Headline : PSLV to launch military’s eye in the sky
- ISRO will launch India’s first electronic intelligence satellite, EMISAT onboard PSLV-C45.
- PSLV-C45 mission, for the first time, will launch satellites in 3 different orbits
- EMISAT, electronic intelligence satellite in the low earth orbit, 749 km above the surface of the earth.
- 28 foreign satellites in the lower orbit of 504 km for USA, Lithuania, Spain and Switzerland.
- The PSLV PS-4, the 4th stage of the rocket, will be launched as orbital platform at a height of 485 km to provide a microgravity environment for research organisations and academic institutes to perform experiments. for the following experimental satellites:
- ARIS (Advanced Retarding Potential Analyzer for Ionospheric Studies) satellite of Indian Institute of Space Science and Technology to study the structure and composition of ionosphere
- Automatic Identification System (AIS) for Maritime satellite applications from ISRO
- Amateur radio applications satellite ARPS (Automatic Packet Repeating System) from AMSAT (Radio Amateur Satellite Corporation) India
- Besides, PSLV-C45 is the first mission that is using the QL variant of PSLV rocket launcher to launch satellites in 3 different orbits.
- EMISAT is an electronic intelligence satellite based on ISRO’s Indian Mini Satellite -2 (IMS-2) bus platform.
- The 435-kg EMISAT was developed under project KAUTILYA of Defence Electronics Research Laboratory of DRDO.
- It is basically designed to intercept signals from enemy radars in order to develop effective jamming techniques to counter the enemy radar.
- It will be launched in a highly elliptical orbit to maximize the dwell time over specific signal recording area.
- Satellite-based electronic intelligence will augment the armed forces to counter radars.
- Electronic Intelligence basically involves interception of signals from radars.
- Once the signal is intercepted, the ELINT system collects data related to radar signals including its bandwidth, intensity, location from where it is emitted etc creating what is called a RF signature. (Radio frequency)
- Once the RF signature is created it can be used for locating and identifying the radar in subsequent encounters.
- It can also help in developing appropriate jamming techniques to counter the enemy radar.
Section : Science & Tech