[BARC-List] [Part-L] [wara64] Help with coax through the window at condo?

[Rick Green]

I run a Comet CTC-50M flat coax jumper through a tilt-in, plastic-framed replacement window. It's pricey, costing around $45 at HRO:
http://www.eham.net/reviews/detail/9108


I can't speak to its efficiency, as I only use it with a 2m Jpole for local repeater use, but I can say it's very sturdy and thin enough to conform to the window frame's bottom channel. The window still clamps shut over it.

 
Rick
W1RAG


________________________________
 From: jimmy koger <spyderman544 at yahoo.com>
To: "wara64 at yahoogroups.com" <wara64 at yahoogroups.com>; "barc-list at mailman.qth.net" <barc-list at mailman.qth.net>; PART Mailing List <part-l at lists.wb1gof.org> 
Sent: Saturday, December 1, 2012 2:17 PM
Subject: Re: [Part-L] [wara64] Help with coax through the window at condo?
 

There are some interesting options that I have seen. 


1 there is a flat piece of coax 9-12 " with connectors that is similar in thickness to a piece of twin lead and  is 50 ohm impedance. That said I can't remember where I have seen it for sale.  Seems like it was about $15.

2. MFJ and others sell a piece that fits in window and has coax connectors on both sides and provides insulation  and  does not let in cold air but it would probably mean the loss of the screen.  They are $50+ too.

3.  In QST  hints and kinks a while back someone suggested the use of poly-urethane pipe insulation that was split length- wise and maybe loosely attached with adhesive like silicone rubber so that the  coax would be kind of imbedded in the insulation and good isolation from cold and insects could be obtained.  You might make this work with the existing screen.  I have not tried this one yet but I will as it is likely better than my solution and much cleaner.  This is probably the cheapest solution.   


Any other solutions that I know of are more involved and must go through existing walls and mean  modifications to the house.  


Hope this helps or inspires another solution to this knotty little problem.  Jim N1IPP



________________________________
 From: Scott Ehrlich <srehrlich at gmail.com>
To: wara64 at yahoogroups.com; barc-list at mailman.qth.net; PART Mailing List <part-l at lists.wb1gof.org> 
Sent: Saturday, December 1, 2012 12:59 PM
Subject: [wara64] Help with coax through the window at condo?
 

  
I'm looking to get back into HF and possibly utilize an external
VHF/UHF antenna at my condo.

I have no patio or balcony, no basement, no attic.

For HF, I'm thinking about a hamstick or hamstick dipole.

Now, to get any antenna coax inside,

From some google searching, people have referenced:

http://www.solidsignal.com/prod_disp...p?PROD=WRFC200

http://qsradio.com/Feed%20Through%20Panel%204-U.JPG

http://qsradio.com/Feed-Thru.jpg

The window is the vertical up/down style.

I obviously want to ensure proper insulation with something like any
of the above.   It goes window, window-size mesh screen (mosquitos),
outside.
The screen also helps prevent against unwanted snow to build in the
window frame.

With the above options, the mesh screen would likely need to go.
Central air negates window-based a/c units.

What have others done?

I've also considered coax-to-twin-lead-to-coax.

Insights are welcome.   Once the feedline issue can be resolved, the
antenna and radio problems should resolve themselves.

I've also considered running coax from the car into the house, but
that is not really practical, and I'm looking for fixed-station, not
mobile, operation.

Thanks.

Scott, WY1Z

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