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RE: FD AO-40 DK2ZF



Hi Fred:

I had the SAME experience !!! I tried U-band uplink with a 7-ele. 'Arrow'
with 100 watts.  Even though I could hear the beacon well with the Primestar
dish and helix feed, I simply could not hear my dits (yeah, I'm a ditter !).
I made a dry run of this a couple of weeks ago and had no problem hearing
myself 11 deg. off the horizon. I did have some obstruction problems at the
park where we set up, and that may have contributed to it. The solar flare
just wiped me out - I was assigned 15 meters !! Dead as doorknob until a
small amount of activity on Sunday morning. I did manage digital and CW
duties on 20 meters.

Chalk it up to experience ! I will definitely be working on a L-band uplink
for next year !!

73, Jamie
WB4YDL


-----Original Message-----
From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org]On
Behalf Of Frederick M. Spinner
Sent: Monday, June 30, 2003 9:05 AM
To: amsat-bb@AMSAT.Org
Subject: Re: [amsat-bb] FD AO-40 DK2ZF


That makes me feel quite a bit better about my equipment.  I brought a 4'
dish and patch feed, got a *very* good downlink.

But, with 22 elements RHCP and 100W at the antenna on u-band I could never
hear my downlink on FD.  The generator was a bit noisy though, so it's
possible the return was weak and I didn't hear it.
My headphones broke early on as well.  So I was on the speaker... Typical
FD.

So no contacts.  No 100 point bonus, and probably about 10 hours of my time
wasted.

The station did get a lot of interest from the other operators, the children
hanging around, etc., so it was still somewhat worthwhile.  When the ops
took "down" time from the HF station, they came over and listened.

Unfortunately it seems that everyone posting success and what their
equipment was in the same message is: ">50W on L-band".

Except for bending the dish on the way back home (It bent back ok, but I
think that reflector's Ku days are over) and losing a part of the trailer on
the way back-- all the equipment survived.  At least I had time to trim the
70cm antennas for best SWR, so at least I know all my equipment works and is
now optimized.

Oh well.. I'm sticking to HF next year at FD.  I'm usually a big AO-40
advocate, but from my experience this year trying to get on AO-40 at FD was
a waste of time.

Flame me at will.

Fred W0FMS



>From: rolf.niefind@t-online.de (Rolf Niefind)
>To: amsat-bb@AMSAT.Org
>Subject: [amsat-bb] FD AO-40 DK2ZF
>Date: Sun, 29 Jun 2003 19:40:09 +0200
>
>
>  Hello All,
>
>  MISSION SUCCESS    wkd 33 stns from W/VE.
>
>  all u-bander quite weak l-bander much stronger.
>
>  Missing Alaska  ( Ed ???)
>
>  wkd with 60 watts 1m mesh dish W0LMD dual patch Kuhne preamp
>
>  73 DK2ZF
>
>----
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