Question:
Name India's first dedicated navigation satellite:
AIRS-1A
BTRS-1B
CIRNSS-1B
DIRNSS-1A
Answer:
D. IRNSS-1A
Explanation:
The Indian Regional Navigation Satellite System (IRNSS) regional satellite navigation system, provides accurate real-time positioning and timing services.
The system at-present consist of a constellation of 7 satellites, of which 4 are geosynchronous and 3 are geostationary, with two additional satellites on ground as stand-by.
It will provide two levels of service, the 'standard positioning service' and 'restricted service'.
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