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Kennedy Space Center
Countdown to Launch

April 16, l998 - Network Signal Processor No. 2 after removal from the Space Shuttle Columbia

The scheduled launch of Columbia on Apr. 16 from Launch Pad 39B was postponed 24 hours due to difficulty with network signal processor No. 2 on the orbiter. This device formats data and voice communications between the ground and the Space Shuttle. The unit, which is located in the orbiter's mid-deck, will be removed and replaced. Prior to launch, one of the final steps will be to load the external tank with approximately 500,000 gallons of liquid hydrogen and liquid oxygen for fueling the orbiters three main engines. Tanking had not yet begun when the launch scheduled for Apr. 16 was scrubbed.
photo of workers inspecting the network signal processor


Earlier Pictures of Neurolab Processing at KSC

    April 15 p.m. Rollback of the RSS
    April 15The STS-90 crew wave to family and friends in front of Launch Pad 39B
    April 13 STS-90 crew arrival at KSC's Shuttle Landing Facility
    March 31Crew participates in TCDT at Launch Pad 39B
    March 30Terminal Countdown Demonstration Test (TCDT) activities
    March 29The crew arrives to begin TCDT activities
    March 23The Space Shuttle Columbia rolls out to Launch Pad 39B!
    March 16-Shuttle transferred from OPF to the VAB
    March 9-Payload bay door closure
    February 26-The STS-90 crew participate in CEIT
    February 12-Neurolab in Orbiter Processing Facility bay 3
    February, first week-Neurolab moved into its payload canister in O&C Building
    January 1998-Crew participates in CEIT
    December 1997-Further processing, preparation for launch
    November 1997-Neurolab installed in Spacelab module in the O&C

     

 
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