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Removal of Channel 5 and B transmitter mapping artefacts

For some reason this has been on the fix list for a long time and I never got around to sorting it out.

For some reason this has been on the fix list for a long time a
published on UK Free TV

Due to the way the database that generates the mapping on UK Free TV was constructed, there was a problem with some of the maps that I should have fixed and didn't.

There were a number of places where a high power Channel 5 analogue transmitter was located alongside another transmitter that carried the other analogue channels (and Freeview) - or there was a "B" transmitter on the site to provide a secondary service area - and this would remove genuine coverage area from the correct transmitter.

Four examples of fixed coverage areas for Pontop Pike, Rosemarkie, Crystal Palace and The Wrekin are show in the diagram below:

Pontop Pike, Rosemarkie, Crystal Palace, The Wrekin

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Wednesday, 5 October 2011

6:27 PM

Just out of interest whats going to happen to the Litchfied transmitter now its no longer needed for TV??

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Ian's 497 posts GB flag
Ian's: mapI's Freeview map terrainI's terrain plot wavesI's frequency data I's Freeview Detailed Coverage

9:36 PM

Ian: The Lichfield mast is in use for FM and DAB radio. It is also a proposed site for the Derbyshire DAB multiplex, if this ever takes to the air!

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KMJ,Derby's 1,811 posts GB flag

11:15 PM

Ian: Sitefinder Mobile Phone Base Station Database shows there is Orange GSM, 3 UMTS, T-MOBILE GSM, Airwave TETRA, Vodafone GSM, Vodafone UMTS and O2 GSM on site as well as Lichfield DAB transmitter | - independent free digital TV advice and Lichfield analogue radio transmitter | - independent free digital TV advice .

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Briantist's 38,899 posts GB flag
Friday, 14 October 2011
chris leet
7:40 AM

I watch Sky News on channel 82.The audio is very often out of sync with the picture .
Can anything be done to put this right?
It's very annoying

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chris leet's 1 post GB flag
chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Mike Dimmick

3:41 PM

Briantist: You still have 'Huntshaw Cross B' in the system - the Huntshaw Cross region page puts this on top of Huntshaw Cross, so a click shows a green coverage area and a double-click takes you to the Huntshaw Cross B page.

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Mike Dimmick's 2,486 posts GB flag
Saturday, 15 October 2011

11:34 AM

Mike Dimmick: How did I miss that one? I have removed it from the database, so it should not longer appear.

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Briantist's 38,899 posts GB flag

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