establishing radio contact

См. также в других словарях:

• Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …   Wikipedia

• Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …   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

• Amateur radio operating award — An amateur radio operating award is earned by an amateur radio operator for establishing two way communication (or working ) with other amateur radio stations. Awards are sponsored by national amateur radio societies, radio enthusiast magazines,… …   Wikipedia

• police — /peuh lees /, n., v., policed, policing. n. 1. Also called police force. an organized civil force for maintaining order, preventing and detecting crime, and enforcing the laws. 2. (used with a pl. v.) members of such a force: Several police are… …   Universalium

• Duquesne Spy Ring — The 33 convicted members of the Duquesne spy ring (FBI print). The Duquesne Spy Ring is the largest espionage case in United States history that ended in convictions. A total of thirty three members of a German espionage network headed by… …   Wikipedia

• Che Guevara — Che redirects here. For other uses, see Che (disambiguation). Che Guevara …   Wikipedia

• United States Naval Special Warfare Development Group — Naval Special Warfare Development Group …   Wikipedia

• Marshall Plan — Labeling used on aid packages The Marshall Plan (officially the European Recovery Program, ERP) was the large scale American program to aid Europe where the United States gave monetary support to help rebuild European economies after the end of… …   Wikipedia

• List of Metal Gear characters — The Metal Gear franchise features a large number of fictional characters. The series canon comprises (not including re releases and remakes) Metal Gear (MG) and Metal Gear 2: Solid Snake (MG2) for the MSX2, Metal Gear Solid (MGS) for the… …   Wikipedia

• Military history of France during World War II — History of France …   Wikipedia