| PSLV-C41 | |
| Rocket: | PSLV-XL |
| Launch: | , 04:04:00 IST |
| Operator: | ISRO |
| Pad: | Sriharikota First |
| Payload: | IRNSS-1I |
| Outcome: | Success |
| Succession: | PSLV launches |
| Previous: | PSLV-C40 |
| Next: | PSLV-C42 |
PSLV-C41 was the 43rd mission of the Indian Polar Satellite Launch Vehicle (PSLV) rocket. It was launched on Thursday, April 12, 2018, at 04:04 Hrs (IST) by the Indian Space Research Organisation (ISRO) from the first launch pad of the Satish Dhawan Space Centre at Sriharikota, Andhra Pradesh. This was the 12th mission to use the PSLV XL configuration.
This mission launched IRNSS-1I navigation satellite into orbit.[1] The satellite is intended to replace the failed IRNSS-1A, and complete the constellation of geosynchronous navigation satellites after IRNSS-1H failed to do so. The satellite was successfully infected into orbit 19 minutes after lift-off. ISRO Chairman K. Sivan described the mission as a success and congratulated the scientists behind it.
Like its predecessor, IRNSS-1I has two types of payloads, navigation payload and the ranging payload. The navigation payload transmits navigation service signals to the users. This payload is operating in L5 band and S band. A highly accurate Rubidium atomic clock is part of the navigation payload of the satellite.[2] Failure of these Rubidium atomic clocks was the reason for IRNSS-1A to be deemed unfit. The satellite contains corner cube retroreflectors used for LASER ranging.
Launched on April 12, 2018,