ISRO Navigation Satellite Identification
The question asks to identify the Indian Space Research Organisation (ISRO) satellite designated for navigation purposes.
Understanding ISRO Satellite Functions
ISRO has launched various satellites for different applications. Key among them are:
- Navigation Satellites: Provide accurate positioning, navigation, and timing (PNT) services.
- Earth Observation Satellites: Used for resource monitoring, mapping, and environmental studies.
- Communication Satellites: Facilitate telecommunication and broadcasting services.
- Weather Satellites: Monitor weather patterns and provide meteorological data.
Analyzing the Options
Let's examine the roles of the satellites listed:
- IRNSS-1I: This satellite is part of the Indian Regional Navigation Satellite System (NavIC). NavIC is ISRO's own navigation satellite constellation designed to provide PNT services.
- RESOURCESAT-2A: This is an Earth observation satellite primarily used for observing natural resources.
- SCATSAT-1: This satellite carries a scatterometer payload to monitor sea surface winds, crucial for weather forecasting.
- SARAL: A joint ISRO-CNES (French space agency) satellite designed for oceanography and climate studies, carrying instruments like an altimeter and a radiometer.
Conclusion on Navigation Satellite
Based on the functions, the IRNSS series, including IRNSS-1I, is specifically developed and launched by ISRO for navigation services.
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