Radar signals from "leaky" civilian and military aviation systems could act as a beacon to alien life, revealing intelligent ...

The "unintentional electromagnetic leakage" from airport radars and military radar systems can be "detectable across ...

If you're hoping that we can avoid the attention of alien civilizations by lying low, it's a bit late now. A new study ...

HUMANS have been searching for aliens for decades – but all this time, intelligent extraterrestrial life could have found us, ...

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

A recent study reveals that Earth's radar systems, both civilian and military, have been broadcasting our location to potential extraterrestrial civilizations for nearly 75 years.

In addition, some signal analyzers can also be used as a vector signal analyzer for measurement of phase profiles, modulation, transient analysis and spectrograms. Chirped radar signals A pulsed radar ...

Two problems with conventional radar make it unsuitable for many applications: Anyone with a radar receiver can tell when you activate it, and it can't image objects closer than about 100 feet.