ISRO Satellites List: Active Spacecraft Fleet

# The Silent Sentinels: Navigating ISRO's Active Satellite Fleet India possesses one of the largest constellations of operational satellites in the Asia-Pacific region, quietly serving national defense, remote sensing, meteorology, and communications. --- ## 1. INSAT & GSAT: Communication Backbones The **Indian National Satellite (INSAT)** and **Geosynchronous Satellite (GSAT)** systems power the nation's broadcasting infrastructure. - **Services:** Providing transponders for DTH television, digital news gathering, VSAT banking networks, and military communications. --- ## 2. Cartosat & Oceansat: Earth Observatories - **Cartosat Series:** High-resolution optical mapping satellites used for cartography, urban planning, and security monitoring. - **Oceansat Series:** Equipped with ocean color monitors to study sea state, sea winds, phytoplankton density, and fisheries.