Question about DVB-SI tables (re: PAT/NIT table)

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sofakng

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Dec 5, 2006
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I'm not sure if this is the best place to ask this type of question but I'm learning about DVB-SI systems and I'm curious about something.

The ETSI specfication says that the PAT table contains the location of the Network Information Table (NIT).

Isn't the NIT always at a specific PID? Why would the PAT need to point to it?
 
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