Full Freeview on the Crystal Palace (Greater London, England) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 51.424,-0.076 or 51°25'26"N 0°4'32"W |  | SE19 1UE |
The symbol shows the location of the Crystal Palace (Greater London, England) transmitter which serves 4,490,000 homes. The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.
Are there any planned engineering works or unexpected transmitter faults on the Crystal Palace (Greater London, England) mast?
Crystal Palace transmitter - Crystal Palace transmitter: Possible effect on TV reception week commencing 11/11/2024 Pixelation or flickering on some or all channels 
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
Which Freeview channels does the Crystal Palace transmitter broadcast?
If you have any kind of Freeview fault, follow this Freeview reset procedure first.Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
Which BBC and ITV regional news can I watch from the Crystal Palace transmitter?
BBC London 4.9m homes 18.4%
from London W1A 1AA, 12km north-northwest (335°)
to BBC London region - 55 masts.
ITV London News 4.9m homes 18.4%
from London WC1X 8XZ, 11km north-northwest (345°)
to ITV London region - 55 masts.
Are there any self-help relays?
| Charlton Athletic | Transposer | Redeveloped north stand Charlton Athletic Football Club | 130 homes |
| Deptford | Transposer | south-east London | 100 homes |
| Greenford | Transposer | 12 km N Heathrow Airport | 203 homes |
| Hendon | Transposer | Graham Park estate | 50 homes |
| White City | Transposer | 9 km W central London | 80 homes |
How will the Crystal Palace (Greater London, England) transmission frequencies change over time?
| 1950s-80s | 1984-97 | 1997-98 | 1998-2012 | 2012-13 | 21 Mar 2018 | ||||
| VHF | A K T | A K T | A K T | A K T | W T | ||||
| C1 | BBCtvwaves | ||||||||
| C22 | ArqA | ArqA | |||||||
| C23 | ITVwaves | ITVwaves | ITVwaves | BBCA | BBCA | ||||
| C25 | SDN | SDN | |||||||
| C26 | BBC1waves | BBC1waves | BBC1waves | D3+4 | D3+4 | ||||
| C28 | -ArqB | ArqB | |||||||
| C29 | LW | ||||||||
| C30 | C4waves | C4waves | C4waves | -BBCB | BBCB | ||||
| C33 | BBC2waves | BBC2waves | BBC2waves | com7 | |||||
| C35 | com8 | ||||||||
| C55tv_off | com7tv_off | ||||||||
| C56tv_off | COM8tv_off |
tv_off Being removed from Freeview (for 5G use) after November 2020 / June 2022 - more
Table shows multiplexes names see this article;
green background for transmission frequencies
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W T
waves denotes analogue; digital switchover was 4 Apr 12 and 18 Apr 12.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 1000kW | |
| SDN, ARQA, ARQB, BBCA, D3+4, BBCB | (-7dB) 200kW | |
| com7 | (-13.7dB) 43.1kW | |
| com8 | (-14dB) 39.8kW | |
| Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*, LW | (-17dB) 20kW |
Local transmitter maps
Crystal Palace Freeview Crystal Palace DAB Crystal Palace AM/FM Crystal Palace TV region BBC London LondonWhich companies have run the Channel 3 services in the Crystal Palace transmitter area
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Wednesday, 11 April 2012
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Mike Dimmick2:37 PM
David Kanareck: It may be a shortage of channel memory, where the left-over information from before switchover is not being cleared out, so the new information is only stored in temporary memory rather than permanent.
Others have reported success (on other equipment) by doing a full first-time installation with the aerial unplugged, to clear everything out, then plugging the aerial back in and scanning again. Or, retune with the aerial unplugged, then plug in and manually scan the most important multiplexes first (though a simple lowest-to-highest scan would find the ITV/C4/C5 multiplex first, then the BBC channels). If the TV allows you to delete channels, alternatively try scanning the multiplexes with the most channels first, and deleting the channels you don't want (e.g. start with Mux D on C29 and delete all the shopping and adult channels).
Guides specific to your equipment may be available at TV Re-tune productmanuals .
19PFL isn't specific enough to identify your TV. 19 is simply the screen size (19") and PFL indicates it's a Philips TV. The important numbers and letters are *after* the PFL.
If you're unlucky, you may find it's not compatible with 8K mode, or has a problem with some channels being in 8K mode and some in 2K mode. I even heard of some equipment that had different memory for the two modes and it wouldn't always clear both of them on a normal rescan!
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Linda4:57 PM
Nothing changed when it happened, i was watching ITV1 one minute, the next the display was saying no signal. Cables and connections inhouse are fine. If something happened externally there's no way of knowing.
With the analogue indoors aerial I only get BBC1 & BBC2 (which are both clear and NOT snowy) and ITV, C4 and C5 say no signal and the screen is black.
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B
Big Mart9:22 PM
London
jb38: I don't understand mux channel changes or one disappearing !!
I know last week, I did an autoscan and it didn't work (aerial still plugged in), I wasn't receiving all the channels. I then did a manufacturer's reset and everything was sorted! So would it be quicker to do that first time?
(This time I have made a note of my settings for picture and sound as they all get reset and it takes ages to get them right again!).
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Big's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
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Michael Brockwell9:43 PM
Banstead
My postcode is SM7 3JT. Have retuned all tv's and boxes in the house with two showing reduced signal strength on mux 23, but sufficient to receive without breakup. One TV though a Samsung LE22B350 has no signal on any BBC channel, despite numerous re-tunes. Any ideas?
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Michael's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Michael Brockwell: Perhaps this could be the issue: Freeview signals: too much of a good thing is bad for you | ukfree.tv - independent free digital TV advice
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J
jb3811:15 PM
Big Mart: You ask if you would require to carry out a manufacturers reset next week when the next re-tune is required and I in effect said no, although not as many words!, as if you carried out a re-tune "with the aerial unplugged" that would delete anything stored.
The reason I specifically did not mention manufacturers reset is because as you have found out for yourself all of your personal settings will be lost, and this puts some people to a lot of bother "if" they are unaware how to remake all the personal settings.
In other words, the procedure I mentioned in most cases is all that's required, its only if some odd problem happens to crop up then its time for the full reset to be carried out.
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Thursday, 12 April 2012
M
Michael Brockwell7:18 PM
Banstead
Michael Brockwell:
Thanks Dave. I used an old indoor aerial which produced fine pictures on the full power multiplex. A fair bit of breakup on the remaining channels but until Wednesday they are still on low power. Presumably they will be ok after then.
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Michael's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Michael Brockwell: If the problem is signal overload, then a perminant solution may be to install an attenuator inline with the lead from the roof-top aerial. Attenuators are available from eBay for a few pounds (other sources are available).
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S
Steve Brown8:55 PM
Kingston Upon Thames
I have a Sharp LC-32WD1E purchased in 2007 and live KT2 5JH. Since the first stage of the digital switchover I have (a) retuned, (b) reset to factory defaults (c) unplugged the TV for 30 seconds then plugged back in, unplugged the aerial and done a channel search - resulting in no stations found, and (d) repeated the channel search with the aerial reconnected.
I cannot pick up the multiplex group 1 (BBC1, BBC2, BBC3, etc). Can anyone help?
Thanks in advance,
Steve Brown
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Steve's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
Steve Brown: Try manually tuning to UHF channel 23 if the set allows. If it gives a signal strength/quality reading when you do this, see if it is there but very low.
If so, I wonder if it is signal overload. See here:
Freeview signals: too much of a good thing is bad for you | ukfree.tv - independent free digital TV advice
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