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GSAT-N2: India's Next Communication Satellite to Transform Broadband and In-Flight Connectivity - In Bulletin

 Government of India’s commercial space arm, NewSpace India Limited (NSIL), under the Department of Space, proudly announces the launch of GSAT-N2 through SpaceX’s Falcon-9 rocket, a Ka-band High Throughput Satellite (HTS) designed to revolutionize broadband services and in-flight connectivity across the Indian subcontinent.


GSAT-N2: India's Next Communication Satellite to Transform Broadband and In-Flight Connectivity - In Bulletin

GSAT-N2, also known as GSAT-20, is the second demand-driven satellite of NSIL, marking a significant milestone in India's satellite communication capabilities. With a lift-off mass of 4700 kg and a mission life of 14 years, GSAT-N2 is equipped with advanced technologies that will enhance internet connectivity and communication services nationwide.


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Key Features and Capabilities

Enhanced Broadband and IFC:

GSAT-N2 will boost broadband services and in-flight connectivity (IFC) through its Ka-band transponders, which utilize multiple spot beams to maximize coverage and efficiency.

High Throughput and Frequency Reuse:

The satellite’s architecture features 32 user beams – 8 narrow spot beams for the Northeast region and 24 wide spot beams for the rest of India – supported by hub stations within mainland India. This configuration supports a large subscriber base with small user terminals, delivering a throughput of approximately 48 Gbps.

Advanced Payload:

The payload includes three parabolic 2.5-meter deployable reflectors with multiple feeds, generating 32 spot beams using a single feed per beam configuration, thus optimizing signal strength and coverage.


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Robust Technical Specifications

Structural Design:

GSAT-N2 utilizes a Carbon Fiber Reinforced Polymer (CFRP)-based I4K bus, ensuring compatibility with all major launch vehicles.

Thermal and Power Management:

The satellite's thermal control system combines active elements like heat pipes and heaters with passive elements such as multi-layer insulation blankets and optical solar reflectors. It features a fully regulated 70V bus system with solar panels and Li-Ion batteries, generating and storing energy to meet a power requirement of approximately 6 kW.

Propulsion and Control:

The unified bi-propellant chemical propulsion system, using MON3 as oxidizer and MMH as fuel, along with a body-stabilized, momentum-biased Attitude and Orbit Control System (AOCS), ensures precise positioning and stable communication operations.


Strategic Impact

GSAT-N2's launch represents a significant leap towards fulfilling India's vision of a digitally connected society. By enhancing broadband infrastructure and providing reliable in-flight connectivity, the satellite will cater to the growing demand for high-speed internet, supporting digital inclusion and economic growth across the nation.


As India continues to advance in space technology, GSAT-N2 exemplifies the country's commitment to leveraging space assets for socio-economic benefits, reinforcing its position as a leader in the global space industry.


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