* Re: UK Digital Switchover - w_scan results for Mendip transmitter
2011-10-10 17:49 ` UK Digital Switchover - w_scan results for Mendip transmitter Rupert Plumridge
@ 2011-10-10 18:42 ` Steve Kerrison
0 siblings, 0 replies; 2+ messages in thread
From: Steve Kerrison @ 2011-10-10 18:42 UTC (permalink / raw)
To: Rupert Plumridge; +Cc: linux-media
Hi Rupert,
It looks like you're picking up more than just Mendip there; Mendip only
has 6 muxes: http://www.ukfree.tv/txdetail.php?a=ST564488
Unless it's announcing other frequencies? I'll do a rescan in MythTV and
see what happens.
As the switchover progresses and transmit powers are increased, however,
some antennae will pick up signals from more than one transmitter. So we
should be careful not to assume that the muxes we see are necessarily
from the transmitter we think we're pointing at!
Cheers,
--
Steve Kerrison MEng Hons.
http://www.stevekerrison.com/
On Mon, 2011-10-10 at 18:49 +0100, Rupert Plumridge wrote:
> Hi
>
> As part of the UK's digital switchover, it seems some of the pre-set
> mux information is now out of date. I don't know the technicals here,
> but for example adding channels to tvheadend git version now fails as
> the mux information at my location is out of date.
>
> I used w_scan to check the current situaiton and it gave me the
> following for the Mendip Transmitter (since that is where my antennae
> is pointed):
>
> dumping lists (193 services)
> #------------------------------------------------------------------------------
> # file automatically generated by w_scan
> #
> #! <w_scan> 20101001 1 0 OFDM GB </w_scan>
> #------------------------------------------------------------------------------
> # location and provider: <UK - Mendip>
> # date (yyyy-mm-dd) : 2011-10-09
> # provided by (opt) : <prupert>
> #
> # T[2] <freq> <bw> <fec_hi> <fec_lo> <mod> <tm> <guard> <hi> [# comment]
> #------------------------------------------------------------------------------
> T 474000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 490000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 498000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 506000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 514000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 522000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 530000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 634167000 8MHz 2/3 NONE QAM64 8k 1/32 NONE # Wales
> T 698000000 8MHz 3/4 NONE QAM64 8k 1/32 NONE # Wales
> T 658000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE # Wales
> T 642167000 8MHz 2/3 NONE QAM64 8k 1/32 NONE
> T 666000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE
> T 650000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 690000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE # West
> T 794000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE # West
> T 738000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE # West
> T 722000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE # West
> T 754000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE
> T 706000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 730000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO # West
> T 762000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 786000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO
> T 842000000 8MHz AUTO AUTO AUTO AUTO AUTO AUTO # West
>
> The #West settings seem to work for me on tvheadend, ignore the #Wales
> ones, unless you want all the welsh channels, which you don't.
>
> Hope this is useful. It is all beyond me.
> Rupert
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