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K Band search for term

K band designates certain portions of the electromagnetic spectrum, in either the microwave domain or in the infrared domain. The microwave K bands are used primarily for radar and satellite communications while the infrared K band is used for astronomical observations. NATO K band frequency range: 20 – 40 GHz // IEEE K band frequency range: 18 – 27 GHz

View Source: http://en.wikipedia.org/wiki/K_band

Ka Band search for term

The Ka band ("kay-ay band") covers the frequencies of 26.5–40 GHz, i.e. wavelengths from slightly over one centimeter down to 7.5 milimeters. The Ka band is part of the K band of the microwave band of the electromagnetic spectrum. This symbol refers to "K-above": in other words, the band directly above the K-band. The 30/20 GHz band is used in communications satellites, uplink in either the 27.5 GHz and 31 GHz bands, and high-resolution, close-range targeting radars aboard military airplanes. Some frequencies in this radio band are used for vehicle speed detection by law enforcement. Kepler Mission uses this frequency range to downlink the scientific data collected by the space telescope. In satellite communications, the Ka band allows higher bandwidth communication. It is used in the Inmarsat I-5 system and will be used in the upcoming Newsat Jabiru, and Iridium Next satellite series, for instance. The Ka band is more susceptible to rain attenuation than is the Ku band, which in turn is more susceptible than the C band.

View Source: https://en.wikipedia.org/wiki/Ka_band

KML search for term

Keyhole Markup Language (KML) is an XML notation for expressing geographic annotation and visualization within Internet-based, two-dimensional maps and three-dimensional Earth browsers. KML was developed for use with Google Earth, which was originally named Keyhole Earth Viewer.

View Source: http://en.wikipedia.org/wiki/Keyhole_Markup_Language

Ku band search for term

The Ku band is the 12–18 GHz portion of the electromagnetic spectrum in the microwave range of frequencies. This symbol refers to "K-under"—in other words, the band directly below the K-band. In radar applications, it ranges from 12-18 GHz according to the formal definition of radar frequency band nomenclature in IEEE Standard 521-2002. Ku band is primarily used for satellite communications, most notably for fixed and broadcast services, and for specific applications such as NASA's Tracking Data Relay Satellite used for both space shuttle and International Space Station (ISS) communications.

View Source: https://en.wikipedia.org/wiki/Ku_band

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