In article . com,
wrote:

Some P-3's have also been fitted with a JSTARS-type Radar system:

http://aviationweek.typepad.com/ares...tesecret_.html

The article mentioned above is incorrect: the radar in question, the
AN/APY-10 is NOT an AESA antenna.

The APY-10 is a deravitive of the APS-137, both use a parabolic dish.

JSTARS is a passive ESA system.

Harry

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Harry Andreas
Engineering raconteur