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 27/11/2023 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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Tuesday, 9 October 2018
Transmitter engineering
12:06 PM
12:06 PM
CRYSTAL PALACE transmitter - Freeview: BBC Digital TV Reduced Quality from 08:21 today to 08:26 today, HD Digital TV Reduced Quality from 08:21 today to 08:26 today. [BBC]
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Wednesday, 10 October 2018
Transmitter engineering
6:06 AM
6:06 AM
CRYSTAL PALACE transmitter - Freeview: BBC Digital TV Reduced Quality from 08:21 yesterday to 08:26 yesterday, HD Digital TV Reduced Quality from 08:21 yesterday to 08:26 yesterday. [BBC]
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Thursday, 11 October 2018
Transmitter engineering
6:06 AM
6:06 AM
CRYSTAL PALACE transmitter - Freeview: BBC Digital TV Reduced Quality from 08:21 on 09 Oct to 08:26 on 09 Oct, HD Digital TV Reduced Quality from 08:21 on 09 Oct to 08:26 on 09 Oct. [BBC]
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Sunday, 14 October 2018
M
Mr Naseem Shafi2:26 PM
Transmitter engineering: Channels on COM 6 are pixelated/sound breaks but all other channels are OK just the ones on COM6. Any ideas?
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Monday, 15 October 2018
MikeP
11:11 AM
11:11 AM
Naseem Shafi:
Please provide a full post code so that we can examine the reception conditions and predictions for your loocation. As there are no other reports of this problem with the ARQB service then it is likely a problem with your equipment, so please check all the aerial cables and connections. If there are coaxial plugs/sockets then unplug those and refit them. That will clear any corrosion/oxidation from the contacts and often clears the problem.
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M
Mr Naseem Shafi8:34 PM
Woking
Post code is GU22 8EY
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Mr's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Tuesday, 16 October 2018
MikeP
11:40 AM
11:40 AM
Naseem Shafi:
You are about 34 km from the Crystal Palace transmitter and the prediction is that you should get good and reliable reception of all the multiplexes available. There is a rise between you and the transmitter but that is unlikely to be the cause of your problems.
So it is likely that there is a poor connection in your aerial system. Check all the cables for any damage, check the aerial is pointi ng in the same direction, at a bearing of 68 degrees, as your neigh bours aerials. Then check for any poor connection by unplugging all the aerial plugs/sockets and refitting them (that is to remove any corrosion/oxidation from the contact surfaces) and ensure that the cable is fitted correctly and tightly in the coaxial plugs.
Then check that your TV is correctly tuned to the Crystal Palace signals on channels 23, 26, 30, 25, 22, 28, 55 and 56. The ARQB (called by some COM6) multiplex is on channel 28. Do that check using the manual tuning page of your TV (see the User Manual for how to access that) but DO NOT RETUNE unless any are tuned to the wrong channel. Use the channels listed above, taken from the Digital UK Coverage Checker for your location at Coverage Checker - Detailed View
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M
Mr Naseem Shafi8:46 PM
Thanks MikeP for the response. All available channels were fine and nothing been added or removed, just seems a bit strange just COM6 channels are affected. Will go through your comments and see what the issue is.
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Wednesday, 17 October 2018
MikeP
10:36 AM
10:36 AM
Naseem Shafi:
Aerial system problems are well known by technical people to affect different frequncies differently and at different times. That is what's appears toi be happening with your system affecting the ARQB services.
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Sunday, 28 October 2018
K
KevinL1:02 PM
Mr Naseem Shafi:
Interesting, I had the same fault, traced it back to a Panasonic Freeview HD recorder, that was de-powered but still in circuit (aerial connected) It seems this box attenuated the ARQB service on Ch 28 the most, ARQA was still low but acceptable signal strength as were the others off Crystal Palace. Bypassing this box or returning power to the box fixed the problem!
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