[TowerTalk] Outdoor Coax Issue

[Roger (K8RI)]

Doug Turnbull wrote:
> Outdoor Cable Issue.
>
> 	I have both a comment and a question.   I wonder why people do not
> use 50/75 mm (2/3 inch) drainage pipe.   This pipe is perforated along its
> length and both admits and allows water to flow out.   Because it is used in
> quantity the price is normally pretty low.   I would imagine it take work to
> put in but would certainly not stay water logged unless your ground is
> always saturated.
>
>     How quickly does standard RG213 rot out in the soil.  

It doesn't unless the soil has either a very high or very low PH.
It should last far longer underground than out in the elements unless 
the soil is stony or gets a lot of traffic right over the coax.
>  I plan to put in
> a K9AY about 250 feet from the shack and need to run control and coax back.
> It is recommended though not required to bury the coax in order to cut
> interaction with the 160M transmit antenna.   It might not be such a bad
> thing to replace the coax after three years if it would last that long.
> For that matter I have some twenty-five year old RG213 on its original drum.
>   
If it's name brand, unless it's been subjected to high temperatures 
and/or humidity it 's probably almost as good as it was when it arrived.

73

Roger (K8RI)
> This may not be the best coax in the world but perhaps is okay for use at
> 1.8 MHz for a RX antenna.   Any comments are appreciated.
>
>      A problem I may face with the long coax run laying on the ground is
> rabbits dining on it.   You can not win.   I do not want to dig a 250 foot
> trench through a wood.
>
>                    73 Doug EI2CN
>
>