[linux-dvb] Re: Woe with budget-ci that lacks ci

[Andrew de Quincey <adq_dvb@lidskialf.net>]

[...]

> 1) Tuning seems to drop away after a while:
>
> # dvbtune -f 1152000 -s 22500 -p v -m
> [...]
> Signal=51201, Verror=7424, SNR=51546dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=51211, Verror=4864, SNR=52083dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=51516, Verror=3072, SNR=52035dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=51517, Verror=8704, SNR=52119dB, BlockErrors=0, (S|C|V|)
> Signal=51516, Verror=5120, SNR=51537dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=51517, Verror=5120, SNR=52068dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=51207, Verror=6144, SNR=52017dB, BlockErrors=0, (S|)
> Signal=51516, Verror=3328, SNR=51975dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=51205, Verror=9472, SNR=51906dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=51513, Verror=3072, SNR=52143dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=50910, Verror=4352, SNR=52086dB, BlockErrors=0, (S|L|C|V|SY|)
> Signal=45421, Verror=64512, SNR=32520dB, BlockErrors=0, (S|)
> Signal=2831, Verror=65344, SNR=32991dB, BlockErrors=0, ()
> Signal=45435, Verror=65480, SNR=43008dB, BlockErrors=0, (S|C|V|)
> Signal=43582, Verror=65504, SNR=38976dB, BlockErrors=0, (S|C|)
> Signal=50412, Verror=14848, SNR=51498dB, BlockErrors=0, (S|L|C|V|SY|)
>
> Takes about 15 seconds or so.

[...]

>  # 12.456 w/11.3 delta, Optus B1
>  dvbtune -f 1152000 -p v -s 22500 
>  # TVNZ Wellington TV2
>  dvbstream -o 519 657 | mplayer - 

[...]

> 1) Signal. There's a set-top box attached to the same feed from the dish,
> no problems.
> 2) Tuner is physically bung. Installed Windows on the same hardware, used
> card-provided tuning/playback software, no problems at all.
>
> What other info would be needed to help identify this problem?

Aha. Vertically polarised signal. Are you using a multiswitch? Older stv0299 
cards have problems with certain multiswitches and vertically polarised 
signals.

If you are, what is the serial number on the sticker on the back? (not the MAC 
address BTW)