radiotelephone distress call

См. также в других словарях:

• distress signal — 1. a signal used, or designed to be used, by persons in peril, for the purpose of summoning aid, indicating their position, etc., as a radio code sign, aerial flare, flag hoist, or the like. Cf. distress call (def. 1). 2. an indication, esp. a… …   Universalium

• Distress radiobeacon — PLB redirects here. For other uses, see PLB (disambiguation). Emergency position indicating radio beacons or EPIRBs Distress radio beacons, also known as emergency beacons, ELT or EPIRB, are tracking transmitters which aid in the detection and… …   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

• Mayday — May•day [[t]ˈmeɪˌdeɪ[/t]] n. tgp an international radiotelephone distress call • Etymology: 1925–30; < F (venez) m aider (come) help me! …   From formal English to slang

• Pan-pan — A call of pan pan [http://www.tc.gc.ca/MarineSafety/TP/Tp9878/menu.htm#8 Safety and Distress Radiotelephone Procedures] ] means there is an emergency on board a boat, ship, aircraft or other vehicle but that, for the time being at least, there is …   Wikipedia

• Marine VHF radio — A standard handheld maritime VHF, mandatory on larger vessels under the GMDSS rules …   Wikipedia

• Voice procedure — includes various techniques used to clarify, simplify and standardize spoken communications over two way radios, in use by the military, in civil aviation, police and fire dispatching systems, citizens band radio (CB), etc. Voice procedure… …   Wikipedia

• Aircraft emergency frequency — The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft radio band reserved for emergency communications for aircraft in distress. The frequencies are 121.5 MHz for civilian, also known as International Air… …   Wikipedia

• France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …   Universalium

• Mobile telephony — Mobile phone tower Mobile telephony is the provision of telephone services to phones which may move around freely rather than stay fixed in one location. Mobile phones connect to a terrestrial cellular network of base stations (cell sites),… …   Wikipedia

• Text messaging — Texter redirects here. For the American surname, see Texter (surname). Txt msg redirects here. For the TV series, see Pop Up Video. A user typing a text message on an LG enV (VX9900) Text messaging, or texting, refers to the exchange of brief… …   Wikipedia