[opendtv] Re: UK: Millions Retune Boxes for HD
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
- Date: Thu, 1 Oct 2009 15:15:18 -0500
Prinyar Boon wrote:
> The purpose of the retune day is to clear UK DTT Mux B
> which will then be used for the rollout of HD on UK
> terrestrial TV
>
> The modulation standard for the new HD service will be
> DVB-T2, although iirc the final choice on the mode has
> not been made. The plan is to have around 50% coverage
> in time for the world cup next summer. All this is
> going on at the same time as the conversion from
> analogue terrestrial to digital.
Thanks for the first-hand update, Prin. I've read in some blogs that London
will get an early taste of HD even before digital switch-over, since DSO won't
happen until 2012 in London, so they will get a "low power" Mux B from Crystal
Palace at first. Something like 2 December 2009. Not sure what they call low
power and high power, but I'm sure it's all low power than what we have on this
side.
> In some areas, the initial rollout of the DTT HD
> service will occur before he switch to high power DTT,
> so in those areas [eg London] there will be 5 high
> power analogue, 6 low power DTT + the HD service. In
> these areas, the 12 services will be merged into the
> final 6 high power DTT. 5 of which will be DVB-T1 SD,
> and the 6th DVB-T2 HD
Will be interesting to see how well DVB-T2 works at low power, i.e. how many
reception complaints there will be. Over here, when analog went off, I got more
digital channels right off the bat, although I also initially lost a few in all
the fuss (mostly due to them going low power VHF, which won't be a problem
there).
I also think I have noticed a reception pattern. I get the most glitches, from
the more marginal multiplexes, during the month of June and maybe even the
first half of July. My guess is that this is when the trees have all their
leaves fully grown, and the leaves have the most moisture. After that,
reception improves again, as the leaves start to dry out some, and eventually
fall off. Just a guess. Seems to have happened every year since I got DTT.
Probably also affected analog, but it was harder to notice.
Bert
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