EMISAT – Our Electronic Intelligence In Space

Hello Aspirants,

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EMISAT comes just days after the Defence Research and Development Organisation (DRDO) demonstrated the Anti-Satellite (A-SAT) missile capabilities.

EMISAT was jointly developed by ISRO and DRDO, two frontline research agencies of the country.EMISAT is a satellite built around ISRO’s mini satellite – 2 bus.

EMISAT is an advanced electronic intelligence satellite (ELINT) and has been under development for more than five years.

The ministry of defence had initiated the development of this satellite under a project titled Kautilya, which was first openly acknowledged in 2013-14.

WHAT IS ELINT ?

ELINT is information derived primarily from electronic signals that do not contain speech or text (which are considered COMINT).

ELINT is technical and intelligence information obtained from electromagnetic emissions that are not radiated by communications equipment or by nuclear detonations and radioactive sources. It is the analyzing of electronic emissions from a given radar, weapon or electronic system.

HOW EMISAT WILL HELP OUR ARMED FORCES ?

It is the country’s first electronic surveillance satellite.

EMISAT is intended for measurement of Electromagnetic Spectrum.

EMISAT allows us to essentially know what kind of radar is at work on the other side, based on the spectrum and we will be able to read the distance between the radar and our asset too. The satellite can even intercept signals from radars on ships.

This adds to another dimension to the current land or aircraft based ELINT.

Till now, India was using airplanes as early warning platforms, but this satellite will give a space-based platform to sniff out enemy radars.

EMISAT was injected into the sun – synchronous polar orbit about 700 km from Earth. The objective is to detect low power radar signals. Such radars are typically used to be tracked by low-altitude air-borne vehicles, including aircraft and drones.

India will also be launching two more defence satellites sometime in July or August with its new rocket Small Satellite Launch Vehicle (SSLV).

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JAI HIND.