ISRO launches 2,250 kg NVS-03 satellite to restore NavIC to four satellites
GS3Economy · S&T · Environment · Security· Space technology (ISRO, missions)· Prelims·
Space technology and indigenous navigation systems: a key GS3 Science & Technology topic.
Why in news
ISRO successfully launched the NVS-03 satellite to restore the NavIC constellation to its minimum operational configuration of four satellites.
Background
The NVS-03 satellite weighs 2,250 kg and was launched from the Satish Dhawan Space Centre on October 30, 2026. It features an indigenous Rubidium atomic clock and transmits on the L1 frequency band to enhance civilian mobile access.
Facts for Prelims
- S&TNVS-03: A navigation satellite launched by ISRO to restore NavIC's operational fleet.
- FactNVS-03 weight: 2,250 kg.
- S&TRubidium atomic clock: An indigenous component used in the NVS-03 satellite.
- S&TL1 frequency band: The band used by NVS-03 to improve civilian mobile access.
- PlaceSatish Dhawan Space Centre: The launch site for the NVS-03 mission.
Prelims practice question
Which indigenous component is featured in the NVS-03 satellite to support its navigation capabilities?
- (a)Quartz oscillator
- (b)Hydrogen maser
- (c)Cesium atomic clock
- (d)Rubidium atomic clock
Show answer
Answer: (d) Rubidium atomic clock — The note specifies that the NVS-03 satellite features an indigenous Rubidium atomic clock.
For Mains
Q. Discuss the significance of indigenous navigation systems like NavIC in ensuring India's strategic autonomy and enhancing civilian infrastructure.
Dimensions to cover in your answer
- Strategic autonomy: Reducing dependence on foreign GNSS systems like GPS or GLONASS
- Technological sovereignty: Development of indigenous Rubidium atomic clocks for high-precision positioning
- Civilian utility: Enhancing mobile connectivity and disaster management through L1 frequency band transmissions
Keywords: Strategic Autonomy · Indigenous Technology · Navigation Systems · Space Infrastructure · Technological Sovereignty
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This note is generated automatically from SatyaDheesh's news feed and mapped to the UPSC CSE syllabus. Check facts against the original report or PIB before using them in an answer.