Simulcrypt on French packages

easysat

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I don't know if this is the best place to ask this question but here goes.

Why do Canal Satellite and TPS use both Mediaguard 2 and TPS crypt (Viaccess 1) on most of their channels? I thought Canal Satellite's subscribers had to have a Mediaguard receiver and point the dish at 19°E while TPS's used a Viaccess CA receiver pointed at 13°E. Presumably those who want both packages have to get a receiver with both CA systems and a dual LNB. If two CA's are used the channel must be doubling its encryption costs especially if they're as expensive as Sky's charges.
 

rolfw

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In most cases, providers who simulcrypt do so due to either inheriting a viewing audience or because they have upgraded their encryption, but a large proportion of their audience still have receivers only capable of decrypting the earlier version.
 
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