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 22/04/2024 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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Monday, 11 December 2023
Transmitter engineering
10:33 AM
10:33 AM
Crystal Palace transmitter - Crystal Palace transmitter: Possible effect on TV reception week commencing 11/12/2023 Pixelation or flickering on some or all channels [DUK]
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Monday, 8 January 2024
Transmitter engineering
10:47 AM
10:47 AM
Crystal Palace transmitter - Crystal Palace transmitter: Possible effect on TV reception week commencing 08/01/2024 Pixelation or flickering on some or all channels [DUK]
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Monday, 15 January 2024
Transmitter engineering
5:10 AM
5:10 AM
Crystal Palace transmitter - Crystal Palace transmitter: Possible effect on TV reception week commencing 15/01/2024 Pixelation or flickering on some or all channels [DUK]
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Monday, 22 January 2024
Transmitter engineering
5:11 AM
5:11 AM
Crystal Palace transmitter - Crystal Palace transmitter: Possible effect on TV reception week commencing 22/01/2024 Pixelation or flickering on some or all channels [DUK]
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Wednesday, 24 January 2024
A
A Wilton.7:07 PM
Why are you regularly switching off the HD TV signal? This has been happening for some time now and I live in the Blackheath area of southeast London.
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S
StevensOnln17:16 PM
A Wilton.: Firstly, nobody on this website has anything to do with any broadcaster or transmitter company. Secondly, nobody is switching off the HD signal, certainly not on a regular basis. There is engineering work currently listed for Crystal Palace, but given that it serves nearly 5 million homes and you're the only one reporting a problem, that would suggest the problem is at your end somewhere rather than the transmitter. Start by checking for any loose or damages cables or connections behind the TV - a small fault might not make any difference most of the time as the signal is so strong, but when transmitter power is reduced during engineering work it may be enough for signal to be lost.
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C
Chris.SE11:30 PM
A Wilton.:
You may not be in a location that has the best of reception (of the HD mux).
As StevensOnln1 has said, in normal circumstances (when the transmitter isn't listed for Planned Engineering) you may not notice a problem, and don't assume that if you have a faulty connection somewhere it would affect all the multiplexes because such faults can create standing waves in the cable which will be frequency dependant.
If you provide a full postcode, we can check your predicted reception.
What sort of aerial do you have and where is it located?
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Monday, 29 January 2024
Transmitter engineering
5:11 AM
5:11 AM
Crystal Palace transmitter - Crystal Palace transmitter: Possible effect on TV reception week commencing 29/01/2024 Pixelation or flickering on some or all channels [DUK]
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Saturday, 3 February 2024
P
PETER MARTIN8:04 PM
A Wilton.: On the 8th of January ALL terrestrial channels except for channel 69 on my smart tv became un-watchable with drop-outs and severe pixilation. I did a retune in late 2023 and got 100% signal strength on all main channels (according to my tv) and reception was perfect in HD as well, now its only 10-20% I went on this site and read the notifications for works being conducted on Hemel Hempstead and Crystal Palace (this is what my roof aerial points at).
My aerial is a Antiference 16 bay high gain together with a Antiference Mast head Amplifier. I have checked the
signal strength at all outlets and it is good.
I notice looking at the map here regarding Crystal Palace the date of the problem only shows the current date every week.
My question :- When is Crystal Palace transmitter going back to full strength?
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Sunday, 4 February 2024
C
Chris.SE3:09 AM
PETER MARTIN:
It's not clear from the way you commented, whether it's just the HD mux that's 10-20% or all of them?
You say you've checked the strength at all outlets - how did you do this? What have you got that splits the signal to the various outlets?
Does your set give Quality figures? If so, what have you got for those on each of the UHF multiplexes?
If it's just the HD mux at all outlets and the others are good, you may have marginal reception of the HD mux on UHF C30 - do check that you are still correctly tuned to C30.
As you haven't given a full postcode, we can't check your predicted reception from Crystal Palace, or whether you'd get better reception from an alternative transmitter (eg. Hemel Hempstead).
You mention TV Channel 69, that's LEGEND XTRA which is carried on the Local multiplex. What signal strength do you get for that?
It's also possible you may be suffering some interference, maybe from a new/upgraded mobile phone mast, again a full postcode might enable a check on that.
Planned Engineering is always listed as "Week commencing ..(date)" They don't say which days/times or how long.
I'm afraid Arqiva never give details of the work taking place or how long it's going to take especially as a lot of it may be weather dependant. What we do know is that a lot of main transmitters and some of the larger relays have had significant Planned Engineering over the last 12 months or so. We know that extensive work is involved ensuring that the mast structures remain in good condition and safe, such work involves working at height on stay cables and such like, often close to the antenna when there'd be need to operate at reduced power or have brief interruptions. It's worth remembering that it's a good 10 years since DSO when much important similar work would likely have been carried out, although some may also have been done during 800MHz and 700MHz clearance when major antenna work would have been carried out at many transmitters.
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