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A broadcast signal intrusion is the hijacking of broadcast signals of radio, television stations, cable television broadcast feeds or satellite signals without permission or licence. Hijacking incidents have involved local TV and radio stations as well as cable and national networks.
The prevention of piracy on cable and satellite networks has been one of the main factors in the development of Pay TV encryption systems. The early cable-based Pay TV networks used no security. This led to problems with people connecting to the network without paying. Consequently, some methods were developed to frustrate these self-connectors.
MET TV - USA MET Network November 23, 2023 Launched on 28 December 1966. National Jewish Television Network: Joel Levitch Basic cable channel broadcasting from New York City. [7] Existed in the 1980s until at least some point in the 2000s. Network 1: Network Telephone Services Channel which allowed viewer participation through 800 and 900 phone ...
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The Cable Television Consumer Protection and Competition Act of 1992 (also known as the 1992 Cable Act) is a United States federal law which required cable television systems to carry most local broadcast television channels and prohibited cable operators from charging local broadcasters to carry their signal. In adopting the 1992 Cable Act ...
Other ways of cable theft were using a cable TV converter box (also known as a descrambler or "black box") to steal all channels and decrypt pay-per-view events, whereas a normal converter would only decrypt the ones paid for by the customer. The cable companies could send an electronic signal, called a "bullet", that would render illegal ...
Most cable companies require a set-top box (cable converter box) or a slot on one's TV set for conditional access module cards [2] to view their cable channels, even on newer televisions with digital cable QAM tuners, because most digital cable channels are now encrypted, or scrambled, to reduce cable service theft. A cable from the jack in the ...
It is possible to also get a bad picture if the signal strength of the TV transmitter is too high. An attenuator inserted in the antenna lead-in wire may be used if the television receiver displays signs of overload in the RF front end. Strong out-of-band signals may also affect television reception and may require band-pass filters to reduce ...