Re : No lock possible at some DVB-S2 channels with TT S2-3200/linux

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On 05/12/2008 02:42:43 PM, Ales Jurik wrote:
> Hi,
> 
> after Telenor switched from Thor-2 to Thor-5 (0.8W) no lock is
> possible with 
> multiproto(-plus) and TT S2-3200 at these transponders:
> 
> TV4 
> HD;Telenor:11341:vC34M5O35S1:S0.8W:25000:512:0;641=sve:0:B00:1405:70:42:0
> CANAL+ FILM 
> HD;Telenor:11421:hC34M5O35S1:S0.8W:25000:513:644=eng;645=eng:0:B00:3306:70:14:0
> Nat Geo 
> HD;Telenor:11434:vC34M5O35S1:S0.8W:25000:512:640=eng:0:B00:3806:70:38:0
> 
> I'm 100% sure that this problem corresponds with switch from Thor-2 
> to
> Thor-5 
> as it appeared exactly at times when switch was announced by Telenor. 
> 
> Regarding to official document 
> http://www.telenorsbc.com/upload/PDFS/DVB-S2%20Transponder%20FEC%
> 20Change_280208.pdf
> 
> two changes were implemented - FEC from 2/3 to 3/4 and switch off
> Pilot.
> 
> On the same HW under Windows it is running ok.
> 
> If somebody could point me to any direction I'll glad to cooperate in 
> debugging.
> 

Perhaps you can try to increase the freq by 4Mhz, that's what I did 
here (DVB-S though) and I have a perfect picture since then.
HTH
Bye
Manu



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