Navigation Satellite NVS-01
Source : The Hindu
GS III : Science and Technology
What is discussed under Navigation Satellite NVS-01?
- What is the purpose of NVS-01?
- About NavIC
Why in News ?
The Indian Space Research Organisation (ISRO) on May 29 successfully placed the NVS-01 navigation satellite.
- The country’s regional navigation system will be strengthened by NVS-01, which would offer precise and immediate navigation.
- This was GSLV’s 15th flight.
- With the NVS-1 launch, ISRO would have completed its fifth launch of the year and its second successful mission in a month.
Key Facts
Specifications of NVS-01
- NVS-01 Weighing about 2232 kg
- NVS-01 carried navigation payloads L1, L5 and S bands.
- The satellite will have a Rubidium atomic clock onboard, developed by India.
- NVS-01 is the first navigation satellite to host the indigenous clock.
- Longer mission life of more than 12 years.
- The satellite features two solar arrays generating up to 2.4 kW of power.
- A lithium-ion battery for eclipse support.
- NVS-01 thermal management and propulsion systems.
What is the purpose of NVS-01?
- Its purpose is to provide continuity for the NavIC (Navigation in Indian Constellation) services
- It is an Indian Regional Navigation Satellite System (similar to GPS).
- It offers accurate and real-time navigation within India and up to a 1,500 km region around the country.
- Under any weather, the system delivers flawless, unbroken services.
Current Status of NVS-01
- NVS-01 is the first in the series of second generation navigation satellite.
- The first generations was IRNSS series
- NVS-1 is part of the second-generation NavIC satellite series.
- Ensures continuity of existing services while introducing new services in the Li band.
- The satellite is intended to replace IRNSS-1G
About NavIC
What is NavIC
- It is a constellation of 7 satellites and a network of ground stations that are operational constantly make up NavIC or the IRNSS.
- Out of seven only eight satellites are working now.
- It was named as IRNSS-1A initially and the constellation’s first satellite, was launched on July 1, 2013, while the eighth satellite, IRNSS-1I was launched in April 2018.
- IRNSS was renamed NavIC by India’s Prime Minister in 2016.
- NAVIC provides coverage within India and extends up to 1,500 kilometres beyond its borders.
- They send out signals on several frequencies, such as the L5 and S bands, to increase precision and dependability.
- NavIC, 90-degree angle, making it easier for the signals to penetrate any locations.
- NavIC’s main objective is to meet the positioning and navigational requirements of users in this particular area.
Satellites in NavIC
- In the First generation, there are seven satellites in the Indian Regional Navigation Satellite System (IRNSS) constellation.
- There are seven satellites three satellites in geostationary orbit and four satellites in geosynchronous orbit.
- Satellites in Operation
- IRNSS-1 series satellites : IRNSS-1B, IRNSS-1C, IRNSS-1D, IRNSS-1E, IRNSS-1F, IRNSS-1G, IRNSS-1I
- NVS series satellites : NVS-01
What are the uses?
- It will helps is Navigation
- Mapping and geodetic data capture
- Fleet management sytsem
- Disaster Management
UPSC Civil Services Examination, Previous Year Question (PYQ)
Prelims
1. Which one of the following countries has its own Satellite Navigation System? (2023)
a. Australia
b. Canada
c. Israel
d. Japan
Ans: d
2. With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements: (2018)
1. IRNSS has three satellites in geostationary and four satellites in geosynchronous orbits.
2. IRNSS covers entire India and about 5500 sq. Km beyond its borders.
3. India will have its own satellite navigation system with full global coverage by the middle of 2019.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) None
Ans: (a)
Mains Questions
1. What is India’s plan to have its own space station and how will it benefit our space programme? (2019)
2. Why is Indian Regional Navigational Satellite System (IRNSS) needed? How does it help in navigation? (2018)
3. What do you understand by ‘Standard Positioning Systems’ and ‘Protection Positioning Systems’ in the GPS era? Discuss the advantages India perceives from its ambitious IRNSS programme employing just seven satellites. (2015)
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