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Radio transmitter with a label indicating it will identify any transmisssions from it as coming from "PF7297" using the ATIS protocol [1] The Automatic Transmitter Identification System (ATIS) is a marine VHF radio system used and mandated on navigable inland waterways in Europe for identifying the ship or vessel that made a radio transmission.
The VHF Data Link or VHF Digital Link (VDL) is a means of sending information between aircraft and ground stations (and in the case of VDL Mode 4, other aircraft) over VHF. Aeronautical VHF data links use the band 117.975–137 MHz assigned by the International Telecommunication Union to Aeronautical mobile (R) service .
AIS-SART was added to Global Maritime Distress Safety System regulations effective January 1, 2010. [22] AIS-SARTs have been available on the market since at least 2009. [23] Recent regulations have mandated the installation of AIS systems on all Safety Of Life At Sea (SOLAS) vessels and vessels over 300 tons. [24] Accident investigation
An amateur radio installation on a 28' yacht, including 100W HF transceiver with microphone, manual antenna tuner, and morse key. Maritime mobile amateur radio is an amateur radio transmission license that allows maritime operators to install and use radio while they operating at sea. The call sign of operators is extended by adding the suffix ...
The system is compatible with all current U.S. and allied VHF-frequency modulation (FM) radios in the SC, nonsecure mode. The SINCGARS operates on any of 2320 channels between 30 and 88 megahertz (MHz) with a channel separation of 25 kilohertz (kHz).
BT Airwave was part of the BT Wireless division which was spun off from BT Group in 2002 to ultimately become part of O2 [1] and became Airwave O2 Limited, [6] commonly known as O2 Airwave. [7] In April 2007, Airwave was acquired by two Macquarie Group investment funds, Macquarie European Infrastructure Fund II (MEIF II) and Macquarie CPPIB ...
The aircraft emergency frequency (also known in the USA as Guard) is a frequency used on the aircraft band reserved for emergency communications for aircraft in distress.The frequencies are 121.5 MHz for civilian, also known as International Air Distress (IAD), International Aeronautical Emergency Frequency, [1] or VHF Guard, [1] and 243.0 MHz—the second harmonic of VHF guard—for military ...
Bowman is the name of the tactical communications system used by the British Armed Forces.. The Bowman C4I system consists of a range of HF radio, VHF radio and UHF radio sets designed to provide secure integrated voice, data services to dismounted soldiers, individual vehicles and command HQs up to Division level.