description IRNSS-1I (NavIC) Overview
IRNSS-1I is an Indian navigation satellite launched by the Indian Space Research Organisation (ISRO) in 2018 to augment the regional NavIC constellation. It operates in geosynchronous orbit and provides positioning, navigation, and timing services over India and the surrounding region extending 1,500 kilometers beyond its borders. The satellite was primarily sent to replace IRNSS-1A after three of its rubidium atomic clocks failed, compromising its timing functions. It broadcasts standard and restricted navigation signals to civilian and authorized military users.
help IRNSS-1I (NavIC) FAQ
What is IRNSS-1I?
IRNSS-1I is an Indian navigation satellite launched by the Indian Space Research Organisation (ISRO) in 2018. It was sent into space to augment the country's regional NavIC constellation.
What orbit does the IRNSS-1I satellite operate in?
The satellite operates in a geosynchronous orbit. From this high altitude, it provides stable positioning, navigation, and timing data to its coverage area.
What region does the NavIC system (including IRNSS-1I) cover?
IRNSS-1I provides positioning services over India and the surrounding extended region. The NavIC system is specifically designed to offer accurate regional navigation independent of foreign systems like GPS.
Why was IRNSS-1I launched in 2018?
ISRO launched IRNSS-1I to replace failing atomic clocks on earlier satellites in the NavIC network. It was launched aboard a PSLV-C41 rocket to ensure the continuity of the navigation system.
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