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C50 (706.0MHz) after switchover

The map below shows all the transmitters in the UK using C50 once digtial switchover is complete. Please click the icon to see the coverage area, and double click for more information.

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What do the map symbols mean?

 tx_LNGv,  COM4/SDN multiplex,  COM4/SDN multiplex,  COM6/ArqivaB multiplex,  PSB1/BBCA multiplex,  PSB1/BBCA multiplex,  PSB2/Digital 3+4 multiplex,  PSB2/Digital 3+4 multiplex,  PSB3/BBCB/Freeview HD multiplex,  PSB3/BBCB/Freeview HD multiplex,  Saorview multiplex 1.

Before switchover

Click on a selection to see the use of the frequency use before switchover:

C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 C65 C66 C67 C68

Switchover complete

Click on a selection to see the use of the frequency use when switchover is complete:

C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 * * * * * *

Thursday, 13 January 2011
9:10 PM

Purchased 2 TV's with hd freeveiw both worked great till September 2010 had no freeveiw since, retuned every week New Ariel with power amp still nothing in hd what a waiste of money

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IAN HEMMING's 3 posts GB flag
Friday, 14 January 2011

8:42 AM

IAN HEMMING: Yes, it does sound like you have wasted your money on a "new ariel (sic) with power amp".

A rooftop aerial is required for reliable Freeview reception. You have not provided a postcode so I can't really say more.

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Briantist's 38,910 posts GB flag
Saturday, 30 April 2011
12:55 AM

Why can i not receive Freeview HD in Sutton Coldfield.

I have a new Samsung TV with built in Freeview and Freeview HD receiver. I have called out an Ariel Engineer who changed the Multiplex unit. He then said that the signal is weak being transmitted out of the Sutton Coldfield Transmitter.

Is this true ?
and why can i not get any Freeview HD channels

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Paul's 2 posts GB flag
Wednesday, 4 May 2011

8:13 AM

Paul: Freeview HD comes at low power from Lichfield, not Sutton Coldfield.

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Briantist's 38,910 posts GB flag
Friday, 14 October 2011
Anne White
9:54 AM

Hi, Please help an old gal that doesn't understand these things. When manually keying in Channel 50 into Freeview I get a black screen. Hannington is our transmitter and I see from your map that it appears Hannington are still only transmitting Analogue for Channel 50, is this correct? I have had the aerial man round, who says our aerial is perfect, but he can replace it if we wish. I don't want to replace my aerial if it is not necessary. So please let me know if Hannington is transmitting in Freeview for Channel 50, and if not, when are they likely to do so. Many thanks

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Anne White's 1 post GB flag
Mike Dimmick

2:57 PM

Anne White: There are two meanings of 'channel'. One - which this map relates to - is the frequency that the TV service or multiplex is broadcast on. That's the 'UHF Channel' - around here we usually prefix it with a C, e.g. C50. The other is the number you enter to watch a particular service. That's the 'logical channel number'. It's a suggestion that the box is supposed to follow, but if there's already a service stored at that location, it can put the service elsewhere.

With the analogue system, one analogue TV service was transmitted in one UHF channel, so the name 'channel' started to be used for the TV service. Digital services are carried in a 'multiplex', a combination of multiple services in a stream of data, to share some of the overheads of digital encoding and error correction. One UHF channel contains an entire multiplex, which carries anywhere from six to twelve services.

Hannington broadcasts Multiplex 1, which carries the majority of the BBC's digital services, on UHF channel 50. The exceptions are BBC Four, CBeebies and the radio services.

Logical channel number 50 is BBC One HD, at sites that are broadcasting the HD multiplex. This is transmitted in a slightly different way to the other services, which requires 'Freeview HD'-branded equipment. The HD multiplex starts up at the second stage of switchover, except for a few locations that were particularly important to the advertisers (London, Birmingham, Leeds, Newcastle, Glasgow and Edinburgh), where an early service started in 2010. Hannington will start transmitting it from 22 February 2012.

One of the early HD services is from the Crystal Palace transmitter which serves the London area. Some people in the Hannington analogue coverage area can already get HD from Crystal Palace, with the right aerial pointed in the correct direction. I'm not sure it's worth changing with only a few months to go, though.

You will need to retune your Freeview box or TV on 8 February and 22 February. The analogue services shut down, and the high-power digital services take over the old analogue UHF channels. These channels have much less interference than the channels currently used for digital services. Indeed Hannington's digital broadcasts are currently heavily restricted to the east, because the current channels clash with analogue broadcasts from the Guildford transmitter.

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Mike Dimmick's 2,486 posts GB flag
Wednesday, 16 November 2011
Stuart Tier
5:07 PM

I live in SO30 4AY and receive signal from Hannington. I know this is a fringe area but Rowridge is not in line of sight due to a hill. About 2 weeks ago channels in the group BBC1, 2, 3 etc started pixelating and have now completely gone off. Before this time we had a good signal on these channels on our three tvs with assorted integrated tuners, set top boxes and a PVR. Have retuned primary set today and now cannot access these channels at all. Other channel groups are performing as before with "expected" breakup and pixelation due to a large local tree. Any ideas gratefully received.

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Stuart Tier's 5 posts GB flag
Stuart's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
Friday, 18 November 2011

7:09 AM

Stuart Tier: You should have excellent reception of all services from Hannington. You are not in a "fringe area", but within the main service area.

I would suggest you have your rooftop aerial and cables checked out.

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Briantist's 38,910 posts GB flag
Thursday, 13 September 2012
simon court
9:56 PM

we have lost BBC 1 and BBC2 from free view how do we get them back?

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simon court's 1 post GB flag
Tuesday, 25 September 2012
8:04 PM

we are pensioners in an area that switches to digital tomorrow a person from the help scheme arrived today but found we would not receive digital even with a new aerial and has recommended freesat we have never been able to receive sky so will this be possible

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michelle's 1 post GB flag
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