IRNSS-1H – PSLV-C39 (XL) – Шрихарикота – 31.08.2017

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che wi

After PSLV-C38 success, Isro sets focus on next PSLV-C39 launch by August first week

ЦитироватьTHIRUVANANTHAPURAM: Soon after the successful launch of PSLV-C38 on Friday at 9.29 am, the Isro team, including scientists from Vikram Sarabhai Space Centre (VSSC) and Liquid Propulsion Systems Centre (LPSC), returned here the same day evening. The scientists led by VSSC director K Sivan indicate that the focus will be on the launch of the next PSLV-C39 in August first week.

Спойлер
Ahead of the next PSLV-C39 launch to place a navigational satellite in orbit, it is planned to launch a communication satellite GSAT-17 from French Guiana this June 28, ISRO chairman AS Kiran Kumar told TOI.

"Among the two more PSLV launches planned this year include PSLV-C39 by August first week. Then GSLV-Mk II launch is planned by December and GSLV-MK III by early next year. It is also planned to launch one more communication satellite GSAT-11 from French Guiana in December this year," he said.

On the reason to launch Indian satellites from France despite ISRO's prowess, he said though it is expensive to launch our satellites from other countries, it would take some more time to launch heavy satellites weighing over 3.2 ton that too soon after the recent launch of 104 satellites on board PSLV-C37 this Feb 15. The launch of GSAT satellites from French Guiana was slated earlier, he said. The 3425 kg GSAT-17 and 5725 kg GSAT-11 are communication satellites expected to boost internet services of digital India.

On the success of PSLV-C38 mission, he said all the 31 satellites separated successfully including the first satellite Cartosat-2 series at 505 km sun synchronous orbit in 16 mins 43 seconds after lift-off and the last satellite was injected into orbit in 23 minutes.

After three stages of the launch vehicle burn out that falls into the sea, in the fourth stage of the launch vehicle at 505 km it placed the satellite into orbit. Then the vehicle continues to orbit around the earth, so to bring down at a lower orbit of 350 km, it is controlled by two retro-booster firings for restarts. Third re-start of the fourth stage of the vehicle will be controlled tonight to bring down the orbital velocity and change its inclination with respect to the equator, so that launch vehicle which is of no utility value is burnt out neutralising the fuel left out, Isro chairman Kiran Kumar said.

"It was a 100 percent successful launch of PSLV-C38 in placing the 31 satellites including 29 satellites from other countries." VSSC director K Sivan told TOI on Friday. Now, the focus is on the next PSLV-C39 launch in August first week to place the navigational satellite IRNSS-1H in orbit, he said.

While, Liquid Propulsion Systems Centre (LPSC) director S Somnath said the Cartosat-2E is the third satellite of the Cartosat-2 series. With this launch, Cartosat-2 series constellation is complete. It is intended for fast, repetitive earth observation, cartography or mapping and information dissemination. Further, the focus is to launch the navigational satellite IRNSS-1H on board PSLV-C39.
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tnt22

ISRO на своём сайте открыла страницу миссии

http://isro.gov.in/pslv-c39-irnss-1h-mission
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PSLV-C39/IRNSS-1H Mission

The next mission, PSLV-C39 will launch IRNSS-1H navigation satellite, scheduled in August 2017. IRNSS-1H will augment the existing seven satellites of NavIC constellation.

che wi

ISRO to launch a 'back-up' navigation satellite by month end

ЦитироватьIndian Space Research Organisation (ISRO) will launch its Navigation satellite IRNSS-1H by the end of this month to augment the existing seven satellites of NavIC constellation, a senior ISRO official said.

To be launched on board PSLV-C39, IRNSS-1H will be a "back up" navigation satellite for IRNSS-1A, one among the seven satellites in the constellation, as its three rubidium atomic clocks on board had stopped functioning.

"IRNSS-1H on board PSLV-C39 will be launched by the end of this month. The exact date will be decided shortly," a senior ISRO official told PTI. He said IRNSS-1H will be a back up for IRNSS-1A, whose three "imported atomic clocks had failed".

Спойлер
The Indian Regional Navigation Satellite System (IRNSS) is an independent regional navigation satellite system developed by India on par with US-based GPS.

The system that offers services like terrestrial and marine navigation, disaster management, vehicle tracking and fleet management, navigation aide for hikers and travellers, visual and voice navigation for drivers, was named as 'NavIC' (Navigation with Indian Constellation) by Prime Minister Narendra Modi.

ISRO had launched seven satellites - IRNSS-1G on April 28, 2016, IRNSS-1F (March 10, 2016), IRNSS-1E (January 20, 2016), IRNSS-1D (March 28, 2015), IRNSS-1C (October 16, 2014), IRNSS-1B (April 4, 2014) and IRNSS-1A on July 1, 2013.

According to ISRO officials, the total cost of all the seven satellites was Rs 1,420 crore.
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tnt22

http://www.sakshi.com/news/telangana/pslv-sea-39-experiment-on-31st-497055
Цитировать31న పీఎస్‌ఎల్వీ–సీ39 ప్రయోగం
Sakshi | Updated: August 04, 2017 00:57 (IST)

శ్రీహరికోట(సూళ్లూరుపేట): శ్రీపొట్టి శ్రీరాములు నెల్లూరు జిల్లా లోని సతీష్‌ ధావన్‌ స్పేస్‌ సెంటర్‌(షార్‌) నుంచి ఈ నెల 31న పీఎస్‌ఎల్వీ–సీ39 ఉపగ్రహ వాహక నౌకను ప్రయోగించేందుకు ఇస్రో శాస్త్రవేత్తలు సన్నద్ధమవుతున్నారు. దీని ద్వారా ఇండియన్‌ రీజినల్‌ నావిగేషన్‌ శాటిలైట్‌ సిస్టమ్‌ (ఐఆర్‌ఎన్‌ఎస్‌ఎస్‌) ఉప గ్రహాన్ని రోదసీలోకి పంపేందుకు ఏర్పాట్లు చేస్తున్నారు. ఈ నెల 10 నుంచి 15లోపు బెంగళూరు నుంచి ఉపగ్రహం షార్‌కి వచ్చే అవకాశముంది.

స్వదేశీ సాంకేతిక పరిజ్ఞానంతో భారత్‌కు దిక్సూ చి వ్యవస్థను అందుబాటులోకి తెచ్చేందుకు 7 ఇండియన్‌ రీజినల్‌ నావిగేషన్‌ శాటిలైట్లను రోదసీలోకి పంపగా, అందులో ఒకటి సేవలను అందించడం మానేసింది. దానిస్థానంలో ఈ నెల 31న మరో ఉపగ్రహన్ని పంపేందుకు సన్నాహాలు చేస్తున్నారు.
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ЦитироватьPSLV-C39 experiment on 31st
Sakshi | Updated: August 04, 2017 00:57 (IST)

SRIHARITOTA (SULULARUPETA): Scientists at ISRO are getting ready to launch the PSLV-C39 satellite launcher on the 31st of August, from the Satish Dhawan Space Centre. The rocket will carry an Indian Regional Navigation Satellite System (IRNSS) satellite to orbit. The satellite is expected to reach SHAR from Bengaluru between the 10th and 15th of this month.

Apart from conducting research, ISRO also tries to provide navigation services to the nation. To this end, they have launched seven IRNSS satellites. However, one of them has stopped functioning. The upcoming launch on the 31-st of August is meant to replace that satellite.
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ЦитироватьЭксперимент PSLV-C39 на 31-е
Sakshi | Обновлено: 04 августа 2017 00:57 (IST)

ШРИХАРИТОТА (Сулуларупета): Ученые из ISRO собираются запустить спутниковую носитель PSLV-C39 31 августа из Космического центра Сатиша Дхавана (SHAR) в районе Неллор. Ракета выведет на орбиту спутник индийской региональной навигационной спутниковой системы (IRNSS). Ожидается, что спутник прибудет в SHAR из Бенгалуру между 10-м и 15-м числом этого месяца.

7 индийских региональных навигационных спутников были отправлены в космос, причем один из них перестал предоставлять Индии услуги с использованием местных технологий. На данный момент планируется отправить другой спутник 31-го числа этого месяца.
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tnt22

http://economictimes.indiatimes.com/news/science/india-to-launch-spare-navigation-satellite-august-end/articleshow/60007308.cms
ЦитироватьIndia to launch spare navigation satellite August-end

Aug 10, 2017, 08.17 PM IST

Bengaluru, Aug 10 (IANS) India will launch its eighth navigation satellite this month-end as a spare or back-up for its constellation in the geo-orbit, a top space agency official said on Thursday.

"We are preparing to launch the eighth Indian Regional Navigation Satellite System (IRNSS-1H) at the end of this month as a standby for the Navigation Indian Constellation (NavIC), which is operational for services," ISRO Satellite Centre Director M. Annadurai told IANS here.
Спойлер
The 1.4-tonne satellite will be launched fr om the state-run Indian Space Research Organisation's (ISRO) spaceport at Sriharikota off the Bay of Bengal in Andhra Pradesh, about 80 km northeast of Chennai.

"The satellite is ready to move from our centre to Sriharikota on August 12 on a special vehicle for integration with the rocket at the space centre," said Annadurai on the margins of a technology event.

The launch authorization board will decide on the date and time after all the checks were completed during the window for the launch schedule.

The space agency, however, will use a medium Polar Satellite Launch Vehicle (PSLV C39) with four strap-on motors to deploy the satellite first in the geo-transfer orbit and later in the geo-stationary orbit, about 36,000 km above the earth, wh ere the NavIC is orbiting over the last four years.

"The spare or standby satellite will also make up for the non-functioning of the three rubidium atomic clocks on board the first one (IRNSS-1A) and one each in the other two NavIC satellites," ISRO's Vikram Sarabhai Space Centre Director K. Sivan told IANS from Thiruvananthapuram.
 
Clarifying that the spare satellite (IRNSS-1H) would augment the NavIC's operations, Sivan said IRNSS-1A would continue to orbit and provide the services it is programmed for the intended users as part of the system.

"We are not going to abandon the first one (IA) as it working well with all its functions except the atomic clocks being normal. In the other satellites, we are using only one clock, as other two are for redundancy," said Sivan.

The clocks provide precise locational data for the users.

The first one was launched in July 2013 and the seventh one (IRNSS-1G) in April 2016.

The multi-purpose satellite-based positioning system, akin to the American GPS, Glonass of Russia, Galileo of Europe and China's Beidou, supports vehicle tracking, fleet management, disaster management and mapping services besides terrestrial, marine and aerial navigation in the sub-continent.

The space agency plans to launch an additional space navigation satellite later this year to augment the services of the Rs 1,420 crore NavIC.

"The two spare navigation satellites will make up for any shortfall in the operations and service provided by NavIC to the users round-the-clock over the next 10 years," added Sivan.

NavIC provides two types of services -- standard positioning service and restricted service. The former is for all users while the latter is an encrypted service for only authorised users.
 
 --IANS
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che wi

ISRO to launch back up nav-sat on August 31

ЦитироватьCHENNAI: India will launch a backup navigation satellite this month end as a replacement for the IRNSS-1A satellite whose three atomic clocks have failed. Reliable sources say the launch is tentatively fixed for August 31 on board PSLV-C39.

Indian Space Research Organisation (ISRO) chairman A S Kiran Kumar confirmed to the Express that the launch would happen this month end, but said the exact date hadn't been finalised yet.

Спойлер
The Rs 1,420 crore satellite navigation system NavIC suffered a setback in January last, when three rubidium atomic clocks of IRNSS-1A that was put into orbit on July 1, 2013, stopped working. Each satellite has three clocks and a total of 27 clocks for the navigation satellite system were supplied by the same vendor from Europe. The clocks are important to provide precise data.

ISRO officials maintain that the navigation services were not affected.

"Four satellites are enough to deliver robust navigation services. Even if IRNSS-1A is taken off the NavIC constellation, six are still operational. As per the original plan, we have two spares ready for contingency measures. So, one of them is being flown out this month," a senior official said.

NavIC is an independent regional navigation satellite system developed by India. It is designed to provide accurate position information service to users in India as well as the region extending up to 1,500 km from its boundary.

All satellites of the NavIC constellation are configured identically with I-1K Bus to be compatible for launch onboard PSLV.
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tnt22

http://www.isac.gov.in/flagoff-IRNSS-1H.jsp
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IRNSS-1H spacecraft has been flagged off to SDSC-SHAR launch pad on 11-Aug-2017



tnt22

Цитироватьనెలాఖరులో పిఎస్‌ఎల్‌వి-సి39 ప్రయోగం
Published Sunday, 13 August 2017
 


సూళ్లూరుపేట, ఆగస్టు 12: భారత అంతరిక్ష పరిశోధన సంస్థ (ఇస్రో) మరో నావిగేషన్ ఉపగ్రహ ప్రయోగానికి సన్నద్ధమవుతోంది. భారత అంతరిక్ష ప్రయోగ కేంద్రం సతీష్ థావన్ స్పేస్ సెంటర్ షార్ కేంద్రం నుంచి ఈ నెలాఖరులో పిఎస్‌ఎల్‌వి-సి 39 రాకెట్ ప్రయోగం జరిపేందుకు ఇస్రో శాస్తవ్రేత్తలు సన్నాహం చేస్తున్నారు. ఈ రాకెట్ ద్వారా కక్ష్యలోకి పంపే ఐఆర్‌ఎన్‌ఎస్‌ఎస్-1హెచ్ ఉపగ్రహం బెంగళూరులోని ఉపగ్రహ తయారీ కేంద్రం నుంచి శనివారం రోడ్డు మార్గాన అత్యంత భారీ భద్రత నడుమ షార్‌కు చేరింది. ఇప్పటికే షార్‌లోని రెండో ప్రయోగ వేదిక వద్ద రాకెట్ అనుసంధాన పనులు శరవేగంగా జరుగుతున్నాయి. రాకెట్ మూడు దశల అనుసంధాన పనులు పూర్తయిన తరువాత ఉపగ్రహాన్ని అమర్చి ప్రయోగానికి సిద్ధం చేయనున్నారు. ఇస్రో వర్గాల సమాచారం మేరకు ఈ నెల 31న రాకెట్ ప్రయోగం ఉండవచ్చని తెలుస్తోంది.
ЦитироватьPSLV-C39 experiment at the end of month

SULULARUPETA, AUGUST 12: Indian Space Research Organization (ISRO) is preparing for another Navigation satellite experiment. ISRO scientists are planning to launch a PSLV-C 39 rocket from the Indian Satish Dhawan Space Center SHAR. The IRNSS-1H satellite, which will sent to orbit by the rocket, came to SHAR from the satellite manufacturing facility in Bangalore on Saturday with the highest security. Rocket connectivity is already going on at the second launch platform in SHAR. Once the rocket is completed three phase of connectivity, the satellite will be set up and ready for use. According to information from ISRO, the rocket experiment may have been on the 31st of this month.
ЦитироватьЗапуск PSLV-C39 в конце месяца

Шрихарикота, 12 августа: Индийская организация космических исследований (ISRO) готовится к запуску навигационного спутника. Ученые ISRO планируют запустить ракету PSLV-C 39 из индийского космического центра им. Сатиша Дхавана SHAR. Спутник IRNSS-1, который будет отправлен на орбиту ракетой, прибыл в SHAR из спутникового производства в Бангалоре в субботу с самой высокой безопасностью. Сборка ракеты уже идет на второй стартовой платформе в SHAR. После того как будут завершены три этапа сборки ракеты, спутник будет установлен и готов к использованию. Согласно информации ISRO, ракетный эксперимент, возможно, будет 31-го числа этого месяца.

tnt22

NOTAM
ЦитироватьVOMF

A1683/17 (Issued for VOMF PART 1 OF 2) - PSLV C39 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 24HR IN ADVANCE THROUGH A SEPERATE NOTAM.
LAUNCH PAD COORD: 134312N 0801348E
NO FLT IS PERMITTED OVER THE DNG ZONE.
A. DNG ZONE -1 IS A CIRCLE OF 10NM AROUND THE LAUNCHER
B. DNG ZONE -2 IS A RECTANGULAR AREA BOUNDED BY:
1330N 08030E 1350N 08035E 1335N 08130E 1315N 08125E
C. DNG ZONE -3 IS A RECTANGULAR AREA BOUNDED BY:
1300N 08210E 1330N 08215E 1255N 08405E 1225N 08400E
D. DNG ZONE -4 IS A RECTANGULAR AREA BOUNDED BY:
1220N 08405E 1300N 08415E 1245N 08510E 1205N 08500E
E. DNG ZONE -5 IS A RECTANGULAR AREA BOUNDED BY:
1110N 08825E 1145N 08835E 1125N 08940E 1050N 08930E
F. DNG ZONE -6 IS A RECTANGULAR AREA BOUNDED BY:
0905N 09450E 0955N 09505E 0935N 09600E 0845N 09545E
G. DNG ZONE -7 IS A RECTANGULAR AREA BOUNDED BY:
1900S 13400W 1700S 13400W 1300S 11200W 0730S 09000W
0930S 09000W 1500S 11200W
ROUTES AFFECTED IN CHENNAI FIR ARE:
N571, N877, P761, P762, W20, A465, P628, Q10, Q11, Q23, Q24, V3, V4, V9 AND V11
CLOSURE/ALTN ROUTINGS:

//PART 1 OF 2 PARTS//. BTN 1200-1600, 31 AUG 12:00 2017 UNTIL 18 SEP 16:00
2017. CREATED: 22 AUG 08:46 2017

tnt22


tnt22

#10
НОТАМ, зона G
 

tnt22

http://www.isro.gov.in/update/23-aug-2017/pslv-c39-irnss-1h-mission-scheduled-to-be-launched-aug-31-2017-1859-hrs-sdsc-shar
ЦитироватьAug 23, 2017

PSLV-C39/IRNSS-1H Mission is scheduled to be launched on Aug 31, 2017 at 18:59 Hrs from SDSC SHAR, Sriharikota.

tnt22


tnt22

Страница миссии обновлена

http://www.isro.gov.in/launcher/pslv-c39-irnss-1h-mission
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PSLV-C39/IRNSS-1H Mission
The next mission, PSLV-C39 will launch IRNSS-1H navigation satellite, on August 31, 2017. IRNSS-1H will augment the existing seven satellites of NavIC constellation.
...

tnt22

На текущий момент время пуска:

18:59 IST --> 13:29 UTC (16:29 ДМВ)

tnt22

http://indianexpress.com/article/technology/science/isro-to-launch-a-new-navigation-satellite-on-august-31-4810900/
ЦитироватьISRO to launch a new navigation satellite on August 31

The IRNSS-1H, which will replace the IRNSS-1A, will be launched on board ISRO's work horse rocket the PSLV-C39 and the new satellite "will augment the existing seven satellites of NavIC constellation", ISRO said on Wednesday.

Written by Johnson TA | Bengaluru | Published:August 24, 2017 8:07 am


ISRO will launch a new navigation satellite into space on August 31 to replace the IRNSS-1A. (File)

The Indian Space Research Organization (ISRO) will launch a new navigation satellite into space on August 31 to replace the IRNSS-1A in a seven-satellite Indian navigation constellation following the failure of the IRNSS-1A due to deficiencies in three atomic clocks on the satellite that are crucial to providing positional information to users on earth.
Спойлер
The IRNSS-1H, which will replace the IRNSS-1A, will be launched on board ISRO's work horse rocket the PSLV-C39 and the new satellite "will augment the existing seven satellites of NavIC constellation", ISRO said on Wednesday.

Earlier this year, ISRO had stated that three Rubidium Atomic Frequency Standard (RAFS) clocks on the IRNSS 1A, the first of the seven IRNSS satellites that was launched on July 1, 2013, had malfunctioned, rendering the satellite ineffective. ISRO had originally indented for nine satellites in its Indian Regional Navigation Satellite System costing Rs 1,420 crore to service the global positioning data needs of the civilian sector and the Indian defence forces. While seven satellites were to form the Navigation Indian Constellation or NavIC, two satellites were meant to be replacements.

The atomic clocks in the new satellite are modified versions of the original clocks provided by an European supplier under a $4 million euro deal which were found deficient. Three similar clocks used in satellites for the European Galileo satellite system also reported similar problems.

ISRO has been carrying out modifications of clocks — procured fr om the European firm Spectratime — since 2008 to overcome technical issues. Investigations of malfunctioning clocks by the European Space Agency have revealed that a faulty component may be causing short circuits.
Спойлер
One of the primary reasons for the development of the indigenous Indian satellite navigation system like the IRNSS despite the existence of global systems like the Global Positioning System of the US, the Russian GLONASS, the European Galileo and the Chinese Beidou is the reliability that it offers when used for defence purposes. Accurate time keeping lies at the heart of navigation systems since the determination of a person's position on earth is subject to the accurate calculation of delays in signal transmission from the satellite to earth. Small errors in clocks can skew position data by several hundred kilometres.

On each of the IRNSS satellites there are three atomic clocks, with one acting as the primary time-keeper and the other two being in back-up mode. The failure of all three clocks on a satellite will render the satellite ineffective in providing positional information.

While three atomic clocks have failed on the 18 satellite European Galileo system, no satellite has been lost since the back-up clocks on the satellites have been in operation. "In recent months, a total of three RAFS clocks unexpectedly failed on Galileo satellites — all on Full Operational Capability satellites, the latest Galileo model. These failures seem to have a consistent signature, linked to probable short circuits, and possibly a particular test procedure performed on the ground," ESA stated in January this year.

ISRO started work on the Rs 1,420 crore IRNSS programme in 1999 after the Kargil war wh ere Indian defence forces could not use American GPS in the conflict zone to locate its soldiers.

The IRNSS positioning system is intended to provide two services — Standard Positioning Service (SPS) for general users and a Restricted Service (RS), which is an encrypted service provided only for authorised users like the defence forces.

NavIC is designed to provide accurate position information service to users in India as well as a region extending up to 1500 km from its boundary.
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tnt22

http://www.sakshi.com/news/national/the-irnss-1h-is-ready-for-the-experiment-501604
Цитироватьఐఆర్‌ఎన్‌ఎస్‌ఎస్‌–1 హెచ్‌ ప్రయోగానికి రంగం సిద్ధం

Sakshi | Updated: August 23, 2017 03:38 (IST)

శ్రీహరికోట (సూళ్లూరుపేట): భారత అంతరిక్ష ప్రయోగ కేంద్రమైన సతీష్‌ ధావన్‌ స్పేస్‌ సెంటర్‌ (షార్‌) నుంచి ఈ నెల 31న ప్రయోగించ తలపెట్టిన ఇండియన్‌ రీజినల్‌ నావిగేషన్‌ శాటిలైట్‌ సిస్టం (ఐఆర్‌ఎన్‌ఎస్‌ఎస్‌–1 హెచ్‌) ఉపగ్రహాన్ని మంగళవారం పీఎస్‌ఎల్‌వీ సీ–39 రాకెట్‌కు అమర్చారు. 1,400 కిలోల బరువైన ఈ ఉపగ్రహాన్ని రాకెట్‌కు శిఖర భాగాన అనుసంధానించారు.
    
    అన్ని పరీక్షలు నిర్వహించి బుధవారం హీట్‌షీల్డ్‌ క్లోజ్‌ చేసే ప్రక్రియను పూర్తి చేయను న్నారు. 28న తుది విడత సంసిద్ధతా కార్యక్రమం నిర్వహి స్తారు. అనంతరం కౌంట్‌డౌన్‌ ప్రక్రియ ప్రారంభమవుతుంది. ఈ నెల 31 సాయంత్రం 6.59కి ప్రయోగాన్ని నిర్వహించాలని లక్ష్యంగా పెట్టుకున్నారు. ప్రయోగం తేదీని, సమయాన్ని తుదివిడత ఎంఆర్‌ఆర్‌ సమావేశంలో అధికారికంగా ప్రకటిస్తారు. 
Краткий грубый перевод
ЦитироватьIRNSS-1H является полем для экспериментов

23 августа 2017 года 03:38 (IST)

Инкапсуляция завершена в понедельник (23-го). В среду (25-го) будет установлена тепловая защита. 28-го ожидается выпуск отчета о готовности к пуску (MRR), после чего начнётся обратеый отсчет времени до пуска в 18:59 IST 2017-08-31.

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http://www.prajasakti.com/Article/TaajaVarthalu/1958430
Цитироватьపీఎస్‌ఎల్‌వీ-సీ39 అనుసంధానం
 Posted On: Thursday,August 24,2017

శ్రీహరికోట: ...

మళ్లీ 27వ తేదీన ఉదయం వ్యాబ్‌ నుంచి ప్రయోగ వేదికకు రాకెట్‌ను తీసుకొస్తారు. ఇక్కడ కొన్ని పరీక్షలు నిర్వహించనున్నారు.
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ఈ దఫా రాకెట్‌ ప్రయోగానికి ముందుగా నిర్వహించే కౌంట్‌డౌన్‌ ప్రక్రియ 30 గంటలపాటు జరగనుంది. పీఎస్‌ఎల్‌వీ- సీ39 వాహకనౌక ఐఆర్‌ఎన్‌ఎస్‌ఎస్‌-1హెచ్‌ ఉపగ్రహాన్ని నింగిలోకి తీసుకెళ్లనుంది.
Краткий перевод
ЦитироватьШрихарикота:
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Утром 27-го состоится вывоз ракеты из VAB на стартовую площадку.
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Процесс обратного отсчета для этого ракетного запуска будет начат за 30 часов до пуска
PSLV-C39 со спутником IRNSS-1H.

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ISRO выпустила брошюру миссии

PSLV C39 .pdf - 3 146 968 B, 6 стр, 2017-08-28 13:16:00 UTC

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