[RightWhale]

spaceflightnow.com
1443 GMT (10:43 a.m. EDT)

The Main Propulsion System helium system has been reconfigured by pilot Chris Ferguson. Soon the gaseous nitrogen purge to the aft skirts of the solid rocket boosters will be started.

1440 GMT (10:40 a.m. EDT)

Now one hour away from launch of Atlantis.

Pilot Chris Ferguson is configuring the displays inside Atlantis' cockpit for launch while commander Brent Jett enables the abort steering instrumentation. And Mission Control in Houston is loading Atlantis' onboard computers with the proper guidance parameters based on the projected launch time.

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Any more talk of the tank sensor?

[burzum]

T-9 minute hold (45 minutes).

[r9etb]

Mission Control in Houston is loading Atlantis' onboard computers with the proper guidance parameters based on the projected launch time.

Back when I was a navigation flight controller, I always liked this part of the Shuttle rendezvous missions -- we'd do orbit determination on the target, provide it to the Flight Dynamics Officer, and they'd run launch targeting to update the guidance.