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Re: NASA reconsiders satellite servicing missions
- Subject: Re: [amsat-bb] NASA reconsiders satellite servicing missions
- From: morsesat@xxxxxxxxxxxxx
- Date: Thu, 01 Apr 2004 12:46:49 -0500
Funnnny,
I got a big kick out of this. Thanks for making April 1st memorable. Please be assured that the next hamfest I attend representing AMSAT will bring several questions asking how we arranged this(????!!!???)
73,
Dee, NB2F
NJ Co-ordinator
----- Original Message -----
From: Daniel Schultz <n8fgv@usa.net>
Date: Thursday, April 1, 2004 5:43 am
Subject: [amsat-bb] NASA reconsiders satellite servicing missions
> Following a review requested by members of Congress, the National
> Academy of
> Science and the National Aeronautics and Space Administration have
> agreed to
> reconsider NASA's earlier decision to forgo further servicing of
> the Hubble
> Space Telescope. Following the publication of the review panels
> findings, NASA
> has therefore agreed to resume its satellite servicing program.
>
> The review panel has also recommended that because of the long
> down time
> between Space Shuttle missions, crew members will need additional
> opportunities to practice their EVA skills prior to carrying out
> the ambitious
> Hubble Service Mission 4. The panel members suggested that
> astronauts should
> practice their repair skills on a smaller satellite while
> preparations for the
> HST service mission are being revived. Accordingly NASA has
> directed shuttle
> program managers to identify additional satellite servicing
> opportunities to
> allow astronauts to obtain the experience they so urgently need
> after being
> grounded for the past year.
>
> One such mission opportunity was immediately apparent, the
> recently defunct
> Amsat-Oscar 40 satellite. According to NASA administrator Sean
> O'Keefe,"Repairing Oscar 40 is a challenging and difficult mission
> that will provide
> NASA and all Americans with the renewed confidence and inspiration
> that are
> needed for the ambitious space missions that lie ahead for us."
>
> An all-ham shuttle crew has been selected to fly this important
> training and
> repair mission.
>
> Astronaut Mike Foale, KB5UAC, said yesterday "We are thrilled to
> be selected
> to fly this important and historic satellite servicing mission. AO-
> 40 is a
> much loved satellite and we are looking forward to returning it to
> service for
> the worlds radio amateurs."
>
> A total of 5 EVAs will be needed to repair the failed main
> battery, all of the
> failed transmitters from 2 meters up to 10 GHz, and the damaged
> antennas.Spacewalking astronauts will also repair AO-40's fuel
> system valves, external
> sheet metal and thermal blankets. Following completion of all
> mechanical and
> electronic repairs, the monomethylhydrazine and nitrogen tetroxide
> tanks will
> be refilled with a fresh load of fuel and the satellite will be
> released back
> into orbit to complete the series of rocket burns that were
> intended to place
> AO-40 into its high inclination Molynia orbit.
>
> To prepare for this mission, an Amsat furnished AO-40 satellite
> mockup has
> been shipped to the Weightless Environment Training Facility
> (WETF) at the
> Johnson Space Center in Houston where astronauts will practice
> their repair
> procedures in the underwater training facility. AO-40's command
> stations will
> soon begin a series of Joint Integrated Simulations (JIS) with the
> MissionControl Center in Houston to practice the complex
> interactive satellite
> command sequences that will be needed to conduct aliveness and
> functionaltests of each new module as astronauts complete each
> phase of the repair
> mission.
>
> Prior to starting their repair work, astronauts will restore power
> to the
> satellites' Integrated Housekeeping Unit and telemetry beacon,
> using a special
> Amsat-approved pair of automobile jumper cables. In keeping with
> Amsat's low
> cost satellite philosophy, a suitable set of cables was found in the
> automotive section of the Orlando Florida Wall-Mart for $8.95. A new
> Thermometer was added to the Amsat Web site today to track fund
> raisingefforts for the purchase of these cables, which are
> currently on lay-away. The
> jumper cables are considered to be the key to the success of the
> entire AO-40
> servicing mission. A special President's Club pin is available to
> those who
> contribute $1 or more to this purchase.
>
> In other space related news today, President Bush has announced
> that future
> manned missions are in work to retrieve and repair the Mars Polar
> Lander and
> Beagle 2. A mission to install a new battery aboard AO-7 is also under
> consideration.
>
>
>
>
>
>
>
> ----
> Sent via amsat-bb@amsat.org. Opinions expressed are those of the
> author.Not an AMSAT member? Join now to support the amateur
> satellite program!
> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
>
----
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