[amsat-bb] LMR-400 direct to antenna or no?
kl0s at cox.net
Fri Apr 1 02:22:58 UTC 2016
I run LMR400 out to the preamps just below the rotator then LMR240 for the short run from the preamps to the antennas; the 240 is quite flexible and the additional loss in that short run is negligible.
73 - Dino KL0S
> On Mar312016, at 2135 PM, Scott <scott23192 at gmail.com> wrote:
> I hope to put up my first rotating antenna soon and just received a nice length of LMR-400 to use. (regular, not "super-flex")
> Having never seen LMR-400 before, I did not know how flexible it would be. I would call it "medium"... not stiff as a pipe but not floppy, either.
> My question is whether anyone using LMR-400 can recommend whether I should attach it directly to my antenna (with slack loops, of course)?
> Or, should I get a few meters of something more flexible to attach to an antenna that needs to be free to rotate 360 degrees?
> If a jumper is recommended, I would appreciate suggestions on what cable would work best for the task. The frequency for this project is 70cm.
> -Scott, K4KDR
> Montpelier, VA USA
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