Add Yahoo as a preferred source to see more of our stories on Google. GRAZ, Austria — German sensor specialist Hensoldt has released a standalone package of its Twinvis passive radar, a technology ...

COLOGNE, Germany — The German air force has begun testing so-called passive radar as a complementary surveillance technique for ground-based air-defense formations, aimed at helping covert operations ...

German defense electronics specialist Hensoldt has teamed up with its Czech counterpart ERA to offer a passive air surveillance system for use by the German Air Force. Hensoldt wants to offer the ...