Re: General approach to scanning for DVB-C and DVB-S

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On Fri, Sep 01, 2006 at 01:52:32AM +0200, Robert Schlabbach wrote:
 
> Now with an 8MHz channel, the specified Nyquist roll-off of 0,15 limits the
> symbol rate to a maximum of 6956 kbaud. Other symbol rates I know of are
> 6900 kbaud (leaves some frequency margin between channels) and 6875 kbaud
> (a simple division of the 27500 kbaud of the DVB-S transponders which are
> fed into the cable network).

That's what I thought until a few days ago... Then someone sent me the list
for the Swiss Telekabel:

http://www.telekabel.ch/03/h0301.php

They use half channels with 3.45MBit/s and also some off-raster channels
(505 instead 506MHz). I have no clue why they are doing that...
-- 
         Georg Acher, acher@xxxxxxxxx         
         http://www.lrr.in.tum.de/~acher
         "Oh no, not again !" The bowl of petunias          

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