digital-frequency meter
81Contesting — Champions of the 2002 World Radiosport Team Championship (WRTC), Helsinki, Finland. Photo: R. A. Wilson, N6TV Contesting (also known as radiosport) is a competitive activity pursued by amateur radio operators. In a contest, an amateur radio… …
82Frequenzband — Ein Frequenzband bezeichnet Frequenzbereiche, also Teilbereiche des elektromagnetischen Spektrums der zur technischen Kommunikation verwendeten elektromagnetischen Wellen. Aufteilungen nach Frequenz, Wellenlänge oder Nutzung sind üblich.… …
83Search for extraterrestrial intelligence — The search for extraterrestrial intelligence is sometimes abbreviated as SETI. For other uses, see SETI (disambiguation). Screen shot of the screensaver for SETI@home, a distributed computing project in which volunteers donate idle computer power …
84Rock Band — This article is about the video game series. For the first video game of the series, see Rock Band (video game). For the type of musical group, see Rock band. Rock Band Genres Rhythm game …
85D-STAR — This article is about the digital voice mode used in amateur radio. For the physical quantity, see Specific detectivity. For the concept in robotics, see D* search algorithm. For more details on this topic, see List of amateur radio modes. ICOM… …
86Antenna (radio) — Whip antenna on car …
87motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
88Network analyzer (electrical) — Not to be confused with packet analyzer or telecom network protocol analyzer. ZVA40 vector network analyser from Rohde Schwarz. A network analyzer is an instrument that measures the network parameters of electrical networks. Today, network… …
89NTSC — This article is about the television system. For the Indonesian government agency, see National Transportation Safety Committee. Television encoding systems by nation; countries using the NTSC system are shown in green. NTSC, named for the… …
90Amateur radio repeater — An amateur radio repeater is an electronic device that receives a weak or low level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation. Many repeaters are… …
