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13th August 2025 (13 Topics)

Satellite Internet: Strategic, Economic, Security Impacts

Context:

Elon Musk’s Starlink is set to debut in India, signalling a significant shift in internet infrastructure and connectivity capabilities.

Satellite Internet as a Strategic Enabler and Security Challenge

Introduction

  • Satellite internet delivers broadband connectivity via satellites in Geostationary (GEO), Medium Earth Orbit (MEO), and Low Earth Orbit (LEO).
  • Recent developments in LEO mega-constellations like Starlink have transformed satellite-based communications.

Why Satellite Internet is Needed

  • Limitations of Ground-Based Networks:
    • Economically unviable in sparsely populated or remote areas.
    • Vulnerable to natural disasters (floods, earthquakes).
    • Inadequate for moving platforms (ships, aircraft) and temporary operations.
  • Advantages of Satellite Internet:
    • Global Coverage: Independent of terrain and terrestrial infrastructure.
    • Rapid Deployment: Useful in disaster management and sudden demand surges.
    • Mobility Support: Ships, aircraft, oil rigs, military deployments.

Types of Satellite Orbits and Characteristics

Orbit Type

Altitude

Coverage

Latency

Example

GEO

35,786 km

1/3 of Earth

High (~600 ms)

Viasat GX

MEO

2,000–35,786 km

Regional/global

Moderate

O3b

LEO

<2,000 km

Small footprint

Low (<40 ms)

Starlink

Mega-Constellations (LEO)

  • Hundreds/thousands of satellites with on-board processing.
  • Optical inter-satellite links for global data routing without excessive ground reliance.
  • Requires continuous “hand-off” between satellites due to rapid orbital movement.

Applications of Satellite Internet

  • Civilian Uses:
    • Remote area connectivity, telemedicine, precision agriculture, IoE (Internet of Everything).
    • Direct-to-smartphone services under testing by Starlink& AST SpaceMobile.
  • Military Uses:
    • Secure communications in conflict zones (e.g., Ukraine war).
    • Operational readiness in isolated zones (e.g., Indian Army in Siachen).
    • Drone integration, bypassing jamming systems.
  • Disaster Management:
    • Restoring communications post natural disasters (Hurricane Harvey example).

Security and Regulatory Challenges

  • Dual-use technology: Potential misuse by insurgents and criminal networks.
  • Borderless nature complicates jurisdiction and control.
  • Cybersecurity concerns: Risks of hacking, espionage, signal jamming.
  • Space debris and orbital congestion risks from large constellations.

Strategic Significance

  • Connectivity as a dimension of national power.
  • Critical for digital economy growth, defence readiness, and bridging the digital divide.
  • India must ensure indigenous capacity and international policy influence.

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