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#20
by
jacqmans
on 17 Jan, 2014 19:30
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Flight Readiness Review Gives 'Go' For TDRS-L Launch
Friday, January 17, 2014 - 14:42
NASA and United Launch Alliance (ULA) managers completed a standard Flight Readiness Review today at NASA's Kennedy Space Center in Florida, assessing whether the ULA Atlas V rocket and the agency's Tracking and Data Relay Satellite L are ready to launch at 9:05 p.m. on Thursday. There are no constraints to proceeding toward the Launch Readiness Review on Tuesday. That review will give a "go" to roll the Atlas from the Vertical Integration Facility to the launch pad at Cape Canaveral Air Force Station Space Launch Complex 41. The preliminary weather outlook is favorable for launch. The temperature is predicted to be about 40 degrees when the Atlas rocket rolls to the pad Wednesday morning.
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#21
by
Chris Bergin
on 21 Jan, 2014 01:34
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ULA:
Everything is progressing toward NASA’s TDRS-L launch. The mission is set to liftoff on a United Launch Alliance Atlas V rocket on Thursday, Jan. 23 from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. The 40-minute launch window opens at 9:05 p.m. EST. Today’s L-3 forecast shows an 80 percent chance of favorable weather conditions for launch.
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#22
by
Chris Bergin
on 21 Jan, 2014 01:35
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#23
by
AnalogMan
on 21 Jan, 2014 13:37
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#24
by
Chris Bergin
on 21 Jan, 2014 15:43
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LRR passed.
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#25
by
jacqmans
on 21 Jan, 2014 15:58
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Go for Rollout, Launch Review Complete
Tuesday, January 21, 2014 - 11:20
Launch and mission managers gave a "go" to roll out the TDRS-L/Atlas V stack tomorrow at 10 a.m. following the successful completion of today's Launch Readiness Review at NASA's Kennedy Space Center in Florida. The teams also confirmed the launch time of 9:05 p.m. EST on Thursday, Jan. 23 at the opening of a 40-minute launch window. There is an 80 percent chance of favorable weather with just a minimal chance of a thick cloud layer. The temperature at launch time will be near 54 degrees with NNW winds 12 to 18 knots. The countdown for launch on Thursday will begin at 2:05 p.m.
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#26
by
catdlr
on 21 Jan, 2014 16:20
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TDRS-L and Atlas V Readied for Liftoff
Published on Jan 21, 2014
Find out how NASA's Tracking and Data Relay Satellite L and its ride into orbit, the United Launch Alliance Atlas V rocket, were prepared for liftoff.
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#27
by
Targeteer
on 21 Jan, 2014 16:58
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Pre-launch press conference at the top of the hour on NASA TV
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#28
by
Targeteer
on 21 Jan, 2014 17:01
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starting
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#29
by
Targeteer
on 21 Jan, 2014 17:40
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Planning to initially put the spacecraft into storage at 49 degrees West pending assessment of the active fleet on orbit.
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#30
by
Targeteer
on 21 Jan, 2014 17:47
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Answered a question about DOD usage a little more than I expected. Support provided as needed by priority but with no details on percentage of use as requested by Irene Klotz. Also mentioned that NASA gets support from DOD ground stations when required.
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#31
by
Targeteer
on 21 Jan, 2014 17:54
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Bill Harwood asked a question about percentage of TDRS coverage availability for ISS--which has always intrigued me due to frequent and sometimes lengthy LOS'. The answer was 100% with small gaps due to handovers. Load of ISS on the network was described as 1/6th of capacity. To me, this question goes directly back to the DOD support question/answer
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#32
by
Targeteer
on 21 Jan, 2014 18:02
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Interesting note on the fairing. Beginning with the Atlas 2 launches for TDRSS, the standard 4M fairing had to be stretched 3 feet to accommodate the size, due the antennas, of the TDRSS satellites
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#33
by
Jim
on 21 Jan, 2014 18:07
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Answered a question about DOD usage a little more than I expected.
Don't understand. You mean they provided more info in the answer than expected or the amount that the DOD uses is more than expected?
As far as the latter, search on "air force communications support facility" or Aerospace Data Facility-SW and you will see that is a complex at White Sands. Must be a lot for the USAF to have a facility on site.
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#34
by
John44
on 21 Jan, 2014 18:17
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#35
by
Targeteer
on 21 Jan, 2014 18:47
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Answered a question about DOD usage a little more than I expected.
Don't understand. You mean they provided more info in the answer than expected or the amount that the DOD uses is more than expected?
As far as the latter, search on "air force communications support facility" or Aerospace Data Facility-SW and you will see that is a complex at White Sands. Must be a lot for the USAF to have a facility on site.
I meant that he talked more about DOD support than I expected. Although mentioned in various places/sources, DOD use of TDRSS is generally not highlighted. I interpreted DOD support of NASA to be support of vehicle commanding via AFSCN
http://www.schriever.af.mil/library/factsheets/factsheet.asp?id=3916 . The added support to the Dragon that had thruster issues after launch comes to mind. Elon Musk specifically mentioned extra ground support during the recovery efforts.
My questions about TDRSS users other than NASA causing large Shuttle/ISS outages goes way back and I'm holding on to it like a dog with a bone.
The graphic here (slide 18), although dated, shows more than half the network not available to NASA
http://forum.nasaspaceflight.com/index.php?topic=22801.0 and the obvious other user is the DOD. I have not seen a network allocation slide published since the end of the shuttle program.
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#36
by
Jim
on 21 Jan, 2014 19:11
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My questions about TDRSS users other than NASA causing large Shuttle/ISS outages goes way back and I'm holding on to it like a dog with a bone. The graphic here (slide 18), although dated, shows more than half the network not available to NASA http://forum.nasaspaceflight.com/index.php?topic=22801.0 and the obvious other user is the DOD. I have not seen a network allocation slide published since the end of the shuttle program.
There is no way TDRS-Z and the GRGT could not be justified just by NASA wanting to get getting rid of the ZOE*, which was only 15% of an orbit.
*And for CGRO data
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#37
by
catdlr
on 21 Jan, 2014 20:06
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[Atlas V] Processing Video of NASA's TDRS-L Spacecraft
Published on Jan 21, 2014
See how NASA's next Tracking & Data Relay Satellite, TDRS-L, was processed at Cape Canaveral ahead of launch on an Atlas V rocket. Video includes encapsulation in the payload fairing and travel to Space Launch Complex 41.
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#38
by
catdlr
on 21 Jan, 2014 20:07
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NASA | TDRS: The Network That Enables Exploration
Published on Jan 21, 2014
NASA is preparing to launch the second in a series of three, third generation advanced Tracking and Data Relay Satellites, known as TDRS. This latest addition to the fleet of eight, TDRS-L will augment a space communications network that provides the critical path for high data-rate communication to the International Space Station, Hubble Space Telescope, human occupied spacecraft and a host other spacecraft.
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#39
by
catdlr
on 21 Jan, 2014 20:08
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[Atlas V] Atlas V Rocket Assembled at SLC-41 for NASA's TDRS-L Mission
Published on Jan 21, 2014
See how the Atlas V rocket was brought together and assembled at Space Launch Complex 41 at Cape Canaveral. The rocket will launch NASA's TDRS-L spacecraft into orbit on Friday January 24th.
