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Re: Fiber Optic Information



Yes, he means RF.  There are fiber-optic transceivers available today that
are rated up into the microwave range.  This provides for extremely low/no
loss at microwave freqs for runs of several hundred to even a few thousand
feet.

73,

Woody
KJ4SO

----- Original Message -----
From: "Ryan K. Brooks" <ryan@inc.net>
To: "Joel B. Black" <jbblack@mindspring.com>
Cc: "AMSAT BB" <amsat-bb@AMSAT.Org>
Sent: January 10, 2000 23:55
Subject: Re: [amsat-bb] Fiber Optic Information


> What do you mean by "feedline"... obviously not for RF...  do you mean for
rotor
> control?  If so, should be no problem... even indoor multimode stuff is
> incredibly tough.   If it's not tough enough, go to a riser-rated version.
>
> Ryan Brooks
> ryan@inc.net
> N9YBX
>
> "Joel B. Black" wrote:
>
> > Gave an amateur satellite presentation at a local club meeting tonight -
> > Murphy's Law hit early and hard, but that's not my problem.  A question
was
> > asked during the discussion of feedline regarding the use of fiber
optics
> > instead of coax.  I told him I wouldn't use because of the possibility
of
> > "micro-bends" when the fiber gets bent and twisted during satellite
> > tracking.  He didn't think this would be an issue.  However, it seems
that I
> > have seen this addressed here before and the reasons for not using fiber
for
> > feedline.  Does my memory serve me correctly?
> >
> > Thanks.
> >
> > 73,
> > Joel
> > -----------------------------------------------------------------------
> > OM:  Joel B. Black, K2SAT     XYL:  Kristie H. Black, KF4CHN
> > Eutaw, AL...............EM62       kahblack@mindspring.com
> > AMSAT member #32589
> > AMSAT Local Area Coordinator
> > jbblack@mindspring.com
> > k2sat@amsat.org
> > AO-10, AO-27, FO-20, FO-29, UO-22
> >
> > ----
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>
> ----
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