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E and M signaling is a type of supervisory line signaling that uses DC signals on separate leads, called the "E" lead and "M" lead, traditionally used in the telecommunications industry between telephone switches. Various mnemonic names have been used to memorize these letters, such as Earth and Magneto or Ear and Mouth, the most common variation.
WINK-FM. / 26.8002778°N 81.7633333°W / 26.8002778; -81.7633333. WINK-FM (96.9 MHz) is a commercial radio station in Fort Myers, Florida, United States. The station airs an adult contemporary radio format. It is owned by the Fort Myers Broadcasting Company, locally controlled by the McBride Family, which also owns CBS Network affiliate ...
Radar tracker. A radar tracker is a component of a radar system, or an associated command and control (C2) system, that associates consecutive radar observations of the same target into tracks. It is particularly useful when the radar system is reporting data from several different targets or when it is necessary to combine the data from ...
Doppler radio direction finding, also known as Doppler DF, is a radio direction finding method that generates accurate bearing information with a minimum of electronics. It is best suited to VHF and UHF frequencies and takes only a short time to indicate a direction. This makes it suitable for measuring the location of the vast majority of ...
Doppler effect. The emitted signal toward the car is reflected back with a variation of frequency that depends on the speed away/toward the radar (160 km/h). This is only a component of the real speed (170 km/h). The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842, is the difference ...
Direction finding antenna near the city of Lucerne, Switzerland. Direction finding ( DF ), or radio direction finding ( RDF ), is the use of radio waves to determine the direction to a radio source. The source may be a cooperating radio transmitter or may be an inadvertant source, a naturally-occurring radio source, or an illicit or enemy system.
WINK-TV (channel 11) is a television station licensed to Fort Myers, Florida, United States, serving as the CBS affiliate for Southwest Florida. It is owned by the McBride family and their Fort Myers Broadcasting Company, making it one of a handful of TV stations today to have locally-based ownership.
Wink pulsing. Winking is a telephony signaling technique used both in connection with DC signaling on a trunk, and with indicator lamps on a key telephone . In telephone switching systems, wink pulsing is recurring pulsing in which the off condition is relatively short compared to the on condition. In wink start trunks, the exchange at the ...
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