A depiction of the Watson-Watts and Wilkins passive radar experiment that detected a Heyford bomber aircraft at Daventry in 1935. One of the antennas was used to pick up the direct path signal ...

A reference antenna is used to listen ... helicopters from other types of aircraft, and also uses the ADS-B monitoring system as a sanity check. Radar can be used to monitor other vehicles as ...

is an airborne polarimetric Doppler radar operating at W-band (94.94 GHz). Up to 4 antennas are employable and can be configured to observe targets above and below the aircraft. The WCR provides ...

Stealth aircraft require antennas that minimize radar detectability while maintaining robust communication capabilities.

North Korea has begun testing its first long-range radar reconnaissance aircraft, based on the military transport Il-76 and ...

Embraer has finalised an agreement with Intelsat to install a high-speed in-flight connectivity system on E-Jet E2s during ...

Those familiar towers, often 40 feet high and topped with 20-by- 10-foot rotating antennas ... radar sweep, a second, high-frequency signal is transmitted along with the primary. When an aircraft ...

North Korea on Thursday disclosed what appears to be an airborne early warning and control aircraft for the first time and ...

The radar also has some limited capability to detect helicopters, rotating antennas and low, slow-moving fixed wing aircraft. As a battle management and command and control asset, the E-8C can ...

North Korea on Thursday disclosed what appears to be an airborne early warning and control aircraft for the first time and ...