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nunhead_man
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London TV Region digital switchover

Post by nunhead_man »

Hi All

Given we now have the London dates do we need a London area changeover summary of what to do "sticky" ?

Dates are;

Stage 1 - 4/4/2012
Stage 2 - 18/4/2012

Happy new year to all if the new year is not just a fond (or less fond javascript:emoticon(':(') ) memory
Warmly

Andy


[F5810, TS On, F/W: MS6 Recommended F/W 12/9/2009
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juwlz
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Post by juwlz »

Is London any different to any other region where it's already happened? If not, just search for old threads rather than reinventing the wheel.

Julie
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nunhead_man
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Post by nunhead_man »

Sure - not so much for me but to help others

I've seen the postings about rebooting etc - could collect them here if would help?
Warmly

Andy


[F5810, TS On, F/W: MS6 Recommended F/W 12/9/2009
TAPs: PcControl B1.4; EPG2MEI v0.96; MyStuff 6.6; Font Manager 1.0d; Extend v1.7; SecCache (UK) v0.4; EIT Sub (Game) v0.6; MHEG On/Off A3; MyInfo B5.6; PruneEPG 1.0;
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andyfras
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Post by andyfras »

Those of us on Hannington are next I believe. I'm looking forward to it, as we might get a decent signal at last. We're theoretically in a 'no Freeview reception' area here in Fleet (unless you've got the highest gain aerial, group B filter and top-quality mast-head amplifier).
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andyfras
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Post by andyfras »

Hannington has started the switchover today.

Sadly my BBC A mux quality has dropped below 90; much less than the others which are at, or close to, 100. I'm not sure whether this will improve before the next phase of the switchover in two weeks.
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mstombs
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Post by mstombs »

How cruel - what a thing for them to do to someone who has saved so many Toppies from the scrap heap so so many others can watch Freeview!

The good news for you is that you are probably getting interference into BBC A on C45 from Mux C / ARQ A which is too close on C44+ just for the next couple of weeks.

But then so will everybody else in the same area in this crazy slow-motion DSO process this country is going through. Expect howls of rage in April when all the London users go through the process!

I don't rate your chances of building a selective analogue filter but I know you are good with electronics...
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Post by andyfras »

mstombs wrote:...you are probably getting interference into BBC A on C45 from Mux C / ARQ A which is too close on C44+...
In that case, I would expect that the new 'stronger' BBC A would be upsetting Mux C, but it's not.
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mstombs
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Post by mstombs »

Agree - so maybe they'll fix it soon - very different transmission standards 8k and 2/3 supposed to be more robust, but maybe 16QAM wins?:-

C45 64QAM 2/3 8k DVB-T 50 kiloWatts
C44+ 16QAM 3/4 2k DVB-T 20 kiloWatts

perhaps 8k needs wider frequency slot?
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Post by andyfras »

It seems that there is a problem with the Hannington transmitter:

http://www.ukfree.tv/txdetail.php?a=SU527568
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andyfras
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Post by andyfras »

They seem to have fixed it.

I am now getting 100 signal quality and 75 signal level on BBC A from Hannington.
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Bizman
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Post by Bizman »

Hannington does seem to be rather feeble on power, my electric kettle uses nearly that much! :D
Once analogue is off in the surrounding areas they will probably up the power. Mendip will be pushing out 100kW after switchover and although I am miles (km) away from the transmitter, I get 100% quality and signal strength on the present 100KW muxes and 99/100% on the others.
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andyfras
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Post by andyfras »

I spoke too soon; it's gone again, totally this time.

Apparently Arqiva got until 6pm to complete the switchover. I've no idea what would happen if they don't; maybe they get fined?
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andyfras
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Post by andyfras »

Now it's back with 100% level and quality - that's more like it!

I've never seen 100% signal level here before. :D
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mstombs
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Post by mstombs »

Suggestion elsewhere it was a panel phasing error, giving directional variation - so they had to swap wire around or shorten something to fix? Guess we will never no for sure, just like the rumour on a nearby TX that the fire was caused by a spanner left somewhere in the works (more likely loose connection IMHO)?
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Post by gomezz »

The Beckley, Oxford fire?
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