Author Topic: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)  (Read 24332 times)

Offline ZachS09

Under a half hour to launch.
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Online Steven Pietrobon

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #61 on: 04/11/2018 10:05 pm »
T-30 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline worldtimedate

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #62 on: 04/11/2018 10:05 pm »
And we're live from the Satish Dhawan Space Centre. In about 34 minutes, the Indian Space Research Organisation will launch their 43rd Polar Satellite Launch Vehicle and the ninth Indian Regional Navigation Satellite System spacecraft into a sub-geosynchronous transfer orbit. The planned T0 time is 22:34 UTC, or 4:04 AM Indian Standard Time.

Coverage has started.

1 )
https://www.isro.gov.in/pslv-c41-irnss-1i/launch-of-pslv-c41-irnss-1i-mission

2 )


Offline ZachS09

Mission controllers in their positions, including ISRO's chairman.
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Offline ZachS09

Weather conditions are clear and preferable for launch.
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Offline ZachS09

Targeted orbital parameters at spacecraft separation:

Perigee: 284 kilometers
Apogee: 20,650 kilometers
Inclination: 19.2 degrees
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Online Steven Pietrobon

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #66 on: 04/11/2018 10:08 pm »
The ISRO page is showing the correct aspect ratio.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline ZachS09

Explaining how ISRO uses weather balloons to monitor upper-level winds.
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Online Chris Bergin

Through the trees.

Online Steven Pietrobon

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #69 on: 04/11/2018 10:10 pm »
T-25 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline ZachS09

Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Online Steven Pietrobon

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #71 on: 04/11/2018 10:15 pm »
T-20 minutes. Showing launch preparation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline ZachS09

Showing the assembly of the launch vehicle.
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Online Steven Pietrobon

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #73 on: 04/11/2018 10:16 pm »
Preparing satellite.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline ZachS09

Payload encapsulation and MST rollback.
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Offline worldtimedate

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #75 on: 04/11/2018 10:17 pm »
T-18 Seconds. in the next minutes, authorization will be given.

Online Steven Pietrobon

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #76 on: 04/11/2018 10:17 pm »
Current status.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline ZachS09

The launch authorization key has been turned. Terminal Count should start pretty soon.
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Offline ZachS09

Under 15 minutes to launch.
Because the Falcon Heavy Test Flight was successful, it has inspired thousands of people to consider changing the future of space travel.

Online Steven Pietrobon

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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
« Reply #79 on: 04/11/2018 10:20 pm »
Turning key.

T-15 minutes. Launch authorised.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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