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#8357
Mon 30 Aug 2004 05:58:PM
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Joined: Aug 2004
Posts: 5
Space Trainee
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OP
Space Trainee
Joined: Aug 2004
Posts: 5 |
From the LyngSat website, there is a bunch of channels broadcasting on only one frequency. But how does a receiver filter out unwanted channels and receive the one he wants??
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#8358
Tue 31 Aug 2004 07:52:AM
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Joined: Apr 2002
Posts: 108
Astronaut Level 3
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Astronaut Level 3
Joined: Apr 2002
Posts: 108 |
each channel has it`s own video & audio pid.
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#8359
Tue 31 Aug 2004 01:05:AM
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Joined: Jul 2004
Posts: 25
Astronaut Level 1
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Astronaut Level 1
Joined: Jul 2004
Posts: 25 |
Yep, it's a bit like TCP/IP, each packet of data is addressed, it just picks out the ones it wants. There are several other ways of sharing one transmitter. CDMA,TDMA,PDMA,DAMA,FDM.<br /><br />On a different note,<br />In the case of different frequencies on the same transponder, it's just like an FM radio. If you think of the whole FM band as one transponder, then the radio just tunes to the signal it wants.
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