Large community antenna system

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A large community antenna system (GGA) is an antenna system with cable network distribution that collects the radio and TV signals centrally for several groups of houses up to several localities and distributes them via a cable network. The frequencies are converted, i.e. TV stations are assigned to other frequency channels so that no interference should occur with the local reception. While a community antenna system (GA) in hotels or blocks of flats has up to a few hundred participants, large community antenna systems are intended for several hundred subscriber connections and objects that are further apart. In a large community antenna system, the signals are fed to the cable television at the head-end station.

Large community antenna system was also the usual name until the 1970s / 1980s, when, like a house antenna, the usual analogue terrestrial television signal was distributed by small businesses, clubs or communities. This was done partly to compensate for poor local reception, partly to receive programs from nearby foreign countries with somewhat greater technical effort. The transitions in the technology used between the large community system and the cable network are fluid. The designation GGA has been retained in numerous organizational designations , especially in Switzerland, which entered cable television early on, also in Austria and Germany.

Today, many former large community antenna systems are integrated into the cable television network and are also operated by cable television providers.

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