It is an old trope in submarine movies. A sonar operator strains to hear things in the ocean but dares not “ping” for fear of ...

Like most waves in the electromagnetic spectrum, radio waves tend to bounce off of various objects. This can be frustrating to anyone trying to use something like a GMRS or LoRa radio in a dense city, ...

Selex Sistemi Integrati (SSI) is developing passive air-surveillance radar with the goal of producing a bistatic system—one in which the receiver is widely separated from “non-cooperative” ...

Abstract: Traditional active radars transmit a powerful electromagnetic pulse and record the echo's delay time and power to measure target properties of interest, such as range, velocity, and ...

For the last 30 years stealth technology on planes and ships has brought battleground advantage to the world's leading military powers. Countries like the United States have been able to fly ...

Thales Air Systems has been gathering operational experience with its new Homeland Alerter 100 passive surveillance radar—including use at a recent NATO live-flying exercise. The HA 100 discreetly ...

No audio available for this content. M3 Systems and TilT Consulting on June 1 were declared winners of the MyEUspace Competition 2021 for their passive radar for detection and localization of ...

Hensoldt has launched a deployable variant of its Twinvis family of passive radars called Twinvis Military Sheltered. (Hensoldt) Hensoldt has launched a new deployable variant of its passive radar ...

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 ...

A German radar vendor tracked the F-35 jets in 2018 from a pony farm. But it turns out the aircraft were flying with radar reflectors and ADS-B transponder (that could have made the task easier). An ...