RE: [amsat-bb] Be prepared for the worse

["Frederick M. Spinner" <fspinner@xxxxxxxxxxx>]

If I remember correctly, your whole region has that problem.  I read that 
EME to Japan from the US has been split 2.3 GHz from the US and 2.4 GHz from 
Japan.

But yeah, there is no reason that 2.4 GHz EME can't be done.  If there are a 
lot of us with 2.4 GHz receiving equipment it makes sense to try it at those 
frequencies.  Also much EME is on schedules, so as long as the other station 
can TX/RX on 2.4 GHz that shouldn't matter as well.

The problem, of course is still to generate 100-200W at 2304 or 2400 MHz, 
and the really only practical way is with a tube cavity amp like the K9EK 
one.  And even that needs I think in the single-digit of watts drive.  Maybe 
if Ed's still monitoring this list he can give us the details.

Fred W0FMS



>From: "Matt -VK2DAG-" <vk2dag@bigpond.com>
>Reply-To: "Matt -VK2DAG-" <vk2dag@bigpond.com>
>To: <amsat-bb@AMSAT.Org>
>Subject: RE: [amsat-bb] Be prepared for the worse
>Date: Sun, 8 Feb 2004 21:24:42 +1100
>
>VK's 13cm allocation is 2400 MHz from 2400 to 2450 so we don't much choice
>there for transmitting EME!
>
> > Fred & Luc, etal:
> >
> > (snip)
> >
> > The idea of moon-bounce is great....except the freq where you find EME
> > is
> > 2.304/2320 MHz!  It takes about 100w with a ten-foot dish on this band
> > to
> > do EME.  EME on 2.4 is probably not productive.
> >
> > (snip)
> >
> > 73s, Ed - AL7EB
>
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