[amsat-bb] duplexer used as a filter

Joshua Abraham jarvideo at gmail.com
Tue Jul 28 01:07:32 UTC 2015


Not a bad Idea, Paul. Although some duct tape on the bottom of the jug
should keep out any further moisture. Also a bit of spray paint on the jug
as well wouldn't hurt to protect from UV damage. That thin plastic wouldn't
last long on its own.

73,
Josh KJ4VYR

On Mon, Jul 27, 2015 at 8:47 PM, Paul Stoetzer <n8hm at arrl.net> wrote:

> None of the commercially made duplexers that I know of are made for
> outdoor service. Use the top half of a milk jug, run the cable through
> the top and seal off the top of the jug. Put the duplexer inside.
> using the top half of the jug as a rain shield.
>
> That should keep 95% of the rain out of the duplexer.
>
> 73,
>
> Paul, N8HM
>
> On Mon, Jul 27, 2015 at 8:38 PM,  <kb2m at arrl.net> wrote:
> > I'm trying to setup a remote sat station and need help with a desence
> > filter.  I was using a Diamond MX72-n and was experiencing water
> intrusion.
> > I then checked the archives and consulted the group and went to the
> > recommended Comet CF-416. Guess what, I'm still getting water into the
> > duplexer. I thought that it was more suited to outdoor service on the
> > recommendation of the group. So, before I take apart one of the
> duplexers to
> > attempt to waterproof, does anyone know of a duplexer that is designed
> for
> > outdoor use on the tower? I really don't have the room for a 12 foot +
> > crossboom, so I need to resolve the desence with the duplexer.  Any
> > suggestions from someone who has solved this?
> >
> >
> >
> > 73 Jeff kb2m
> >
> >
> >
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> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
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