In the context of Indian satellite, the INSAT is used for which of the following purpose?
I. Television broadcasting
II. Weather Forecasting
Show answer & explanation
Correct answer: C
Explanation
The correct answer option is (Option 3): Both I and II.
Explanation:
- The Indian National Satellite System (INSAT) is one of the largest domestic communication satellite systems in the Asia-Pacific region. It is a multipurpose satellite system, meaning that it is utilized simultaneously for a variety of different functions.
- Television Broadcasting: INSAT is extensively used for broadcasting Doordarshan programs, providing Direct-to-Home (DTH) services, and for radio networking.
- Meteorological Forecasting: INSAT satellites are equipped with specialized 'Very High Resolution Radiometers' (VHRR), which provide critical data for weather monitoring, cyclone prediction, and disaster management.
Key Facts about the INSAT System:
- Establishment: It was initiated in 1983 with the successful launch of 'INSAT-1B'.
- Nature: It is a joint endeavor involving ISRO, the Department of Space, the Department of Telecommunications, the India Meteorological Department (IMD), All India Radio, and Doordarshan.
Primary Applications:
- Telecommunications: Long-distance phone calls and data transmission.
- Education: Distance Education facilitated through satellites such as 'EDUSAT'.
- Search and Rescue: Receiving distress signals from maritime regions or disaster zones.
Important Questions for Upcoming Examinations:
Question: Which is India's first dedicated educational satellite?
Answer: GSAT-3, also known as EDUSAT.
Question: Which was the first satellite built by India, and when was it launched?
Answer: Aryabhata (1975) — although it was an experimental satellite.
Question: Which Indian satellite system has been designed specifically for navigation purposes only? Answer: NavIC (IRNSS - Indian Regional Navigation Satellite System).