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Local TV on Freeview "radiation patterns" update

The local TV services on Freeview that will be starting within the next 12 months are designed to have their output restricted to local areas. To do this, the transmissions are only output in certain directions.

The local TV services on Freeview that will be starting within
published on UK Free TV

This is an update on the process of adding the coverage maps for these services to UK Free TV.

The following diagrams are the input diagrams - taken from the Ofcom licence documents.

These diagrams show where the output will be at the full power (the green line is on the outside circle), no power (the line is in the centre) and where it is restricted (the line is between the two).



These will shortly be used to create the coverage maps.



Help with TV/radio stations?
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What has happened to TCM?2
How do I receive all of uktv+ channels (gold, style, food etc) using my Freeview3
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In this section
Is Freeview ready for the first local television service tomorrow? 1
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Where can you see where Freeview local stations will be picked up? UK Free TV3
Want more local TV details? See UK Free TV4
Want to run a phase two local TV station? You can apply now5
Local TV award to Bay TV Liverpool6

Comments
Monday, 5 August 2013
C
Charles Stuart
8:50 AM Bristol

Most of these seem pretty much as expected but what is the Croydon radiation pattern? That hasn't previously been mentioned, as far as I know.

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Charles Stuart's 152 posts Silver Silver GB
Charles's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
Briantist
8:57 AM

Charles Stuart: Yes... and the Black Hill "Edinburgh Petal" has gone missing...

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Briantist's 38,745 posts Owner Owner GB
M
Mike Dimmick
5:22 PM

Charles Stuart: The Croydon transmitter will provide coverage to the south-east, while Crystal Palace's service won't cover that area. Presumably that's easier to build than an antenna array serving the whole area off Crystal Palace itself - it may be down to some other tenants on CP being in the way, given that the Croydon aerial is so much further down the mast.

The Croydon and Crystal Palace services have been assigned the same frequency, so they will be running as a single frequency network.

There was certainly criticism from the candidates for the London service that it wouldn't actually cover London all that well, this may be the best compromise that Comux and Arqiva could come up with.

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Mike Dimmick's 2,486 posts Platinum Platinum GB
M
Mike Dimmick
5:25 PM

Briantist: I've just noticed that the Mux L table lists aerial height above ground, not height above ordnance datum as used in the other multiplex licences.

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Mike Dimmick's 2,486 posts Platinum Platinum GB
C
Charles Stuart
6:12 PM Bristol

So does the map on the Crystal Palace page include the contribution from Croydon? And should there be a map on the Croydon page to show its contribution to the total coverage of the local MUX?

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Charles Stuart's 152 posts Silver Silver GB
Charles's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage

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