[TowerTalk] How to waterproof a split coax feed to yagi?0

trappaport at austin.rr.com trappaport at austin.rr.com
Thu Aug 6 09:52:12 PDT 2009


Duhh...of course! Thanks for this good,obvious suggestion. Thanks to all who responded off net, too! If I use a simple S0-239 connector, what is the best way to waterproof it? Is there a goop or tape that I can simply wrap the SO-239 in?

73
ted
---- K7LXC at aol.com wrote: 
>  
> In a message dated 8/6/2009 3:26:44 A.M. Pacific Daylight Time,  
> towertalk-request at contesting.com writes:
> 
> >  To feed my Force 12 HF yagis, I plan to wind my own coax  baluns (8 
> turns of coax, 8" diameter - sound reasonable?), and would like to  simply spilt 
> the LMR400 coax feedline, with the ground braid going to one side  of the 
> dipole element, and the center conductor to the other.  
> 
> >  I am wondering what is the best way to **waterproof** the  split coax. 
> Is there some type of goop or sealant that has excellent  waterproofing and 
> UV resistance, that I can use to keep water from seeping  into the coax? I 
> would welcome any thoughts and sources....neither Home Depot  or Lowes had 
> anything that seemed like it would work.
> 
> 
>         What you're suggesting is  very difficult to waterproof - the braid 
> just wicks water into your coax where  it typically runs down the coax into 
> the shack. A better solution is to use  a dipole feed insulator with an 
> SO-239. That way you can plug your PL-259 into  it and have the wire ends on 
> the feedpoint with a weatherproof transition. 
>  
> Cheers,
> Steve     K7LXC
> TOWER TECH 
> **************A Good Credit Score is 700 or Above. See yours in just 2 easy 
> steps! 
> (http://pr.atwola.com/promoclk/100126575x1222846709x1201493018/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=115&bcd
> =JulystepsfooterNO115)



More information about the TowerTalk mailing list