Satellite Flashcards
Remote Sensing Satellites: Orbit and Purpose
Orbit: Polar orbit; Purpose: Survey and manage natural resources (forests, agriculture, wetlands).
Application of Remote Sensing: Mineral Prospecting
Identifies mineral deposits; Examples: ResourceSAT-1, 2A, 2B.
Application of Remote Sensing: Cartography (Mapping & GIS)
Creates contour maps for geographical analysis; Example: CartoSAT; Bhuvan System: Developed by ISRO & MapMyIndia.
Application of Remote Sensing: Oceanography
Mapping and studying ocean geography; Examples: OCEANSAT (4-5), SCATSAT-1, SARAL.
Application of Remote Sensing: Environment & Climate Monitoring
Monitors pollution and climate changes; Example: NISAR (NASA-ISRO collaboration); Note: India lacks a dedicated climate change satellite.
Application of Remote Sensing: Disaster Management
Hazard mapping of disaster-prone areas to aid in disaster management planning.
INSAT & GSAT Satellites (Since 1983): Orbit and Applications
Orbit: Geostationary/geosynchronous; Applications: Communication, Weather Forecasting, Tele-Education (EDUSAT), Telemedicine, Disaster Management.
INSAT-3A Key Features
Telecommunications: C-band and Ku-band transponders; Meteorology: VHRR and CCD camera; Search and Rescue: SAS&R payload; Data Relay: DRT for meteorological and hydrological data.
INSAT-3C Key Features
Telecommunications & Broadcasting: C-band and S-band transponders; Mobile Satellite Services (MSS).
INSAT-3D Key Features
Meteorology: Imager and Sounder; Data Relay: Data Relay Transponder; Search and Rescue: Search & Rescue Transponder.
INSAT-3DR Key Features
Meteorology: 6-channel imager and 19-channel sounder; Data Dissemination; Broadcasting: S-band transponders.
Tele-Education: Features and Limitations
Features: Distance Learning, Focus on Border & Remote Areas; Limitations: Lack of Infrastructure, Low Funding, Shortage of Trained Manpower.
Telemedicine: Purpose and Key Features
Purpose: Provides healthcare services via satellite; Features: Real-time medical consultation, Connects hospitals, ambulances, PHCs.
Telemedicine: Applications and Challenges
Applications: Remote diagnosis, Continuing Medical Education, Emergency Situations, Disaster Management, International Aid; Challenges: No Physical Examination, Psychological Barriers, Digital Divide, Technical Issues.
