Last mentioned: Mar 16, 2026
Clock Failure
The onboard Rubidium Atomic Frequency Standard ceases operation, halting navigation services.
Mission Milestone
The satellite officially completes its 10-year design mission life.
Satellite Launch
IRNSS-1F launched into geosynchronous orbit aboard the PSLV-C32 rocket.
The Indian Space Research Organisation (ISRO) has confirmed the failure of the primary atomic clock aboard the IRNSS-1F satellite, occurring just days after the spacecraft completed its decade-long design life. While the failure terminates the satellite's navigation utility, the platform remains operational for secondary messaging services in geosynchronous orbit.
This page surfaces every story mentioning SpectraTime across our space & defense coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running space & defense beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where SpectraTime was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |