(1) A group of frequencies in the electromagnetic spectrum that are assigned by regulatory agencies for a particular purpose. Also called a "frequency band." See frequency bands, spectrum ...

The electromagnetic spectrum has many types of light waves. It includes radio waves, microwaves, infrared light, visible light, ultraviolet, X-rays, and gamma rays. Each type of light has a different ...

Although you might not think of them in this way, you are in possession of two extraordinary antennas, perfectly tuned to receive a narrow band of electromagnetic radiation. These antennas are not ...

yet it makes up just a small portion of the electromagnetic spectrum. We invite you to take this self-guided tour, which covers the spectrum from radio waves to gamma rays.

The art of deception, as old as war itself, can garner astonishment when one side’s competence enables it to pull off an ...

The EA-18G Growler is the U.S. Navy’s premier electronic warfare (EW) aircraft, built to suppress enemy air defenses and ...

Often a phrase is used to help remember the order of the groups of the electromagnetic spectrum such as Roman Men Invented Very Unusual X-ray Guns. Each group contains a range of frequencies.

The types of radiation that occur in different parts of the spectrum have different uses and dangers - depending on their wavelength and frequency. The speed of electromagnetic waves in a vacuum ...

and THz regions of the electromagnetic spectrum. STL also serves as a prime contractor on a US Army radar program delivering direct government support in UHF-band thru W-band target signature ...

A theoretical astrophysicist from the University of Kansas may have solved a nearly two-decade-old mystery over the origins of an unusual "zebra" pattern seen in high-frequency radio pulses from the ...