[mythtv-users] Missing channels from Astra 28.2E

[Chris Dennis]

Another Sillyname wrote:
> On 9 May 2010 18:48, Chris Dennis <cgdennis at btinternet.com> wrote:
>> Hello MythTV people
>>
>> This is a problem which I've had for a year or more, but I haven't had time
>> until now to investigate it fully.
>>
>> Basically, my list of channels is incomplete, whether I use MythTV's
>> scanning, or DVB-utils' 'scan' command.
>>
>> I'm using a Hauppauge Nova-S-Plus card, which shows up in lspci as:
>>  00:08.2 Multimedia controller: Conexant Systems, Inc. CX23880/1/2/3
>>   PCI Video and Audio Decoder [MPEG Port] (rev 05)
>>
>> The output of this command
>>
>>  scan -a 0 -x -1 -t 7 -U -o zap -l UNIVERSAL ./Astra-28.2E
>>
>> when ./Astra-28.2E contains this
>>
>>  S 10773000 H 22000000 5/6
>>
>> is this (heavily edited)
>>
>>  scanning ./Astra-28.2E
>>  using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
>>  initial transponder 10773000 H 22000000 5
>>  >>> tune to: 10773:h:0:22000
>>  DVB-S IF freq is 1023000
>>  0x0000 0x18af: pmt_pid 0x0000 BSkyB -- BBC THREE (not running)
>>  0x0000 0x18bb: pmt_pid 0x0101 BSkyB -- BBC 1 NI (running)
>>  0x0000 0x18bf: pmt_pid 0x010b BSkyB -- FIVE (running)
>>  0x0000 0x189d: pmt_pid 0x0100 BSkyB -- BBC 1 London (running)
>>  0x0000 0x189e: pmt_pid 0x0102 BSkyB -- BBC 2 England (running)
>>  0x0000 0x18a2: pmt_pid 0x0104 BSkyB -- ETV (running)
>>  0x0000 0x18a5: pmt_pid 0x0000 BSkyB -- BBC TES 2 (not running)
>>  0x0000 0x18ab: pmt_pid 0x0103 BSkyB -- BBC TES 3 (running)
>>  0x0000 0x18ac: pmt_pid 0x0000 BSkyB -- BBC FOUR (not running)
>>  0x0000 0x18ad: pmt_pid 0x0106 BSkyB -- CBBC Channel (running)
>>  0x0000 0x18ae: pmt_pid 0x0105 BSkyB -- CBeebies (running)
>>  Network Name 'ASTRA'
>>  ... [lots of lines snipped]
>>  >>> tune to: 11953:h:0:27500 (tuning failed)
>>  DVB-S IF freq is 1353500
>>  WARNING: >>> tuning failed!!!
>>  ... [lots more lines snipped]
>>
>> In other words, it finds some channels and not others.  Specifically, the
>> information on pages such as
>>  http://www.lyngsat.com/astra2b.html
>> and
>>  http://www.digital-kaos.co.uk/forums/f39/bbc-1-2-missing-40088/
>> suggests that BBC Radio 4 (and others) should be available on
>> 11953:h:027500, but I've never been able to get it.
>>
>> I can get other radio stations, such as BBC R5L on 10802:h:0:22000.
>>
>> Has anyone else experienced this?
>>
>> Is it likely to be the fault of the tuner card, or the LNB, or the direction
>> the dish is pointing in?
>>
>> cheers
>>
>> Chris
>> --
>> Chris Dennis                                  cgdennis at btinternet.com
>> Fordingbridge, Hampshire, UK
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
> Try the following....
> 
> 11817 freq V polarity 27500 symrate
> 11953 freq H polarity 27500 symrate
> 
> See what you get

I got this:

scanning ./AstraTest
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
initial transponder 11817000 V 27500000 2
initial transponder 11953000 H 27500000 2
 >>> tune to: 11817:v:0:27500
DVB-S IF freq is 1217000
WARNING: >>> tuning failed!!!
 >>> tune to: 11817:v:0:27500 (tuning failed)
DVB-S IF freq is 1217000
WARNING: >>> tuning failed!!!
 >>> tune to: 11953:h:0:27500
DVB-S IF freq is 1353000
WARNING: >>> tuning failed!!!
 >>> tune to: 11953:h:0:27500 (tuning failed)
DVB-S IF freq is 1353000
WARNING: >>> tuning failed!!!
ERROR: initial tuning failed
dumping lists (0 services)
Done.

-- 
Chris Dennis                                  cgdennis at btinternet.com
Fordingbridge, Hampshire, UK