Modifications made to aerial group markings
Brian Butterworth published on UK Free TV Back in March 2009, I added in coloured bars to to show the Aerial groups associated with each of the UHF broadcast frequencies.
I had taken a somewhat "absolute" view of the groups, following the "official" allocations:
In response to the possibilities of three new multiplexes, I have now introduced a more sophisticated version of the colour bars, where frequencies that are out of group, but still provide some signal are indicated with a lighter shade of the group's colour:
This follows the "ITC reference" values that Ofcom and Arqiva use:
Hopefully you will find this useful.
All questions
In this section
Thursday, 29 September 2011
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Steve P4:19 PM
So - "A lighter shade of pale" ?
Can you add something to explain why an ae directed (I think) at Winter Hill NNE gets 27 but neither 24 nor 31 from the Wrekin?
(not a serious question! - I assume it's just that at the angle some elements are suitably spaced.
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Mike Dimmick4:55 PM
Steve P: The Wrekin no longer transmits on C24 or C31. SDN moved to C41 yesterday morning. Mux A stopped using C24 at switchover, taking over C31 from Mux 2.
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Steve P7:43 PM
MD - Thanks. Is it all over now?
I have gone satellite on the two main tvs so it is only the rarely used bedroom set that is on Freesat - with the wrong ae!
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Steve P9:00 PM
I meant "all over for The Wrekin"
I saw you mention deleting Wrekin B - is it deaded?
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Steve P: Yes, The Wrekin now broadcasts six multiplexes on one set of channels, so the "B" is no longer required - The Wrekin B closed TV transmitter | ukfree.tv - independent free digital TV advice
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Saturday, 1 October 2011
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Des Collier1:37 PM
Briantist-nifty table!!,hope it explains that having the proper aerial & group is important.
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Sunday, 2 October 2011
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sara bazeley4:40 PM
Bradford-on-avon
We have been able to receive digital broadcasts until this morning at about 7.30. We were asked to retune shortly after then and can receive nothing since then. I have attempted to retune several times since then and have had no joy. The reception had been improved after 28th Sept. so we were pleased. We are feeling much less pleased at the moment. Nothing seems to have changed with our aerial could you have an explanation. please
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sara's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
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Steve P5:09 PM
Wrexham
Which transmitter are you using?
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Steve's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
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