The scrambling system employed tor the BBC-TV Europe and the
now detunct Premiere channel on the Intelsat-VF11 TV satellite is
generally classitied as a low-Ievel video encoding scheme. Based on
controlled interterence in the video spectrum it is, however, not so
simple to deteat with traditional filter designs that have already
caused much hair-pulling and teeth-gnashing among technically
inclined dish owners. The decoder discussed here leaves traditional
filters tor what they are, yet ofters a pertectly decoded picture at a
cost of £25 or so.
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