[MRCA] remote antenna conduit?
J. Forster
jfor at quikus.com
Sun Sep 8 21:50:34 EDT 2013
There is flexble vinyl coated PVC like BX that is used in wet locations.
Good stuff, except some critters might lunch on it. 'Liquitite', maybe?
-John
================
> Boy, I feel dumb. That is, of course, a better idea than soldering a
> multi-pin connector under the trees! The rigid PVC won't work because I
> live on a hill and also there is lots of bedrock that I will need to route
> around and avoid. Will have to be flexible.
>
>
> 73 Eugene W2HX
>
>
>
> -----Original Message-----
> From: mrca-bounces at mailman.qth.net [mailto:mrca-bounces at mailman.qth.net]
> On Behalf Of Peter Gottlieb
> Sent: Sunday, September 08, 2013 9:39 PM
> To: mrca at mailman.qth.net
> Subject: Re: [MRCA] remote antenna conduit?
>
> You could pull it the other way and do the soldering in your shack. For
> control signals the barrier block is fine. I like rigid PVC, it's not that
> expensive.
> Consider running heliax, less loss and more stable.
>
>
> On 9/8/2013 9:29 PM, W2HX wrote:
>>
>> Hello all,
>>
>> As part of building a new shack, I am taking this opportunity to run
>> some
>> conduit from the shack out to the backyard for a vertical antenna hidden
>> amongst the trees. In addition to coax, I'll need to run a coupler
>> control
>> cable. I will either run my Mackay tuner out there or my sunair 1KW
>> tuner out
>> there. Both of these tuners have an existing cable with the circular
>> MS-style
>> connectors on the ends.
>>
>> Here's the question. When you guys run antenna cables out to your
>> antennas,
>> what size conduit do you use? I ask because the antenna coupler
>> connectors are
>> something like 2" in diameter! So I would imagine I would need a 3"
>> diameter
>> conduit which isn't cheap (I am thinking of using flexible PVC).
>>
>> OR: Do you guys run the cable first, then bring the soldering iron up to
>> the
>> antenna site and solder on the connector there? A lot of work to do in
>> an
>> uncontrolled environment but would allow a 2" conduit to be installed
>> since
>> the connector doesn't need to be fished through it (it would be soldered
>> on
>> after the cable emerges).
>>
>> What do you guys do?
>>
>> One other possible idea. Take the existing cable with connectors on both
>> ends,
>> and cut off say 3 feet from the antenna end. Then I have one long cable
>> with
>> no connector that will end near the antenna. I could then use a weather
>> proof
>> box with a barrier strip inside and connect each of the wires in the
>> control
>> cable to this barrier strip. Then take the 3 foot piece of cable with
>> the
>> other connector and again attached the wires from the cut side to this
>> same
>> barrier strip.
>>
>> Thoughts?
>>
>> 73 Eugene W2HX
>>
>>
>>
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