33-centimeter band — 33 Centimeters is an amateur radio band. It ranges from 902 to 928 MHz and is unique to ITU Region 2. The 33 centimeter band is part of the UHF spectrum, and is primarily used for very local communications as opposed to bands lower in… … Wikipedia
70-centimeter band — 70 centimeters is a common amateur radio (ham) band in the UHF spectrum. The exact amateur frequency allocations varies regionally. In the US and Australia the band ranges from 420 to 450 MHz with some geographical limitations; in Canada, the… … Wikipedia
23-centimeter band — 23 centimeters is a common amateur radio band located in the UHF spectrum between 1240 and 1300 MHz.Most all modes of communication used in amateur radio can be found in the 23 cm band. Some of the more common modes include FM voice, Packet, as… … Wikipedia
1.25-meter band — The 1.25 meter band is a portion of the VHF radio spectrum allocated for amateur radio use in ITU Region 2, comprising frequencies from 222 MHz to 225 MHz in the United States (with the addition of 219–220 MHz on a limited, secondary basis) and… … Wikipedia
Amateur television — Fast scan redirects here. For the ultrasound assessment used in trauma, see Focused assessment with sonography for trauma. Amateur television (ATV) is the transmission of Broadcast quality video and audio over the wide range of frequencies of… … Wikipedia
Super high frequency — (or SHF) refers to radio frequencies (RF) in the range of 3 GHz and 30 GHz. Also known as the centimeter band or centimeter wave as the wavelengths range from ten to one centimeters.DescriptionThe International Telecommunication Union (ITU), an… … Wikipedia
Cavity magnetron — Magnetron with section removed (magnet is not shown) … Wikipedia
Combined Array for Research in Millimeter-wave Astronomy — The Combined Array for Research in Millimeter wave Astronomy (CARMA) is an astronomical instrument comprising 23 radio telescopes. These telescopes form an astronomical interferometer where all the signals are combined in a purpose built computer … Wikipedia
P-12 radar — P 12 Spoon Rest A operating in Somalia Country of origin … Wikipedia
Weather radar — in Norman, Oklahoma with rainshaft … Wikipedia
