[linux-dvb] Mantis 1034 DVB-S Scanning Problem

Michel Verbraak michel at verbraak.org
Sat Dec 30 14:34:42 CET 2006


Michel Verbraak schreef:
> Manu Abraham schreef:
>> Michel Verbraak wrote:
>>   
>>> Manu Abraham schreef:
>>>     
>>>> Elmar Schmidt wrote:
>>>>   
>>>>       
>>>>> Hi,
>>>>> has anyone a workaround for the unscanable Transponders (for example on
>>>>> Astra 19.2E)?
>>>>>
>>>>> DVB works but I can't access all Transponders (I think they have
>>>>> analogue Channels). With Windows it works, so there is no SAT or Card
>>>>> Issue.
>>>>>
>>>>> I have posted a full scan Output in this Thread:
>>>>>
>>>>> http://linuxtv.org/pipermail/linux-dvb/2006-December/014720.html
>>>>>
>>>>>     
>>>>>         
>>>> Can you verify whether manually adding in the frequency (the hard way,
>>>> by hand) to your channels.conf and doing a szap gives you a FE_LOCK for
>>>> the frequency that cannot be scanned ?
>>>>
>>>> Trying to understand what's missing.
>>>>
>>>>
>>>> Manu
>>>>   
>>>>       
>>> Manu,
>>>
>>> I can confirm that when I enter a channel manually to my channels.conf
>>> file I do get a FE_LOCK with szap.
>>>
>>>     
>>
>> for those channels which don't otherwise are not seen in a scan ?
>>
>>   
>>> Output from szap:
>>> bash-3.1$ /data2/hg/dvb-apps/util/szap.old/szap -c Astra-19.2E.conf
>>> "Nederland1"
>>> reading channels from file 'Astra-19.2E.conf'
>>> zapping to 1 'Nederland1':
>>> sat 0, frequency = 12515 MHz H, symbolrate 22000000, vpid = 0x0205, apid
>>> = 0x0058 sid = 0x0fab
>>> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
>>> set to frequency 1915000status 00 | signal 0000 | snr 0008 | ber
>>> bfab5b38 | unc 0804c794 |
>>> status 14 | signal 0000 | snr 000f | ber bfab5b38 | unc 0804c794 |
>>> FE_HAS_LOCK
>>> status 14 | signal 0000 | snr 000f | ber bfab5b38 | unc 0804c794 |
>>> FE_HAS_LOCK
>>> status 14 | signal 0000 | snr 000f | ber bfab5b38 | unc 0804c794 |
>>> FE_HAS_LOCK
>>>
>>> Content of Astra-19.2E.conf (my channels.conf)
>>> Nederland1:12515:h:0:22000:517:88:4011
>>>
>>> Values for this channels were taken from
>>> http://nl.kingofsat.net/pos-19.2E.php.
>>>
>>> In the messages.log file I get the usual which ends with
>>> Dec 29 15:30:40 garfield kernel: mb86a16_set_fe: NO  -- SIGNAL
>>>
>>> I did a scan on multiple satellites with transponder lists from
>>> http://kingofsat.net. I will put up the results in the next couple of days.
>>>
>>>     
>>
>> Cool.
>>
>> Thanks,
>> Manu
>>   
> As promised.
> (Because the attachment was to big hereby a link to my test results 
> for now http://www.verbraak.org/scantest-vp1034.tar.gz)
>
> Examination of 5 Satellites: Thor 0.8W, Hotbird 13.0E, Astra1 19.2E, 
> Astra3 23.5E and Astra2 28.2E
> Files in the fullscan directory contain the scan results when the 
> corresponding transponder files are used. So these channels are found 
> on the different satellites on my system VP-1034 + Rotor (Palm sg 
> 2100A) + LNB (Smart TSX Titanium Edition NF 0.2dB)
> Files in the allchannels directory contain all the channels which 
> should be available on the satellite according to http://nl.kingofsat.net
> Files in the missing directory are the differences between fullscan 
> and allchannels.
> The *.freq-polar-sr files contain the uniq 
> frequency:polarization:symbolrate values per satellite.
>
> When I tried to szap for the missing channels I only saw FE_HAS_LOCK 
> until my machine locked up and my wife yelled out of the living why 
> her movie stopped playing (I was working on the mythbackend machine). 
> So I will retry this tomorrow when my wife is not watching.
>
> Hope this will help you.
>
> Regards,
>
> Michel
> ------------------------------------------------------------------------
>
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> linux-dvb at linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
And again as promised I did a szap on all the missing channels and 
channels found in a fullscan.
the file with the results is at 
http://www.verbraak.org/test-vp1034.tar.gz because it is to big to attach.

This time the szapping without a lock up of the machine. Strange!!

Regards,

Michel.
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