 Walt

On Sun, Jan 27, 2019 at 10:26 PM James Niven <jniven@xxxxxxxxxxxxx> 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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