BBC M25 DAB project - new transmitter for High Wycombe area on air today
Good news for Buckinghamshire DAB users, there is now a BBC National DAB transmitter at Chepping Wycombe.
This is part of the BBC project to provide 99% coverage of the BBC DAB service within the M25, the orbital motorway around London, before the end of 2011.
This new DAB transmitter provides coverage into High Wycombe and Marlow for the first time and will help to improve coverage through Amersham, Maidenhead, Slough, Windsor, and the Chalfonts. It adds 72,000 people to the coverage of the network and improves reception for another 400,000 people.
The first transmitter in the London scheme was Wrotham, which launched in December, and the third will be Epping Green (for Stevenage and Welwyn Garden City) due on air later in the spring.
Martin: I'm pleased to hear that.
The commercial DAB operators are not part of the BBC schedule, so I can't say when you will be able to receive those services.
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8:06 AM
High Wycombe
Ahhh, that might explain it. The radio station I listen to and love is Planet Rock which obviously is not part of the BBC schedule. It seems that the BBC service is wiping out the smaller stations close to the transmitter!
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The's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
The Pan: Given how DAB works, that is utterly impossible The most likely explanation is that Digital One do not have a multiplex in your area.
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8:36 AM
High Wycombe
I hear what you are saying. It is just very weird that the radio station was fine until this TX went online.
I did a test last weekend and drove past the TX twice on the M40 once listening to BBC and once listening to Planet Rock.
The BBC was rock solid and full signal and Planet Rock had no signal. Before this TX was updated both signals were fine.
The signal seems to go when about 300m away from the TX.
Am i right in thinking that there are different carrier frequencies for different services?
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The's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
The Pan: Yes, the BBC uses 12B (225.648 MHz), Digital One is 11D (222.064 MHz).
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7:48 PM
Nottingham
"It seems that the BBC service is wiping out the smaller stations close to the transmitter!" - not that unusual - the launch of NOW Nottingham (12C) wiped out the BBC National DAB (12B) service here in Nottingham for a few years - it also marginally affected MXR Yorkshire (error free to 10% error but not audibly)).
1 was living less than 1km from the transmitter with clear line of site to it (I was able to get NOW Nottingham at maximum signal strength (and error free) with no aerial attached to my tuner, but I needed an amplified aerial for the BBC multiplex (the postcode checkers at the time showed I was only served by Digital 1, although I could get both Yorkshire multiplexes, NOW Leicester and BBC as I was at the top of a hill)
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Kev's: mapK's Freeview map terrainK's terrain plot wavesK's frequency data K's Freeview Detailed Coverage
KevL The BBC does not have local radio multiplexes, BBC local stations are carried on the commercial local radio multiplexes.
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Thanks for the news about the forthcoming transmitter in Hertfordshire which has been so hard to discover, I now learn it's called 'Epping Green'. I wonder what stations it will cover. Pls remove the references to Radio Suffolk for this and the Hemel transmitter
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Robert: Thanks. There is a new Radio Transmitters section under development that will have the correct local radio information.
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7:26 PM
Brian Wright: Do you know when the DAB Epping Green DAB transmitter is likely to go live, DAB in my area is nearly impossible (or the stations I want to listen to), I am in Stevenage.
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