Q. With reference to NavIC (Navigation with Indian Constellation), consider the following statements;
1.Currently (NavIC) only provides short code signals but not the long code signals.
2.Currently, NavIC satellites orbit the earth in a geostationary or geosynchronous (GEO) orbit and Medium Earth Orbit(MEO).
Which of the statements given above is/are correct?
Statement 1 is correct: There are a Long Code and Short Code signals. Currently (NavIC) only provides short code. Long Code signals provide for the use of the strategic sector. Further, it will also prevents the signal from being breached.
Statement 2 is incorrect: Currently, NavIC satellites orbit the earth in a geostationary or geosynchronous (GEO) orbit or about 36,000 km from the earth. Its reach is only 1,500 km beyond Indian territory.
To make NavIC global, India needs satellites in Medium Earth Orbit(MEO). Hence, ISRO is planning to launch satellites in MEO.
Note: MEO orbits occupy a space between GEO and Low Earth Orbit (LEO) or about 250-2,000 km from earth.