Army amateur radio system

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• Military Auxiliary Radio System — Abbreviation MARS Motto Proud, Professional, and Ready Formation November, 1948 …   Wikipedia

• Military Affiliate Radio System — infobox Organization name = Military Affiliate Radio System image border = size = 200px caption = msize = mcaption = abbreviation = MARS motto = Proud, Professional, and Ready formation = November, 1948 extinction = type = status = purpose =… …   Wikipedia

• Amateur Radio Emergency Service — infobox Organization name = Amateur Radio Emergency Service image border = size = 125px caption = msize = 125px mcaption = abbreviation = ARES motto = formation = extinction = type = Non profit organization status = purpose = Emergency response… …   Wikipedia

• Amateur radio emergency communications — In times of crisis and natural disasters, Amateur radio is often used as a means of emergency communication when wireline, cell phones and other conventional means of communications fail. Unlike commercial systems, Amateur radio is not as… …   Wikipedia

• Military Affiliate Radio System — A program conducted by the Departments of the Army, Navy, and Air Force in which amateur radio stations and operators participate in and contribute to the mission of providing auxiliary and emergency communications on a local, national, or… …   Military dictionary

• 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

• Radio Amateur Civil Emergency Service — infobox Organization name = Radio Amateur Civil Emergency Service image border = size = 169px caption = msize = mcaption = abbreviation = RACES motto = Emergency Communications Through Radio Amateur Operators formation = 1952 extinction = type =… …   Wikipedia

• Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter …   Wikipedia

• radio — noun ADJECTIVE ▪ car ▪ He was singing along with the car radio. ▪ CB, hand held, portable, transistor, two way ▪ …   Collocations dictionary

• Software-defined radio — A Software Defined Radio (SDR) system is a radio communication system where components that have typically been implemented in hardware (i.e. mixers, filters, amplifiers, modulators/demodulators, detectors. etc.) are instead implemented using… …   Wikipedia

• Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …   Wikipedia