marine frequency band
1band — band1 /band/, n. 1. a company of persons or, sometimes, animals or things, joined, acting, or functioning together; aggregation; party; troop: a band of protesters. 2. Music. a. a group of instrumentalists playing music of a specialized type:… …
2Marine VHF radio — A standard handheld maritime VHF, mandatory on larger vessels under the GMDSS rules …
3Marine mammals and sonar — A Humpback whale Active sonar, the transmission equipment used on some ships to assist with navigation, has been suggested[1] to be detrimental to the health and livelihood of some marine animals, although the precise mechanisms for this are not… …
4Very high frequency — (VHF) is the radio frequency range from 30 MHz to 300 MHz. Frequencies immediately below VHF are denoted High frequency (HF), and the next higher frequencies are known as Ultra high frequency (UHF). The frequency allocation is done by ITU. Common …
5Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic …
6Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …
7High frequency — (HF) radio frequencies are between 3 and 30 MHz. Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters (ten to one hundred metres). Frequencies immediately below HF are denoted Medium frequency… …
8Low frequency — or LF refers to Radio Frequencies (RF) in the range of 30 kHz ndash;300 kHz. In Europe, and parts of Northern Africa and of Asia, part of the LF spectrum is used for AM broadcast service. In the western hemisphere, its main use is for aircraft… …
9United States Marine Corps Force Reconnaissance — Not to be confused with Marine Division Reconnaissance. Main article: United States Marine Air Ground Task Force Reconnaissance Marine Force Reconnaissance The insignia of Force Recon …
10Citizens Band radio in India — In India, Citizens Band (CB) is a system of short distance radio communications between individuals on a selection of 40 channels within the 27 MHz (11 metre) band. Individual licensing regulations are allowing owners to operate a… …
