maritime frequency band

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• Maritime Communications Reference Guide — Introduction/Purpose This guide is designed to describe the characteristics, use and recognition of Maritime Communication Systems and their components. It is not intended to be an exhaustive engineering design manual, rather, its utility is… …   Wikipedia

• Maritime Broadband — Type LLC Industry Maritime Communications Satellite Communications Telecommunications Founder(s) Mary Ellen Kramer Zevi Kramer …   Wikipedia

• Maritime safety information — is information that is broadcast to mariners by official agencies for their safety. Maritime safety messages consist of messages such as weather warning, warnings about dangers to navigation, failure of navigation devices. These messages are… …   Wikipedia

• Maritime mobile amateur radio — An emergency portable boat radio transceiver, Museal ship S/S Sołdek in Gdańsk, Poland Most countries amateur radio licences allow licensed operators to install and use radio transmission equipment while at sea. Such operation is known as… …   Wikipedia

• Very 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 …   Wikipedia

• Citizens' 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 …   Wikipedia

• Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …   Wikipedia

• Global Maritime Distress Safety System — The Global Maritime Distress and Safety System (GMDSS) is an internationally agreed upon set of safety procedures, types of equipment, and communication protocols used to increase safety and make it easier to rescue distressed ships, boats and… …   Wikipedia

• X band — The X band is part of the microwave region of the electromagnetic spectrum. Its frequency range is from 7 to 12.5 GHz. The 10.7 12.5 GHz portion overlaps the Ku band. The term is also used informally to refer to the extended AM broadcast band.… …   Wikipedia

• Sea-based X-band Radar — is a floating, self propelled, mobile radar station designed to operate in high winds and heavy seas. It is part of the United States Government s Ballistic Missile Defense System.The Sea Based X Band Radar is mounted on a 5th generation… …   Wikipedia

• 60-meter band — The 60 meters (5 MHz) band is a relatively new (2002) amateur radio band allocation and only available in a small number of countries such as the United States, United Kingdom, Norway, Finland and Iceland. In most countries, the allocation is… …   Wikipedia