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940142.txt
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1994-11-13
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Date: Wed, 1 Jun 94 04:30:22 PDT
From: Ham-Space Mailing List and Newsgroup <ham-space@ucsd.edu>
Errors-To: Ham-Space-Errors@UCSD.Edu
Reply-To: Ham-Space@UCSD.Edu
Precedence: Bulk
Subject: Ham-Space Digest V94 #142
To: Ham-Space
Ham-Space Digest Wed, 1 Jun 94 Volume 94 : Issue 142
Today's Topics:
DSP opinions needed
LUSAT-1 (LO-19): Actual status
RS10 trans-Atlantic contacts.
SAREX SCHOOL SKED INF
SAREX School Sked Info, Pls
Send Replies or notes for publication to: <Ham-Space@UCSD.Edu>
Send subscription requests to: <Ham-Space-REQUEST@UCSD.Edu>
Problems you can't solve otherwise to brian@ucsd.edu.
Archives of past issues of the Ham-Space Digest are available
(by FTP only) from UCSD.Edu in directory "mailarchives/ham-space".
We trust that readers are intelligent enough to realize that all text
herein consists of personal comments and does not represent the official
policies or positions of any party. Your mileage may vary. So there.
----------------------------------------------------------------------
Date: 31 May 1994 17:55:40 GMT
From: ihnp4.ucsd.edu!library.ucla.edu!europa.eng.gtefsd.com!newsxfer.itd.umich.edu!news.itd.umich.edu!usenet@network.ucsd.edu
Subject: DSP opinions needed
To: ham-space@ucsd.edu
I'm considering the purchase of either a DSP-12 or AEA-2232 and
would very much appreciate opinions, advice or suggestions about
either unit. This will be used for mostly sats but some regular
packet will be included. E-mail all replies to "lurker@umich.edu"
and thanks for the help.
------------------------------
Date: 31 May 94 12:49:06 GMT
From: news-mail-gateway@ucsd.edu
Subject: LUSAT-1 (LO-19): Actual status
To: ham-space@ucsd.edu
Official LUSAT-1 Status Report
The satellite LUSAT-1 seems healthy. The control station is actually performing
some tests to the satellite.
The satellite is sending telemetry on 437.125 MHz and it's digipeater still
turned on.
Overseas stations: If you capture any LUSAT-1 telemetry and send it in raw-mode
to the satellite control station, you'll receive a certificate for your
collaboration. These telemetry reports can be sent either via packet radio to
LU8DYF@LU8DYF.BA.ARG.SOAM and LU8DYF@ANY-ACTIVE-SATELLITE, or via Internet to:
lu8dyf@asarin.org.ar
If you intend to use the satellite, please remember that the BBS is NOT LOADED
and it will NOT be operational for the next 2 weeks (approx.).
The LUSAT-1 recovery team want to thanks all the stations that sent LUSAT-1
telemetry data in RAW format.
The overseas stations that are going to receive the Special Award are:
1) Mr. Norimasa Okamoto (JN2LHU) from Gamagori city, Japan.
2) Mr. Bent Bagger (OZ6BL+OZ7SAT) from Denmark.
73's de Eduardo Sweet, LU7AKC (LUSAT-1 recovery team)
packet: lu7akc@lu7akc.#col.cf.arg.soam
e-mail: lu7akc@asarin.org.ar
------------------------------
Date: Mon, 30 May 1994 18:20:18 MET
From: ihnp4.ucsd.edu!dog.ee.lbl.gov!agate!howland.reston.ans.net!xlink.net!nntp.gmd.de!dearn!esoc!estec!sbadessi@network.ucsd.edu
Subject: RS10 trans-Atlantic contacts.
To: ham-space@ucsd.edu
Is there anybody on the other side of the ocean, interested in
trying RS10 link with this side? I am available for skeds. I can
hear my signals but it looks there is not too much people trying.
Contact by e-mail: sbadessi@vmprofs.estec.esa.nl
73's de PA3FWP/I0WTD
Stefano Badessi (I0WTD, PA3FWP)
European Space Research and Technology Centre
PI9ESA - ESTEC Radio Club
sbadessi@estec.esa.nl
_______________________________________________ " In Maxwell we trust...
------------------------------
Date: Tue, 31 May 94 23:29:47
From: ihnp4.ucsd.edu!swrinde!gatech!concert!mms!kn4aq.gary@network.ucsd.edu
Subject: SAREX SCHOOL SKED INF
To: ham-space@ucsd.edu
Ne> One of the local schools has asked our club to help them apply for a
Ne> SAREX sked ...
Ne> I would think some kind of proposal that addresses how they intend
to fit it in with the curriculum would be in order. Can anyone offer
any advice on how to proceed with this?
Ne> I'd be interested to hear from anyone who has participated in a SAREX
Ne> school sked. Any info (logistical, technical, etc.) will be
Ne> appreciated.
Ne> Thanks & 73... Mark AA7TA
Hi, Mark. I helped the Raleigh Amateur Radio Society with a successful
SAREX contact in '92. In our application we pointed out that we had
already made one SAREX demonstration to the school, without a scheduled
contact. I've seen other schools try this before applying. (The attempt
was not successful -- we didn't even hear the shuttle, but that didn't
matter.)
We maximized the number of students exposed by setting up stations at
several schools, linking them together by repeater. The entire contact
was also broadcast on the local repeater, and monitored in a dozen more
schools, and countless offices.
And we promised a big publicity effort (my job). That was very successful,
with a live telecast on the local FOX affiliate, and two nights of
coverage on the news of the other market stations, plus lots of radio
news and newspaper coverage. I generated several press releases that I
faxed to the media, but it was the followup phone calls that got their
attention. Once they realized the potential of the story, they were
eager to cover it.
Our "earth" station was a good OSCAR-type satellite station, with 400
watts RF out to a circularly polarized, steerable antenna. The antenna
was important. The power was overkill. The 5-watt signal from the
shuttle was "pegging the needle" for most of the pass.
The first and last minutes of signal were distorted by doppler effect.
We were late in recognizing and compensating for that. Our contact
lasted 8 minutes... almost horizon-to-horizon. We had 4 kids, and each
got to ask at least 4 questions.
Before and after the contact, our "control station" on the repeater
described what we were doing, and what people could expect to hear.
I have a professionally produced videotape of both our "dry run" practice
exercise, and the contact itself. If you would like a copy, I'll make you
one for the cost of duplication and handling ($12). It will be a good
way to see how it happens (at least here in Raleigh) and spur interest
with club members in your area.
73, and good luck with your application (and contact!),
Gary Pearce KN4AQ
4400 Bleeker Ct.
Raleigh, NC 27606
___ Blue Wave/QWK v2.12
------------------------------
Date: Tue, 31 May 1994 15:57:43 GMT
From: spsgate!mogate!newsgate!news@uunet.uu.net
Subject: SAREX School Sked Info, Pls
To: ham-space@ucsd.edu
One of the local schools has asked our club to help them apply for a SAREX sked
and then to help with the actual contact, assuming it's granted. Apparently,
one of the crew members is the uncle of a couple of the students at the school.
I'm not sure at the moment exactly which shuttle mission they're interested in
but I think it's early next year. We have the application and there shouldn't
be any problems with technical expertise but what else should they (the school)
send in with the application? I would think some kind of proposal that
addresses how they intend to fit it in with the curriculum would be in order.
Can anyone offer any advice on how to proceed with this?
I'd be interested to hear from anyone who has participated in a SAREX school
sked. Any info (logistical, technical, etc.) will be appreciated.
Thanks & 73... Mark AA7TA
------------------------------
End of Ham-Space Digest V94 #142
******************************