Hei!
Andrew Waldram wrote:
Hi tried your patch here in the UK
Massive improvement mostly works (megasky)
3 Of the Crystal Palace transponders I cant get a lock, but can in
windows and my Artec does in Linux
481833330 = Works
561833330 = Works
529833330 = No Lock
578166670 = Works
537833330 = No Lock
505833330 = No Lock
Interestingly its all the transponders that carry BBC Video channels
which I seem to recall transmit at a higher bitrate than the other
channels.
Thanks for the feedback. Seems like new 125kHz stepping is working
correctly and this one locking problem comes from different modulation
(QAM16/QAM64)(?) schemes.
Any further testing help I can provide??
Could you take some usbsnoops that I can see what is set differently in
working and not working cases?
Download sniffer and tuning tool from:
http://benoit.papillault.free.fr/stats/get.php?location=../usbsnoop/sniff-bin-1.8.zip
http://nate.dynalias.net/ScanChannelsBDA/files/ScanChannelsBDA-2.0.0.7.zip
- extract both packages
- ensure that usb-stick is not plugged
- run SniffUSB.exe
- in sniffer; install filter to PC-DTV Receiver
- start/run windows command prompt (cmd.exe)
- plug usb-stick
- run ScanChannelsBDA.exe from command prompt
- select 4. from menu (Signal Statistics)
- enter frequency in kHz (eg. 505833 for 505833333)
- enter bandwidth 8 for 8MHz etc.
- wait for results
- stop tuning after 2-3 report lines by pressing any key
- close tuning app (choise 10.)
- unplug usb-stick
- take usbsnoop.log from c:\windows\
- take ScanChannelsBDA.log (from directory where ScanChannelsBDA.exe
is run)
- rename logs or directory that contains logs and take new logs from
another frequency
- compress files and email to me or put files in web-share
Regards Antti
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