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[Fwd: 7-22-99 (L-1) status]

Since someone asked, here is the latest KSC report.  NASA expects an 80%
chance that Columbia will lift off on STS-93 early Friday morning.

"Buckingham-1, Bruce" wrote:
> THURSDAY, JULY 22, 1999 4:52 PM
> L-1 Day
> MISSION: STS-93 - Chandra X-ray Observatory
> VEHICLE: Columbia/OV-102
> LOCATION: Launch Pad 39B
> KSC LAUNCH DATE/TIME: July 23, 1999 at 12:24 a.m. EDT
> KSC LANDING DATE/TIME: July 27, 1999 at 11:20 p.m. EDT
> LAUNCH WINDOW:  1 hour 56 minutes (12:24 a.m. - 2:20 a.m.)
> MISSION DURATION: 4 days, 23 hours
> CREW: Collins, Ashby, Hawley, Coleman, Tognini
> ORBITAL ALTITUDE and INCLINATION:  153 nautical miles/28.45 degrees
> NOTE: Preparations are ongoing for a third launch attempt of the Space
> Shuttle Columbia at 12:24 a.m. Friday.  Following a weather scrub early this
> morning, Shuttle managers implemented standard procedures for a 24-hour
> scrub turnaround. Columbia's external tank is being loaded for the third
> time with 500,000 gallons of liquid propellant. Tanking operations began at
> 3:15 p.m. today and will conclude at about 6:15 p.m.  All Shuttle and
> payload systems remain in excellent health to support Friday's launch
> attempt.
> During a mission management team meeting at noon today, Chandra managers
> gave an updated status on Chandra's orbital power supply margins.  Chandra's
> ability to spend an additional 20 minutes in the Earth's shadow on every
> orbit with no impact to mission success, adds an additional 70 minutes to
> the planned 46-minute window.  The window for tomorrow's launch opportunity
> is now 1 hour and 56 minutes in duration.  Mission managers still plan to
> deploy Chandra on flight day 1 about 7 hours and 17 minutes after liftoff.
> To preserve the flight crew's on-orbit sleep and work schedule, the
> astronauts will sleep an additional 30 minutes today before beginning their
> preflight preparation timeline.  Each step on that timeline will begin
> one-half hour later tonight.  The 30 minutes will be transferred from the
> built-in hold at T-9 minutes to the T-3 hour built-in hold.
> Weather officials have updated the forecast to reflect a 20 percent chance
> that weather could prohibit launch on Friday.  The primary threats are
> coastal thunderstorms with debris and anvil clouds.
> Commander (CDR):        Eileen Collins
> Pilot (PLT):                    Jeff Ashby
> Mission Specialist (MS1):       Catherine Coleman
> Mission Specialist (MS2):       Steven Hawley
> Mission Specialist (MS3):       Michel Tognini
> -- end --

Will Marchant, KC6ROL
CHIPS Lead Software Engineer:
marchant@ssl.berkeley.edu	http://chips.ssl.berkeley.edu/
AMSAT-NA SAREX Operations Manager:
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