[R-390] Balanced Lines

Wed, 17 Mar 2004 18:21:28 -0500

Dan, it is Belden M 9207 1000 ohm twinax. You will have good or better 
results by just installing two pieces of rg-58 or rg-59 coax in the balanced 
line r-390 connector. keep both lines EXACTLY the same length. Tie the 
shields together and bond to rcvr chassis. Tie the shields together at the 
antenna but do not connect the shields to the antenna, just connect the 
center conductors to the antenna each side the of the center insulator. The 
rg-58 will have less weight and a lot less cost. I've seen the Navy use 
either the twinax or two pieces of rg58.
73.....Steve...KJ8L

>From: "Danny Lunstrum" <[email protected]>
>To: <[email protected]>
>Subject: [R-390] Balanced Lines
>Date: Wed, 17 Mar 2004 09:51:14 -0600
>
>Can someone tell me what the RG# or Belden# or something similar is for the 
>cable used with the balanced antenna jack for an R-390/R-390A.  I would 
>like to try feeding it with a trap-dipole that I have cut for the 
>International Shortwave bands.  I have the connectors I need for it.  It is 
>a two-conductor cable with shield.
>
>Thank-you
>
>Dan
>
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