[linux-dvb] Re: cant tune to to 205500000 Hz (nova-t)

[Matthew Walker <matthew@walker.wattle.id.au>]

On Sunday, August 31, 2003, at 09:08  PM, David Collett wrote:
> Hi all,
> I have a nova-t dvb card which works perfectly in windows.
> However under linux, I can tune to every station except one.
>
> I am in Canberra, Australia and I can't tune to the ABC.
> ABC broadcasts on channel VHF "9A" which is apparently 205500kHz.
>
> Can anyone think of a reason why this would not work? What does the 'A'
> mean anyway? All the other channels are on a whole numbers, and they
> seem to work fine.
The likely problem you are having is that Australian digital channels 
can also transmit at an offset of ±125 kHz from the centre frequency. 
If you try tuning 205625 and 205375 kHz one of those will likely work.

> Other details of the network here are:
>
> Bandwidth: 7MHz
>       QAM: 64
>      Mode: 8kHz
> Hierarchy: NONE
> Inversion: OFF
>
> The entry I have in my channels.conf file is:
> ABC:205500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_2_3:QAM_64: \
> TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:263:512:
 All the other parameters look fine.

Matthew


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