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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Saturday, 20 August 2011
B
Brian King10:31 PM
London
So, the Sony TV (latest model) is less sensitive than the tuner inside a Sony DVR from about 5 years ago? Seems odd. I'm sure the flyleads are good quality. I'm checking with the others in the house (we share an antenna)and there have been reports of poor reception lately, often ascribed to the weather.
Is it a definite, that the power will be increased when analogue is switched off?
Brian
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Brian's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
Sunday, 21 August 2011
J
Joanna Tate10:29 AM
London
My aerial is in the loft and I have noticed that over the past 3 Saturdays at about the same time 10.30-11.00pm there is severe pixelation on all channels. Re-tuning does not help. I am on the Crystal Palace transmitter and I see that they are doing engineering work but would this be done at the same time every week?
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Joanna's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
K
KMJ,Derby7:52 PM
Brian King: The power of each mux is raised to 200kW at DSO. At present the HD service is only 10kW and the other muxes are 20kW.
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K
KMJ,Derby8:10 PM
Joanna Tate: It is likely that you are receiving interference from faulty equipment that is turned on at that time. Does this only happen on Saturdays, or is there any problem on other days at that or any other regular time? A central heating boiler coming on (to give hot water for a bath) or a security light that is in use for that half hour are two possibilities.
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Monday, 22 August 2011
B
Brian9:53 AM
JB38 and KMJ, many thanks for that. I may well get hold of a cheap booster to use until the DSO in April. If my (creaky, from 50 yrs ago...) maths is right, the increase in power at DSO amounts to 10dB. Right?
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Brian: Yes, see "Comparison of analogue and digital signal levels" - pre-DSO is -17dB post-DSO is -7dB compared to analogue levels, that's 10dB.
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Thursday, 25 August 2011
C
Chris Low1:10 PM
Romford
RM3 9DE Roof Mounted
I have purchased a new Samsung HD BluRay/PVR and cannot receive any freeview channels on it despite having no problems receiving them on my 5year old Panasonic Freeview TV.
Having read some of the other comments it does appear that older sets may have a better sensitivity and that as I am probably due a new aerial it would be the way to go.
I currently receive my signal from Crystal Palace & would appreciate your advice on what type I need to buy (ie Log Periodic or Wideband) & size.
Many Thanks
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Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
M
Mike Dimmick11:42 PM
Chris Low: For now I'd go with an 18-element Group A Yagi. The prediction suggests - because it's below 100% with DUK's assumptions - that a log-periodic probably wouldn't have enough gain.
You do not need a wideband for Crystal Palace either now or after switchover, it is unlikely that any new services would start up after switchover that are outside this group. Widebands have to be larger to provide the same amount of gain as a grouped aerial, particularly in Group A.
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Friday, 26 August 2011
J
jb388:40 AM
Chris Low: If you can receive Freeview perfectly OK on the Panasonic but not on the new Samsung (on the same aerial) then a simple booster is all that should be necessary to correct this, as changing your aerial would be like taking a sledge hammer to crack a nut, to use the expression!
Have a look on e-bay under "TV amplifiers" or "boosters", something shown as about 10db gain would suffice so long as its shown as having two outlets, one lead to each device.
(Maybe you could indicate the model number of your new purchase)
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J
jb389:58 AM
Chris Low: You should also be aware that Mux 1/2 (BBC & ITV) presently indicate as being variable in reception at your location, and with this continuing until April 18th next year, so even although taking the predictors element of inaccuracy into account good reception isn't guaranteed on these two multiplex channels no matter what you might do.
That said though, the booster I mentioned should certainly get over the problem you mentioned "if" its caused by a signal just under its receiving threshold, although I am a bit suspicious of you not getting anything and that's why I requested its model number.
Just for a matter of interest, boosters are generally always better as near to the aerial as you can get them "if" excessively long downleads are involved, (loft mounting perfectly OK though) although based on what you report anywhere in the vicinity of the TV or PVR being used should be OK if a weak signal is the reason for your problem, and not caused by a fault in your new purchase.
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