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Researchers in England may have finally settled the centuries-old debate over who gets credit for the creation of calculus. For years, English scientist Isaac Newton and German philosopher Gottfried Leibniz both claimed credit for inventing the mathematical system sometime around the end of...

O waste of Life!!! go read about the latest European Vega that has 4 stages similar to PSLV. I must ask Europeans to learn from you and scrap their Vega rocket.

What a waste of LIFE!!!

:offpost::sleep:

Phased Array X band antenna for satellite communication using beam forming. Remote sensing sats are highly agile, so PAA antenna is used to keep the data bean focused on the receiver station on earth, while the satellite is maneuvered. :hang2::hang2::hang2:

1) 3 years. 2) Not sure. Last I know, engine and other components were under manufacturing. 3) Nop. Thats phased array X-band antenna for communication on RISAT1.

X band Sar will come after RISAT 3, probably around 2016-17.

RISAT-3 L Band SAR

The fence is behind the Army posts within Indian territory.

Breathtaking Cancer!!!!

We need this all over the country with enhanced detection and tracking capabilities (40-60 objects at the same time)

L band. Tracks 10 targets simultaneously. Will be used for tracking space debris and launch vehicles. Can be used to track Asat weapons.

ISRO MOTR cooling arrangement

What about Swordfish?

Everything done in house by ISRO.

We also have C band on Risat-1

The detection range is official figure. Its a liquid cooled radar. ISRO is operating SAR satellites in space, so its obvious they have sorted out the thermal management challenges of such systems. Regarding DRDO AEWC, RAM air cooling is normal.