IRNSS -1D, the fourth Navigational Satellite

IRNSS-1D is the fourth navigation satellite of seven satellites Indian Regional Navigation Satellite System(IRNSS) space segment.

After IRNSS-1A, IRNSS-1B  and IRNSS-1C,  IRNSS-1D was launched on March 28,2015.

IRNSS is an independent regional satellite system being developed by India.

IRNSS will provide two types of services:

1 .Standard Positioning Services (SPS)- which will be provided to all the user.
2. Restricted Service (RS) – which is an encrypted service provided only to the authourised users.

Application of IRNSS:
1. Terrestrial, Aerial and Marine Navigation
2. Vechile tracking and fleet management
3. Precise Timing
4. Terrestrial navigation aid for hikers and travellers
5. Disaster Management
6. Integration with mobile phones.
7. Mapping and Geodetic data capture.
8. Visual and voice navigation for drivers.

Source & Courtesy: ISRO