[TowerTalk] LMR400 rotor loop

K7LXC@aol.com K7LXC@aol.com
Mon, 27 Sep 1999 11:44:56 EDT


In a message dated 27/09/99 10:26:22 EST,  n4gu@vt.edu writes:

> After lurking (and learning) on this list for several years, I have a
>  specific question needing the advice of the list. As part of the 'summer'
>  antenna rebuild, I'm replacing the coax to the beam with LMR400. Is LMR400
>  flexible enough to be used as the rotor loop or should I use a coax with a
>  stranded center conductor for the rotor loop? I worry that the solid center
>  conductor of LMR400 won't take the flexing. Any experience or advice?
>  
      Yes, your suspicion is correct - you need stranded center conductor 
where you'll be moving the coax like near a rotator. The solid center 
conductor will work fine for awhile but will fracture over time.

Cheers,  Steve    K7LXC
Tower Tech

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