Author Topic: SSTL S1-4 and NovaSAR-1 - PSLV C42 - September 16, 2018 (16:38 UTC)  (Read 15078 times)

Offline K210

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A PSLV launch with two payloads (SSTL-S1 and NovaSar-S) is planned for september. This will be the first dedicated commerical launch of PSLV since C29 mission in December 2015.

Source: https://timesofindia.indiatimes.com/india/isro-to-launch-rocket-solely-for-foreign-satellites-in-september/articleshow/65061764.cms
« Last Edit: 09/17/2018 08:11 am by input~2 »

Offline Rik ISS-fan

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Offline K210

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Re: SSTL-S1 and NovaSar-S - PSLV C42 September 2018
« Reply #2 on: 08/14/2018 01:46 pm »
As per recent NDTV interview of ISRO chairman targeted launch date is september 15th

Offline K210

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Offline zubenelgenubi

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Re: SSTL-S1 and NovaSar-S - PSLV C42 September 15th 2018
« Reply #4 on: 08/15/2018 03:38 pm »
Will this launch use the PSLV-XL?
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Offline ZachS09

Will this launch use the PSLV-XL?

In my humble opinion, yes.
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Offline K210

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Re: SSTL-S1 and NovaSar-S - PSLV C42 September 15th 2018
« Reply #7 on: 08/16/2018 09:39 am »
Will this launch use the PSLV-XL?

Given launch mass of only 900kg it should be a CA (Core alone) variant. However isro may choose to go for a XL variant anyways.

Offline steveo67

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Offline zubenelgenubi

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Re: SSTL-S1 and NovaSar-S - PSLV C42 September 15th 2018
« Reply #9 on: 08/17/2018 10:53 pm »
Will this launch use the PSLV-XL?
In my humble opinion, yes.
Yes per https://space.skyrocket.de/doc_lau/pslv.htm
Given launch mass of only 900kg it should be a CA (Core alone) variant. However isro may choose to go for a XL variant anyways.
Gunter: Is that direct information, or deduction?  (I copy/paste/sent this post to Gunter with my question.)

(The previous thought or consensus was that NovaSAR-S and SSTL-S1 4 were launching with multiple secondary payloads.  Some or all of those payloads are now manifested on PSLV C43.)
« Last Edit: 08/17/2018 11:11 pm by zubenelgenubi »
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Offline worldtimedate

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Re: SSTL S1-4 and NovaSAR-1 - PSLV C42 - September 15th 2018
« Reply #10 on: 08/18/2018 12:24 am »
SSTL Signs a Launch Agreement with the ISRO's Antrix Corporation

Quote
Surrey Satellite Technology Ltd. (SSTL) has signed an agreement with Antrix Corporation Limited, the commercial arm of the Indian Space Research Organisation (ISRO), for the launch into a 580 km. SSO of NovaSAR-1, a small, Synthetic Aperture Radar (SAR) satellite, and SSTL S1-4, a high resolution Earth observation satellite — the two satellites will launch on PSLV-C42 and is scheduled to lift-off in September of 2018.

Quote
NovaSAR-1 is a technology demonstration satellite mission designed to test the capabilities of a new low cost S-Band SAR platform.  The spacecraft was designed and manufactured by SSTL, with an S-Band SAR payload developed by Airbus Defence and Space in Portsmouth, UK, and an Automatic Identification Receiver (AIS) receiver supplied by COM DEV to track ships at sea.  NovaSAR-1 will be operated from SSTL's Spacecraft Operations Centre in Guildford, UK.

More info on NovaSAR
http://www.sst-us.com/downloads/datasheets/us_sstl_sar_small.pdf
« Last Edit: 09/11/2018 08:03 pm by worldtimedate »

Offline Skyrocket

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Re: SSTL S1-4 and NovaSAR-1 - PSLV C42 - September 15th 2018
« Reply #11 on: 08/18/2018 07:37 pm »

Gunter: Is that direct information, or deduction?  (I copy/paste/sent this post to Gunter with my question.)

(The previous thought or consensus was that NovaSAR-S and SSTL-S1 4 were launching with multiple secondary payloads.  Some or all of those payloads are now manifested on PSLV C43.)

I got this as direct information from an insider of the Indian space program - but i have until now not found a second independent or official confirmation.

Offline input~2

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Offline worldtimedate

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Re: SSTL S1-4 and NovaSAR-1 - PSLV C42 - September 15th 2018
« Reply #13 on: 09/02/2018 11:07 pm »
Quote
Isro chairman K Sivan told TOI, "We are going to conduct 19 missions, including 10 satellites and nine launch vehicles, between September and March. For Isro, this will be the highest density period for launches as never before we had launched two satellites within 30 days consecutively for months.

We will resume our services on September 15 with the PSLV C42 mission, which will totally be a commercial launch." PSLV C42 will carry UK satellites - Novasar and S1-4 - as the main payload.

Source : Isro to launch 19 missions in just 7 months

Offline K210

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Re: SSTL S1-4 and NovaSAR-1 - PSLV C42 - September 15th 2018
« Reply #14 on: 09/05/2018 09:51 am »
NOTAM is out!

Quote
F2294/18 NOTAMN

Q) YMMM/QWMLW/IV/BO/W/000/999/1719S08016E999

A) YMMM

B) 1809161615 C) 1809182015

D) 1809161615 TO 1809162015

1809171615 TO 1809172015

1809181615 TO 1809182015

E) LAUNCH OF EXPERIMENTAL VEHICLE PSLV-C42 ROCKET FROM INDIA WILL TAKE PLACE LAUNCH OF EXPERIMENTAL VEHICLE PSLV-C42 ROCKET FROM INDIA FLW RECEIVED FROM GOVERNMENT OF INDIA: INDIAN EXPERIMENTAL FLIGHT TRIAL LAUNCH IS SKED TO TAKE PLACE WITHIN THE FOLLOWING DANGER ZONE WHICH ENCROACHES THE MELBOURNE FLIGHT INFORMATION REGION (FIR)

THE ROCKET HAS BEEN SCHEDULED FROM 16 SEPTEMBER TO 18 SEPTEMBER 2018. DANGER TIMES ARE FROM 1615UTC TO 2015UTC DAILY

THE DANGER ZONES ARE BOUNDED BY THE FOLLOWING COORDINATES:

DANGER ZONE A:

00 00S 082 10E

00 20S 083 30E

04 05S 082 45E

03 45S 081 25E

DANGER ZONE B:

24 15S 077 25E

24 55S 080 00E

34 25S 078 00E

33 45S 075 25E

F) SFC G) UNL

Offline zubenelgenubi

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Re: SSTL S1-4 and NovaSAR-1 - PSLV C42 - September 16th 2018
« Reply #15 on: 09/06/2018 03:15 am »
NOTAM is out!

1) So, launch would be NET September 16, at approximately 16:30 UTC?

2) Does the daily launch window fill the entire NOTAM time length--approximately 4 hours?

3) Could someone plot the NOTAM quadrangles on a map, please?

4) We should see some satellite processing or launch vehicle imagery soon?
« Last Edit: 09/06/2018 03:17 am by zubenelgenubi »
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Offline K210

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Re: SSTL S1-4 and NovaSAR-1 - PSLV C42 - September 16th 2018
« Reply #16 on: 09/06/2018 02:48 pm »
NOTAM is out!

1) So, launch would be NET September 16, at approximately 16:30 UTC?

2) Does the daily launch window fill the entire NOTAM time length--approximately 4 hours?

3) Could someone plot the NOTAM quadrangles on a map, please?

4) We should see some satellite processing or launch vehicle imagery soon?

1. Yes launch is NET September 16th - Exact time is not set in stone yet

2. Most likely not. Most PSLV missions have launch window of around 20 minutes.

3. A more detailed NOTAM will be released closer to september 16th only then will accurate plotting be possible

4. Launch campaign pictures/video should be released around a week before launch


Offline zubenelgenubi

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Offline worldtimedate

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Re: SSTL S1-4 and NovaSAR-1 - PSLV C42 - September 15th 2018
« Reply #19 on: 09/11/2018 05:24 am »
https://www.reddit.com/r/ISRO/comments/9ee4tb/isro_will_launch_pslvc42_on_september_16th_at/
Quote
ISRO will launch PSLV-C42 on September 16th at 10.07pm
https://telugu.samayam.com/latest-news/india-news/isro-will-launch-pslv-c42-on-september-16/articleshow/65739252.cms

IST = UTC + 5:30

22:07 IST = 16:37 UTC, which makes a good match to the NOTAM.

EDT = UTC - 4.00
       = 16:37 UTC - 4.00
       = 12:37 AM

Launch Time is on September 16, 2018 at 12:37 PM EDT
« Last Edit: 09/11/2018 08:02 pm by worldtimedate »

Offline worldtimedate

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Isro gears up for full-fledged commercial launch on September 16

Quote
Indian Space Research Organisation (Isro) is gearing up for a full commercial launch on Sunday (September 16) when its PSLV C42 will lift off with two British satellites from the Sriharikota launchpad.

The two UK satellites - Novasar and S1-4-weighing 450 kg each will be the main payload as there will be no Indian satellite. Britain will use these satellites for earth observation.

Quote
Talking to TOI on Monday, Isro chairman K Sivan said, "It will be a full-fledged commercial launch. However, this will not be the first time Isro is going for the full commercial launch."

On April 23, 2007, the space agency had for the first time launched a rocket solely for commercial purpose. Its PSLV-CA carried Italy's astronomical satellite AGILE as the main payload. Thereafter, on July 10, 2015, Isro achieved another milestone when it carried out the heaviest commercial mission successfully as its PSLV-XL lifted off with five UK satellites together weighing 1,439 kg.

Offline ZachS09

https://www.reddit.com/r/ISRO/comments/9ee4tb/isro_will_launch_pslvc42_on_september_16th_at/
Quote
ISRO will launch PSLV-C42 on September 16th at 10.07pm
https://telugu.samayam.com/latest-news/india-news/isro-will-launch-pslv-c42-on-september-16/articleshow/65739252.cms

IST = UTC + 5:30

22:07 IST = 16:37 UTC, which makes a good match to the NOTAM.

EDT = UTC - 4.00
       = 16:37 UTC - 4.00
       = 12:37 AM

Launch Time is on September 16, 2018 at 12:37 AM EDT

More like 12:37 PM EDT. You were twelve hours off.
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Offline Ewoker

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if the launch is 22:07 IST on 16th it is 16:37 UTC wich is 12:37 EDT all on 16th and all by 24h clock, that is near noon in EDT. That is 12:37 pm if i've understood the 12h clock correctly. 12h clock should never be used when writing/typing international times. in my opinion.

Offline worldtimedate

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if the launch is 22:07 IST on 16th it is 16:37 UTC wich is 12:37 EDT all on 16th and all by 24h clock, that is near noon in EDT. That is 12:37 pm if i've understood the 12h clock correctly. 12h clock should never be used when writing/typing international times. in my opinion.
Thanks to both of you for finding out my typo error. Such silly error has happened as weariness has overcome me.

Launch time is on Sunday, September 16, 2018 at 12:37:00 PM EDT

Offline TheVarun

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 Still no brochure or preview( 'curtain raiser') on the launch. Maybe because there is nothing particularly remarkable about this mission. Which itself in a way, shows ISRO's maturity.  Nevertheless, here's hoping for another success!

Offline input~2

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A2428/18 -  PSLV-C42 ROCKET LAUNCH FM SHAR RANGE,SRIHARIKOTA WILL TAKE PLACE 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: 134354N0801412E NO FLT IS PERMITTED OVER THE DNG ZONES. A.DNG ZONE-1 IS A CIRCLE OF 10NM AROUND THE LAUNCH PAD B.DNG ZONE-2 IS A RECTANGULAR  AREA BOUNDED BY: 1205N 08105E 1235N 08135E 1150N 08210E 1120N 08140E C.DNG ZONE-3 IS A RECTANGULAR  AREA BOUNDED BY: 0935N 08245E 0935N 08320E 0825N 08320E 0825N 08245E D.DNG ZONE-4 IS A RECTANGULAR AREA BOUNDED BY: 0000S 08210E 0020S 08330E 0405S 08245E 0345S 08125E E.DNG ZONE-5 IS A RECTANGULAR AREA BOUNDED BY: 2415S 07725E 2455S 08000E 3425S 07800E 3345S 07525E END PART 1 OF 4. 1615-2015, 16 SEP 16:15 2018 UNTIL 14 OCT 20:15 2018. CREATED: 08 SEP 04:19 2018

Offline Salo

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https://www.isro.gov.in/launcher/pslv-c42-mission
Quote
PSLV-C42 Mission

The PSLV-C42 mission, in its core alone configuration, is scheduled to launch two international customer satellites of Surrey Satellite Technology Limited (SSTL), United Kingdom.  Antrix Corporation Limited, the commercial arm of the Indian Space Research Organisation has been contracted by SSTL for launching their two satellites, namely, NovaSAR and   S1-4. The PSLV-C42 mission is scheduled on  September 16, 2018 from the First Launch Pad of the Satish Dhawan Space Centre SHAR, Sriharikota. Both the satellites are planned to be launched by PSLV-C42 into a 583 km Sun Synchronous Orbit.

NovaSAR with S-Band Synthetic Aperture Radar (SAR) is a small satellite intended for forest mapping, land use and ice cover monitoring, flood and disaster monitoring, Ship detection and Maritime monitoring.

S1-4 is a high resolution Optical Earth Observation Satellite used for surveying resources, environment monitoring, urban management and disaster monitoring.

Gallery:
https://www.isro.gov.in/pslv-c42-mission/pslv-c42-mission-gallery

Offline K210

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Launch campaign pics are up!

Official mission page: https://www.isro.gov.in/launcher/pslv-c42-mission

Offline K210

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Initial pictures seem to confirm that vehicle is CA (Core Alone) variant. This will be the first time since December 2015 this variant will fly.
« Last Edit: 09/12/2018 01:17 pm by K210 »

Offline zubenelgenubi

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Re: Indian launch schedule
« Reply #29 on: 09/12/2018 03:40 pm »
Cross-post; further information about the PSLV C42 launch:

It's a PSLV-CA, launching from FLP.

Apparently, there are only the two SSTL satellites as payload--NovaSAR and S1-4.

https://www.isro.gov.in/launcher/pslv-c42-mission
Quote
PSLV-C42 Mission

The PSLV-C42 mission, in its core alone configuration, is scheduled to launch two international customer satellites of Surrey Satellite Technology Limited (SSTL), United Kingdom.  Antrix Corporation Limited, the commercial arm of the Indian Space Research Organisation has been contracted by SSTL for launching their two satellites, namely, NovaSAR and   S1-4. The PSLV-C42 mission is scheduled on  September 16, 2018 from the First Launch Pad of the Satish Dhawan Space Centre SHAR, Sriharikota. Both the satellites are planned to be launched by PSLV-C42 into a 583 km Sun Synchronous Orbit.

NovaSAR with S-Band Synthetic Aperture Radar (SAR) is a small satellite intended for forest mapping, land use and ice cover monitoring, flood and disaster monitoring, Ship detection and Maritime monitoring.

S1-4 is a high resolution Optical Earth Observation Satellite used for surveying resources, environment monitoring, urban management and disaster monitoring.

Gallery:
https://www.isro.gov.in/pslv-c42-mission/pslv-c42-mission-gallery

And, a "fun fact":
<snip>
This will be the first time since December 2015 this variant [PSLV-CA] will fly.
« Last Edit: 09/12/2018 05:44 pm by zubenelgenubi »
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Offline K210

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Brochure is out

Screenshots + PDF attached

Source: https://www.isro.gov.in/pslv-c42-mission/pslv-c42-brochure
« Last Edit: 09/14/2018 09:32 am by K210 »

Offline K210

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Curtain Raiser Video


Offline TheVarun

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 K210, another credible space website, is still reporting that apart from the two main satellites, PSLV C-42 will also be carrying "several smaller secondary payloads".  Any idea what those payloads, if any, are?

Offline ZachS09

K210, another credible space website, is still reporting that apart from the two main satellites, PSLV C-42 will also be carrying "several smaller secondary payloads".  Any idea what those payloads, if any, are?

That source is out of date now that the brochure has been released.

Those secondary payloads are probably gonna be on the next PSLV mission carrying HySIS.
« Last Edit: 09/14/2018 06:22 pm by ZachS09 »
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Offline K210

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K210, another credible space website, is still reporting that apart from the two main satellites, PSLV C-42 will also be carrying "several smaller secondary payloads".  Any idea what those payloads, if any, are?

As per official mission brochure only two payloads will be onboard C42 - NovaSar and S1-4. The "several smaller secondary payloads" that some sources were/are reporting have been moved to C43 mission which is scheduled next month. 

Offline whiztech

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PSLV-C42 - Launch Live Telecast


Offline worldtimedate

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The countdown for the Launch of PSLV C42 has started.

Quote
The countdown begun today at 01:08 pm (IST) for the launch of PSLV C42 from Satish Dhawan Space Centre, Sriharikota. The scheduled launch is at 10:08 pm (IST) tomorrow.

Source  :
The countdown for the Launch of PSLV C42 has started.

https://twitter.com/isro/status/1040923475806871552?s=19
« Last Edit: 09/16/2018 12:54 am by worldtimedate »


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Offline Yellowstone10

If the stretched aspect ratio on the YouTube stream is bugging anyone, there's a stream on the ISRO site that's got the right ratio:

https://www.isro.gov.in/pslv-c42-mission/launch-of-pslv-c42-mission

Offline Steven Pietrobon

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Welcome screen.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

This is best:

Offline starbase

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YouTube webcast by DD News (correct aspect ratio):

Offline Steven Pietrobon

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Showing integration video.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-19 minutes and 20 seconds.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Launch key.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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

Offline Chris Bergin

Key turned.

Offline Steven Pietrobon

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T-13 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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Update #4 Chairman Dr K Sivan (centre) with team from Surrey Satellite Technology Ltd, UK, after final site inspection ahead of today's scheduled 10:08 pm (IST) launch of #PSLVC42 carrying NovaSAR & S1-4 satellites from Satish Dhawan Space Centre, Sriharikota

https://twitter.com/isro/status/1041254928876896256?p=v


Offline Steven Pietrobon

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Showing recorded video.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-10 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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T-9 Minutes

ISRO's mission director has turned his launch authorization key after confirming the Polar Satellite Launch Vehicle, the launch range, and satellites are ready for liftoff from India at 1638 GMT (12:38pm EDT). Watch

https://twitter.com/SpaceflightNow/status/1041362346352865280?p=v

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T-9 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-8 minutes. Reasonably clear weather.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

Sats:

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T-7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-6 minutes. Upper level winds within limits.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-5 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-4 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-3 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-2 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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


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Liftoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

Launch!

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T+1 minute.
« Last Edit: 09/16/2018 04:42 pm by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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First stage separation. Second stage ignition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Fairing separated.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+4 minutes.

Second stage separated. Third stage ignition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+5 minutes 21 seconds.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

Good as they go on to the third stage.

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T+6 minutes.

Third stage burnout. Now coasting.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+8 minutes.

Third stage separated. Fourth stage ignition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+9 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+10 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+11 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+12 minutes. Fourth stage performance nominal.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+13 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+14 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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

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T+16 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Fourth stage cutoff.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Separation!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Handshakes going around.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.


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ISRO Chairman and DOS Secretary.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

Says good orbits.

S/C Sep for SSTL S1-4 and NovaSAR-1 following a launch on ISRO's PSLV C42 - which should kick off a major salvo of launches for India.

ARTICLE: https://www.nasaspaceflight.com/2018/09/indian-pslv-launch-two-british-satellites/

Thanks to Steven for the coverage!

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10 satellite missions and eight launches in next six months.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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VSSC Director. PSLV-C43 soon.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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SDSC Director. "We can not be complacent."
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Mission Director. Orbit parameters well within specification.
« Last Edit: 09/16/2018 05:06 pm by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Sir Martin Sweeting from SSTL.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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LPSC Director.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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IPRC Director.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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IISU Director.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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SAC Director.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Mapperuo

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- Aaron

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ISRO Chairman wrapping up. GSAT 11 on 4 December and Chandrayaan 2 on 3 January.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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End of webcast.

Congratulations to ISRO and SSTL for the successful launch!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline SciNews

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launch and separation in HD with aspect ratio corrected

Offline starbase

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Does someone know why Sri Lanka is not on the map?

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Thank you, Steven!
Congratulations to the Sriharikota/PSLV/SSTL team.
Support your local planetarium!

Offline edkyle99

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« Last Edit: 09/17/2018 12:10 am by edkyle99 »

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SSTL twitter account says :
"We are delighted to confirm successful contact and good health for #NovaSAR-1 and SSTL S1-4 launched by PSLV C42 earlier this evening. Commissioning begun for both spacecraft."

https://twitter.com/SurreySat/status/1041446733409148928?p=v

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Does someone know why Sri Lanka is not on the map?

Politics I imagine. Everyone knows that dog-leg they perform is for a reason, and that is so as to not fly over Sri Lanka.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline SciNews

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PSLV-C42 launch and onboard camera view of spacecraft separation

Offline input~2

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3 objects have been cataloged by USSTRATCOM:
2018-071A/43618 in 576 x 591 km x 97.82° (S/C)
2018-071B/43619 in 576 x 591 km x 97.82° (S/C)
2018-071C/43620 in 574 x 617 km x 97.71° (PSLV 4th stage)

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Onboard camera video with original audio


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Australia has a 10% share of NovaSAR 1.

"Australia is one of the world’s largest users of satellite-derived data, but most of that data comes from foreign satellites. That’s why, in September 2017, we announced that we’d secured a 10 per cent share of tasking and acquisition time over the next seven years on NovaSAR-1."

https://blog.csiro.au/new-super-powered-satellite-blasts-off/
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Offline vineethgk

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Does someone know why Sri Lanka is not on the map?

Politics I imagine. Everyone knows that dog-leg they perform is for a reason, and that is so as to not fly over Sri Lanka.
To my mind, there are a few possible reasons for the missing Sri Lanka.

For one, that display is apparently a legacy system that has been in use for decades, and back then they might have thought depicting Sri Lanka in close proximity would clutter up the render of PSLV flight path.

Secondly, they may not have wanted to spook the Lankans into thinking that the rocket is flying dangerously close to the Sri Lankan landmass or its territorial waters. That map is after all quite zoomed out, so it may have given such an impression even if the flight path was sufficiently away from the danger zone. If the Sri Lankan government had expressed concern, Indian govt and ISRO may have ended up having to convince the Lankans, or even alter the existing flight path of the rocket. Just my conjecture.

Offline SciNews

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SSTL releases first images from S-Band Synthetic Aperture Radar satellite, NovaSAR-1 https://www.sstl.co.uk/media-hub/latest-news/2018/sstl-releases-first-images-from-s-band-synthetic-a

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