Continuous wave radars also use the Doppler shift, but rather than alternating between transmitting and receiving radio pulses, this type of radar has separate transmitters and receivers (Bruderer ...

The so-called "dual-pol" radar sends pulses of microwaves at two angles instead of one, allowing it better to discriminate ...

Camp Century, a subterranean military base in Greenland, was spotted under the icy expanse during a flight earlier this year.

Whether it’s a traffic safety measure, a potential new revenue source or both, it’s an idea on which Brandonites should have ...

As a NASA science flight was flying over the Greenland ice sheet this spring, a surprise popped up on a specialty radar: a hidden Cold War city more than 100 feet beneath the ice.