null at sgtwilko
Aug 10, 2012, 9:55 AM
Post #7 of 11
On 09/08/2012 19:32, Robert Longbottom wrote:
> On 09/08/2012 17:36, Ian Wilkinson wrote:
>> On 08/08/2012 18:04, Robert Longbottom wrote:
>>> On 7 Aug 2012, at 08:43 PM, Ian Wilkinson <null [at] sgtwilko>
>>>> Is anyone else having issues receiving the channel 4Seven on Freesat?
>>>> The channel tunes in fine, but after a second or two the picture
>>>> up. It then stabilises for a few seconds then breaks up again.
>>>> I'm running Mythbuntu 10.04, 0.24-fixes, on an ION board with a TBS
>>> Yes, I see exactly the same thing. I've just tried to find 4seven on
>>> my set top box but it seems I don't have it tuned in despite having
>>> done a full rescan last weekend. I wondered if it was a general
>>> issue with signal strength. I'll try to tune it in tomorrow maybe
>>> and see if it works on there.
>>> All my other sat channels work fine though, so I can't really
>>> believe it is a signal issue.
>> Hi Rob,
>> From my checking in my Myth DB, it would seem like it's on the same Mux
>> (is it a Mux when it's from satellite?) as channel 4 HD which I receive
>> fine (apart from lip sync being ever so slightly out). LyngSat and King
>> of Sat also agree and the settings they're showing match my Myth DB.
>> Are you also on 0.24-fixes?
> I'm using v0.25.1-58-g1d41f74
> dtv_multiplex contains this data (used for 4seven and for C4HD)
> *************************** 1. row ***************************
> mplexid: 44
> sourceid: 1
> transportid: 2068
> networkid: 2
> frequency: 11126000
> inversion: a
> symbolrate: 22000000
> fec: 2/3
> polarity: v
> modulation: 8psk
> bandwidth: NULL
> lp_code_rate: NULL
> transmission_mode: NULL
> guard_interval: NULL
> visible: 0
> constellation: NULL
> hierarchy: NULL
> hp_code_rate: NULL
> mod_sys: DVB-S
> rolloff: NULL
> sistandard: dvb
> serviceversion: 13
> updatetimestamp: 2011-11-23 20:08:50
> According to lynsat, the fex should be 5/6, so I changed that, but it
> hasn't made any difference. I still get picture breakup. In fact it
> seems a bit worse since I changed the fec....
> For some reason I can't get my STB to tune in any TV channels on that
> transponder - it's not HD capable, but I'd still expect it to pickup
> C4HD works fine (before and after changing the fec).
> Most odd.
I had thought this Mux was DVB-S2, but both LyngSat and King of Sat
disagree, so I'm also stumped as to why your STB won't tune it in.
Maybe there is something wrong with the transmitted data.
I will check these against my settings when I get home.
It would be interesting to compare these to a working setup.
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