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Sparklies is a form of interference onanaloguesatellite television transmissions.
Sparklies are black or white 'hard' interference dots (as opposed to the 'soft' interference patterns ofterrestrial television), caused either by too weak or too strong a signal. When within the satellite's ratedreception footprint, sparklies are most likely to be caused by a misaligned dish, orLNBs which are too high- or too low-gain for the dish and receiver.
The term "sparklies" is used byBritish Sky Broadcasting (BSkyB) and a number of hardware makers includingAmstrad andPace.
Sparklies do not occur ondigital satellite systems; similar problems with digital signals causeMPEGartifacts.
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