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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.
Test cards typically contain a set of patterns to enable television cameras and receivers to be adjusted to show the picture correctly (see SMPTE color bars).Most modern test cards include a set of calibrated color bars which will produce a characteristic pattern of "dot landings" on a vectorscope, allowing chroma and tint to be precisely adjusted between generations of videotape or network feeds.
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.
Launched in 1981 as the Electronic Program Guide, then became the Prevue Guide, then modified slightly into Prevue Channel. Purchased by TV Guide in 1999 and renamed TV Guide Channel and then became the TV Guide Network in 2007, and then shortened to TVGN in 2013, as of January 14, 2015, it is now Pop. Sci-Fi Channel NBCUniversal
A coaxial cable used to carry cable television onto subscribers' premises A set-top box, an electronic device which cable subscribers use to connect the cable signal to their television sets. Presented unit is a Cisco RNG200N for QAM digital cable television system used in North America.
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 ...
In television broadcasting, VIT signals (vertical interval test signals) are a group of test signals inserted in the composite video signal. These signals are used to weight [1] the transmission characteristics of the system between the test generator and the output of the demodulator, where the system includes the microwave links, or TVROs as well as the TV transmitters and the transposers.
In the 1990s, cable providers began to invest heavily in this new multi-channel digital TV technology to expand the number of channels and services available to subscribers. Increased competition and programming choices from direct-broadcast satellite services such as DirecTV , Dish Network , and PrimeStar caused cable providers to seek new ...