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IRNSS-1E- PSLV C31 - SLP - January 20 2016, 04:01 UTC
by
beidou
on 16 Oct, 2014 17:25
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#1
by
vyoma
on 17 Oct, 2014 04:11
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#2
by
input~2
on 18 Dec, 2014 04:01
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Launch planned NET April 2015
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#3
by
vyoma
on 20 Feb, 2015 02:53
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Payload ready; satellite integration to start:
After Successful Test & Evaluation, IRNSS-1E Payload was delevered to ISITE/ISAC on February 05, 2015 for integration with Spacecraft.
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#4
by
vyoma
on 30 May, 2015 04:58
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#5
by
input~2
on 16 Aug, 2015 13:25
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#6
by
beidou
on 23 Dec, 2015 21:23
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Any updates on this one?
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#7
by
Steven Pietrobon
on 24 Dec, 2015 02:43
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#8
by
isro-watch
on 25 Dec, 2015 16:35
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The launch is expected around Jan-20 from SLP (Second Launch Pad)
I will update you when any media channel carries this info.
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#9
by
Ohsin
on 27 Dec, 2015 23:07
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#10
by
input~2
on 11 Jan, 2016 09:33
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A0093/16- PSLV-C31 ROCKET LAUNCH FM SHAR RANGE,SRIHARIKOTA TAKEPLACE AS PER FLW DETAILS.THE LAUNCH WILL BE ON ANY ONE OF THE DAY DRG THIS PERIOD.ACTUAL DATE OF LAUNCH WILL BE INTIMATED 24 HR IN ADVANCE THROUGH A SEPARATE NOTAM. LAUNCH PAD COORD: 1343.2N08013.8E NO FLT IS PERMITTED OVER THE DNG ZONE. A.DNG ZONE-1 A CIRCLE OF 10NM AROUND THE LAUNCHER B.DNG ZONE-2 A RECTANGULAR AREA BOUNDED BY: 1330N08030E 1350N08035E 1335N08130E 1315N08125E C.DNG ZONE-3 A RECTANGULAR AREA BOUNDED BY: 1300N08210E 1330N08215E 1255N08405E 1225N08400E D.DNG ZONE-4 A RECTANGULAR AREA BOUNDED BY: 1220N08405E 1300N08415E 1245N08510E 1205N08500E E.DNG ZONE-5 A RECTANGULAR AREA BOUNDED BY: 1110N08825E 1145N08835E 1125N08940E 1050N08930E F.DNG ZZONE-6 A RECTANGULAR AREA BONDED BY: 0905N09450E 0955N09505E 0935N09600E 0845N09545E G.DNG ZONE-7 A RECTRANGULAR AREA BOUNDED BY 1900S13400W 1700S13400W 1300S11200W 0700S09200W 0900S09200W 1500S11200W ROUTES AFFECTED IN CHENNAI FIR: N571 N877 P761 P762 W20 A465 P628 Q10 Q11 V3 V4 V9 AND V11. CLOSURE/ALTN ROUTINGS: 1) N571 NOT AVBL BTN DORAM AND BIKEN ALTN RTE: DORAM-DCT-MMV VOR-DCT-GIRNA-DCT-BIKEN-N571 (BIDIRECTIONAL) 2) N877 NOT AVBL BTN ORARA AND LAGOG ALTN RTE: ORARA-DCT-POINT Z 1051N09052E-DCT-LAGOG (BIDIRECTIONAL) 3) P761 NOT AVBL MMV VOR AND PPB VOR ALTN RTE: MMV VOR-DCT-GIRNA-DCT-BIKEN-DCT-POINT 'Z' //PART 1 OF 2 PARTS//. DLY 0200-0600, 20 JAN 02:00 2016UNTIL 18 FEB 06:00 2016. CREATED: 11 JAN 09:31 2016
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#11
by
beidou
on 11 Jan, 2016 11:13
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Can we have a launch brochure for this mission?
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#12
by
Ohsin
on 11 Jan, 2016 14:35
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#13
by
Ohsin
on 12 Jan, 2016 11:39
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#14
by
Ohsin
on 14 Jan, 2016 12:24
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PSLV-C31/IRNSS-1E brochure.
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#15
by
input~2
on 14 Jan, 2016 17:22
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#16
by
Ohsin
on 17 Jan, 2016 16:17
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#17
by
Ohsin
on 18 Jan, 2016 09:07
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#18
by
Ohsin
on 18 Jan, 2016 13:16
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#19
by
vineethgk
on 18 Jan, 2016 14:18
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Regarding the 7th pic in previous post, is that a disused PSLV/GSLV launch pedestral that is seen to the right? Or is it still in use? Any idea?
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#20
by
russianhalo117
on 18 Jan, 2016 20:59
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Regarding the 7th pic in previous post, is that a disused PSLV/GSLV launch pedestral that is seen to the right? Or is it still in use? Any idea?
They rotate them between launches. GSLV Mk.3 pedestal is not in view and is stored down the track on the right.
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#21
by
Ohsin
on 18 Jan, 2016 21:31
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I think one is dedicated to PSLV another to GSLV and third one for LVM3 is distinctly different. There are these 8 pole like bolt-on structures for GSLV strapons (See first two images on following post)
http://forum.nasaspaceflight.com/index.php?topic=33771.msg1417649#msg1417649But on PSLV pedestal that region is filled up with something(See first image)
http://forum.nasaspaceflight.com/index.php?topic=35858.msg1473502#msg1473502Also note on PSLV pedestal there are 2 parallel vertical notches these are absent on other pedestal, something to lookout for in future.
Digressing a bit now.. I looked a bit too hard and found hidden Waldo... twice... and now I am really angry

The folks running Isro's official site are running a circus..Serious lack of professionalism and it might affect their credibility.
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#22
by
EgorBotts
on 18 Jan, 2016 21:53
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Wow! Didn't realized these official pictures would be (and so badly) edited! Thx for finding out!
I mean what would be the point? Showing there's a crowd around the rocket?
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#23
by
Ohsin
on 18 Jan, 2016 22:01
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Wow! Didn't realized these official pictures would be (and so badly) edited! Thx for finding out!
I mean what would be the point? Showing there's a crowd around the rocket?
If intention was to cover up certain area they would've simply cropped it. So yeah some god of clone stamps is there who doesn't like empty places..
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#24
by
russianhalo117
on 18 Jan, 2016 22:03
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I think one is dedicated to PSLV another to GSLV and third one for LVM3 is distinctly different. There are these 8 pole like bolt-on structures for GSLV strapons (See first two images on following post)
http://forum.nasaspaceflight.com/index.php?topic=33771.msg1417649#msg1417649
But on PSLV pedestal that region is filled up with something(See first image)
http://forum.nasaspaceflight.com/index.php?topic=35858.msg1473502#msg1473502
Also note on PSLV pedestal there are 2 parallel vertical notches these are absent on other pedestal, something to lookout for in future.
Digressing a bit now.. I looked a bit too hard and found hidden Waldo... twice... and now I am really angry
The folks running Isro's official site are running a circus..Serious lack of professionalism and it might affect their credibility.
PSLV-CA and last XL used the one the right. it is in maintenance spot and will be repainted soon. everything in red is removed before flight.
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#25
by
Ohsin
on 18 Jan, 2016 22:06
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#26
by
Ohsin
on 19 Jan, 2016 08:47
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#27
by
Ohsin
on 19 Jan, 2016 12:02
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#28
by
Chris Bergin
on 19 Jan, 2016 14:19
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Moved for live coverage!
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#29
by
Ohsin
on 19 Jan, 2016 19:05
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#30
by
William Graham
on 19 Jan, 2016 22:25
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This will be India's fiftieth orbital launch (4 SLV, 4 ASLV, 33 PSLV, 9 GSLV).
That includes 37 successful launches, three partial failures, two failures that reached orbit and seven launches that failed to orbit.
I'm somewhat surprised ISRO are not publicising this milestone, given the somewhat less significant (and in some cases arguably manufactured) milestones that they have given significant publicity to in the past.
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#31
by
Chris Bergin
on 20 Jan, 2016 00:07
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#32
by
kanaka
on 20 Jan, 2016 00:26
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This will be India's fiftieth orbital launch (4 SLV, 4 ASLV, 33 PSLV, 9 GSLV).
That includes 37 successful launches, three partial failures, two failures that reached orbit and seven launches that failed to orbit.
I'm somewhat surprised ISRO are not publicising this milestone, given the somewhat less significant (and in some cases arguably manufactured) milestones that they have given significant publicity to in the past.
Every agency had gone through bad phases initially. Even Nasa was not exceptional. May be ISRO want to forget those bad phases quickly and progress in success path quickly. GSLV has seen many ups and downs both politically and experimentally bad phases and is now slowly emerging out it on its own.
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#33
by
1
on 20 Jan, 2016 00:44
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William Graham's overview article!
http://www.nasaspaceflight.com/2016/01/indian-pslv-irnss-1e/
Good article!
The first two of these, in March 1987 and July 1988, both failed to achieve orbit. The third launch in May 1981 achieved an unplanned, but partially usable orbit, while only the fourth was successful in May 1994.
But, typo? Possibly 1991?
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#34
by
Ohsin
on 20 Jan, 2016 01:08
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Should be LIVE here
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#35
by
Chris Bergin
on 20 Jan, 2016 02:29
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#36
by
Chris Bergin
on 20 Jan, 2016 02:32
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And then there was nothing....
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#37
by
Flying Beaver
on 20 Jan, 2016 02:34
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#38
by
sportyfailure
on 20 Jan, 2016 02:37
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DD News confirmed on live they will broadcast the launch live
Livestream of DD News here if any issues with isro link
Edit:DD News is now live
Edit:I&B ministry link posted by Ohsin is now live and broadcasting
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#39
by
Chris Bergin
on 20 Jan, 2016 02:38
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Yeah, we should use that when it goes live. ISRO seems to be stuck in the 1980s with its webcast.
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#40
by
Steven Pietrobon
on 20 Jan, 2016 02:39
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#41
by
Flying Beaver
on 20 Jan, 2016 02:41
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T- 20 minutes.
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#42
by
Steven Pietrobon
on 20 Jan, 2016 02:41
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#43
by
Steven Pietrobon
on 20 Jan, 2016 02:43
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#44
by
Chris Bergin
on 20 Jan, 2016 02:44
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There's the rocket via the terrible stream.
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#45
by
Steven Pietrobon
on 20 Jan, 2016 02:44
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#46
by
Flying Beaver
on 20 Jan, 2016 02:45
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Launch key xD
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#47
by
Steven Pietrobon
on 20 Jan, 2016 02:46
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#48
by
Chris Bergin
on 20 Jan, 2016 02:46
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India's Rob Navias
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#49
by
Steven Pietrobon
on 20 Jan, 2016 02:47
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#50
by
Steven Pietrobon
on 20 Jan, 2016 02:48
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#51
by
Galactic Penguin SST
on 20 Jan, 2016 02:48
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FYI, the Youtube stream is now working.
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#52
by
Steven Pietrobon
on 20 Jan, 2016 02:49
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#53
by
Chris Bergin
on 20 Jan, 2016 02:49
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#54
by
Steven Pietrobon
on 20 Jan, 2016 02:50
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#55
by
Chris Bergin
on 20 Jan, 2016 02:50
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FYI, the Youtube stream is now working. 
That's more like it! Different stream I think, but in English and better quality.
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#56
by
Steven Pietrobon
on 20 Jan, 2016 02:51
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#57
by
Steven Pietrobon
on 20 Jan, 2016 02:52
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#58
by
Steven Pietrobon
on 20 Jan, 2016 02:53
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#59
by
Chris Bergin
on 20 Jan, 2016 02:53
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#60
by
Steven Pietrobon
on 20 Jan, 2016 02:54
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T-8 minutes. Four balloons released.
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#61
by
Chris Bergin
on 20 Jan, 2016 02:55
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#62
by
Steven Pietrobon
on 20 Jan, 2016 02:55
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#63
by
Steven Pietrobon
on 20 Jan, 2016 02:56
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#64
by
Steven Pietrobon
on 20 Jan, 2016 02:57
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#65
by
Chris Bergin
on 20 Jan, 2016 02:57
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Bing bong, ding dong. T-4 mins.
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#66
by
Steven Pietrobon
on 20 Jan, 2016 02:58
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#67
by
Steven Pietrobon
on 20 Jan, 2016 02:59
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T-3 minutes. Press the envelope?
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#68
by
Chris Bergin
on 20 Jan, 2016 03:00
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Getting some good views of the screens. Looks like they just got an e-mail too!
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#69
by
Chris Bergin
on 20 Jan, 2016 03:00
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T-60 seconds.
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#70
by
Steven Pietrobon
on 20 Jan, 2016 03:00
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T-2 minutes. Somebody send their email!
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#71
by
Steven Pietrobon
on 20 Jan, 2016 03:01
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#72
by
Steven Pietrobon
on 20 Jan, 2016 03:02
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#73
by
Chris Bergin
on 20 Jan, 2016 03:03
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#74
by
Steven Pietrobon
on 20 Jan, 2016 03:03
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#75
by
Chris Bergin
on 20 Jan, 2016 03:04
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Staging. On to the second stage.
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#76
by
Steven Pietrobon
on 20 Jan, 2016 03:04
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PS1 separation.
PS2 ignition.
T+2 minutes.
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#77
by
Chris Bergin
on 20 Jan, 2016 03:05
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Staging 2-3
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#78
by
Steven Pietrobon
on 20 Jan, 2016 03:05
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T+3 minutes.
Heatshield separation.
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#79
by
Steven Pietrobon
on 20 Jan, 2016 03:06
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T+4 minutes.
PS2 separation.
PS3 ignition.
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#80
by
Chris Bergin
on 20 Jan, 2016 03:06
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#81
by
Steven Pietrobon
on 20 Jan, 2016 03:07
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#82
by
Chris Bergin
on 20 Jan, 2016 03:07
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Heh! He opened a completely blank piece of paper.
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#83
by
Steven Pietrobon
on 20 Jan, 2016 03:08
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#84
by
Steven Pietrobon
on 20 Jan, 2016 03:09
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#85
by
Steven Pietrobon
on 20 Jan, 2016 03:10
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#86
by
Steven Pietrobon
on 20 Jan, 2016 03:11
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#87
by
Steven Pietrobon
on 20 Jan, 2016 03:12
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T+10 minutes.
PS3 separation.
PS4 ignition.
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#88
by
Steven Pietrobon
on 20 Jan, 2016 03:13
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#89
by
Steven Pietrobon
on 20 Jan, 2016 03:14
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#90
by
Steven Pietrobon
on 20 Jan, 2016 03:15
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#91
by
Steven Pietrobon
on 20 Jan, 2016 03:16
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#92
by
Steven Pietrobon
on 20 Jan, 2016 03:17
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#93
by
Steven Pietrobon
on 20 Jan, 2016 03:18
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#94
by
Chris Bergin
on 20 Jan, 2016 03:19
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Nominal performance.
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#95
by
Steven Pietrobon
on 20 Jan, 2016 03:19
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#96
by
Steven Pietrobon
on 20 Jan, 2016 03:20
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#97
by
Chris Bergin
on 20 Jan, 2016 03:20
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Stage 4 shutdown.
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#98
by
Steven Pietrobon
on 20 Jan, 2016 03:21
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#99
by
Chris Bergin
on 20 Jan, 2016 03:21
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#100
by
Steven Pietrobon
on 20 Jan, 2016 03:22
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Spacecraft separation!
280x20,667 km orbit.
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#101
by
Steven Pietrobon
on 20 Jan, 2016 03:23
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Event times.
Congratulations to ISRO for the successful launch!
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#102
by
Chris Bergin
on 20 Jan, 2016 03:23
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#103
by
Steven Pietrobon
on 20 Jan, 2016 03:23
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#104
by
Steven Pietrobon
on 20 Jan, 2016 03:24
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Satellite injected very precisely.
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#105
by
Steven Pietrobon
on 20 Jan, 2016 03:26
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Majestically opened calendar for 2016.
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#106
by
Steven Pietrobon
on 20 Jan, 2016 03:29
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Congratulate team of ISRO.
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#107
by
Steven Pietrobon
on 20 Jan, 2016 03:30
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We are no longer worried by success at all.
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#108
by
Steven Pietrobon
on 20 Jan, 2016 03:32
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32nd successful launch of PSLV.
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#109
by
Steven Pietrobon
on 20 Jan, 2016 03:33
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All functions performed extremely well.
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#110
by
Steven Pietrobon
on 20 Jan, 2016 03:35
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Both solar arrays have deployed.
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#111
by
Steven Pietrobon
on 20 Jan, 2016 03:38
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#112
by
Steven Pietrobon
on 20 Jan, 2016 03:41
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IRNSS Program Director.
ISRO chairman. We have a long way to go.
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#113
by
Steven Pietrobon
on 20 Jan, 2016 03:42
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#114
by
northenarc
on 20 Jan, 2016 03:43
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Congrats to ISRO on another successful launch, sounds like it will be a busy year for them.
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#115
by
Ohsin
on 20 Jan, 2016 05:27
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Press Release
20-January-2016 11:50 IST
PSLV-C31 Successfully Launches India's Fifth Navigation Satellite IRNSS-1E
ISRO's Polar Satellite Launch Vehicle, PSLV-C31, successfully launched the 1425 kg IRNSS-1E, the fifth satellite in the Indian Regional Navigation Satellite System (IRNSS) today morning (January 20, 2016) from Satish Dhawan Space Centre SHAR, Sriharikota. This is the thirty second consecutively successful mission of PSLV and the eleventh in its 'XL' configuration.
After the PSLV-C31 lift-off at 0931 hrs (9:31 am) IST from the Second Launch Pad with the ignition of the first stage, the subsequent important flight events, namely, strap-on ignitions and separations, first stage separation, second stage ignition, heat-shield separation, second stage separation, third stage ignition and separation, fourth stage ignition and satellite injection, took place as planned. After a flight of about 18 minutes 43 seconds, IRNSS-1E Satellite was injected to an elliptical orbit of 282.4 km X 20,655.3 km inclined at an angle of 19.21 degree to the equator (very close to the intended orbit) and successfully separated from the PSLV fourth stage. After injection, the solar panels of IRNSS-1E were deployed automatically. ISRO's Master Control Facility (at Hassan, Karnataka) took over the control of the satellite. In the coming days, four orbit manoeuvres will be conducted from Master Control Facility to position the satellite in the Geosynchronous Orbit at 111.75 deg East longitude with 28.1 deg inclination.
IRNSS-1E is the fifth of the seven satellites constituting the space segment of the Indian Regional Navigation Satellite System. IRNSS-1A, 1B, 1C and ID, the first four satellites of the constellation, were successfully launched by PSLV on July 02, 2013, April 04, 2014, October 16, 2014 and March 28, 2015 respectively. All the four satellites are functioning satisfactorily from their designated orbital positions.
IRNSS is an independent regional navigation satellite system designed to provide position information in the Indian region and 1500 km around the Indian mainland. IRNSS would provide two types of services, namely, Standard Positioning Services (SPS) - provided to all users - and Restricted Services (RS), provided to authorised users.
A number of ground stations responsible for the generation and transmission of navigation parameters, satellite ranging and monitoring, etc., have been established in eighteen locations across the country. In the coming months, the remaining two satellites of this constellation, namely, IRNSS-1F and IG, are scheduled to be launched by PSLV, thereby completing the entire IRNSS constellation.
http://pib.nic.in/newsite/PrintRelease.aspx?relid=134621
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#116
by
Artyom.
on 20 Jan, 2016 08:22
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Congrats to ISRO!
Photos of the launch:
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#117
by
catdlr
on 20 Jan, 2016 08:48
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Launch of Indian PSLV Rocket with IRNSS-1E Navigational Satellite
Published on Jan 19, 2016
An Indian PSLV rocket launched today, January 20th 2016 at 04:01 UTC. The rocket carried the fifth Indian Navigational Satellite, IRNSS-1E (Indian Regional Navigation Satellite System) into orbit, this is the 5th out of a planned 7 satellites in the fleet to be launched.
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#118
by
input~2
on 20 Jan, 2016 09:05
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2 objects have been cataloged by USSTRATCOM
2016-003A/41241 in 288 x 20567 km x 19.19° (S/C)
2016-003B/41242 in 289 x 20910 km x 19.07° (PSLV 4th stage)
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#119
by
ZachS09
on 20 Jan, 2016 12:54
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Although I don't usually watch PSLV or GSLV launches live, I still send my congrats to ISRO for another successful launch.
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#120
by
baldusi
on 20 Jan, 2016 13:57
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Congratulations to ISRO! Another impeccable PSLV launch. Let's just do the same with the VLM3.
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#121
by
vineethgk
on 20 Jan, 2016 14:07
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Thanks Steve and Chris for your wonderful coverage !
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#122
by
Ohsin
on 21 Jan, 2016 06:13
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#123
by
Ohsin
on 23 Jan, 2016 05:22
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#124
by
Ohsin
on 23 Jan, 2016 10:56
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#125
by
Chris Bergin
on 24 Jan, 2016 13:00
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ISRO @isro 1m1 minute ago
IRNSS 1E Update: The fourth and final orbit raising operation has been successfully carried out.
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#126
by
Ohsin
on 24 Jan, 2016 13:25
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#127
by
Ohsin
on 16 Feb, 2016 16:05
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