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Full Freeview on the Crystal Palace (Greater London, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.424,-0.076 or 51°25'26"N 0°4'32"Wsa_postcodeSE19 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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Crystal Palace (Greater London, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 H max
C23 (490.0MHz)324mDTG-3200,000W
Channel icons
1 BBC One London, 2 BBC Two England, 9 BBC Four, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 601 BBC RB 1, plus 17 others

PSB2
D3+4
 H max
C26 (514.0MHz)324mDTG-3200,000W
Channel icons
3 ITV (London), 4 Channel 4 London ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 London ads, 14 More4, 15 Film4, 24 ITV4, 24 ITV4 +1, 28 E4, 33 ITV +1 (London), 73 Sewing Quarter,

PSB3
BBCB
 H max
C30- (545.8MHz)324mDTG-6200,000W
Channel icons
45 Film4 +1, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV London), 104 Channel 4 HD London ads, 105 Channel 5 HD, 204 CBBC HD,

COM4
SDN
 H max
C25 (506.0MHz)314mDTG-8200,000W
Channel icons
10 ITV3, 20 Drama, 21 5 USA, 26 ITV Be, 27 ITV 2 +1, 30 5STAR, 34 ITV3 +1, 37 Quest, 44 Channel 5 +1, 54 My5, 57 Paramount Network, 58 ITV Be +1, 59 ITV4 +1, 61 True Entertainment, 63 Blaze, 64 CBS Action +1, 66 CBS Reality, 70 Horror Channel, 80 Blaze +1, 83 Quest +1, 203 CITV, 211 Ketchup TV, plus 17 others

COM5
ArqA
 H max
C22 (482.0MHz)321mDTG-8200,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Sony Movie Ch, 38 Quest Red, 41 Food Network, 46 Challenge, 48 Movies4Men, 72 YourTV, 233 Sky News, plus 10 others

COM6
ArqB
 H max
C28- (529.8MHz)321mDTG-8200,000W
Channel icons
18 4Music, 19 Yesterday, 25 Home, 31 5Spike, 39 CBS Action, 42 Travel Channel, 47 4seven, 62 True Movies, 71 CBS Drama, 79 Dave ja vu, 81 Talking Pictures TV, plus 19 others

LW
 H -10dB
C29 (538.0MHz)324mDTG-1220,000W
Channel icons
from 31st March 2014: 8 LONDON LIVE,

com7
 H -6.7dB
C33 (570.0MHz)324mDTG-643,100W
Channel icons
56 5USA +1, 67 CBS Drama, 82 Vintage TV, 84 Quest Red +1, 87 Keep It Country, 107 BBC News HD, 108 Al Jazeera Eng HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD, plus 1 others

com8
 H -7dB
C35 (586.0MHz)324mDTG-639,800W
Channel icons
55 5STAR+1, 86 More4 1, 95 Freesports, 96 Forces TV, 106 BBC Four HD, 115 BT Showcase HD (not free), 205 CBeebies HD, plus 4 others



DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
DTG-8 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?

regional news image
BBC London 4.9m homes 18.4%
from London W1A 1AA, 11km north-northwest
to BBC London region - 55 masts.
regional news image
ITV London News 4.9m homes 18.4%
from London WC1X 8XZ, 11km north-northwest
to ITV London region - 55 masts.

Are there any self-help relays?

Charlton AthleticTransposerRedeveloped north stand Charlton Athletic Football Club130 homes
DeptfordTransposersouth-east London100 homes
GreenfordTransposer12 km N Heathrow Airport203 homes
HendonTransposerGraham Park estate50 homes
White CityTransposer9 km W central London80 homes

How will the Crystal Palace (Greater London, England) transmission frequencies change over time?

years1950s~851984-971997-981998-20122012-132013-182013-1731st Mar 2018-
aerial groupVHFA KA KA KA KA KA KA K
C1BBCtv
C22-2ArqAArqAArqABBCA
C23ITVITVITVBBCABBCABBCAD3+4
C25-1SDNSDNSDNBBCB
C26BBC1BBC1BBC1D3+4D3+4D3+4SDN
C28-B-ArqB-ArqB-ArqBArqA
C29-DLW
C30C4C4C4-BBCB-BBCB-BBCBArqB
600C32-A
C33BBC2BBC2BBC2com7
C34+C
C35com8

orange background for multiplexes names more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: 4G from 30 June 2020more
600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 4th April and 18th April 2012.

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
PreDSO-BBCB*(-20dB) 10kW

Which companies have run the Channel 3 services in the Crystal Palace transmitter area

Sep 1955-Jul 1968Associated-Rediffusion†
Sep 1955-Jul 1968Associated TeleVision◊
Jul 1968-Dec 1992Thames†
Jul 1968-Feb 2004London Weekend Television♦
Jan 1993-Feb 2004Carlton†
Feb 2004-Dec 2014ITV plc†
Feb 2004-Dec 2014ITV plc♦
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Crystal Palace was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Comments
Tuesday, 10 July 2018
MikeP
3:30 PM

Dominic Redgewell:

If you look at the predicted reception as shown on the Digital UK Coverage Checker, at Coverage Checker - Detailed View and on the blue box below your posting. It shows you should be getting pretty good reception from Sandy Heath but variable and even very poor reception from Crystal Palace.

If your aerial is aimed at Sandy Heath, it will not 'see' Crystal Palace at all well as it is in a completely different direction.

So your aerial will need to be adjusted to receive any decent signals from Crystal Palace, but even then reception of all bar the BBC A and D3&4 is expected to be acceptable but the reception of all other multiplexes multiplexes is expected to be poor and variable. So using Crystal Palace is not recommended.



link to this
MikeP's 2,414 posts Platinum Platinum GB
Thursday, 12 July 2018
A
A Farlow
8:21 PM

London reception on all commercial channels is appalling. Picture breaks up or freezes. No recording possible, of course, and re-tuning makes no difference at all.

link to this
A Farlow's 12 posts GB
Friday, 13 July 2018
S
StevensOnln1
12:54 PM

A Farlow: Have you checked for any loose or damaged cables or connections behind your TV? Please provide a full postcode so that we can see where you are in relation to the transmitter and your predicted coverage etc.

link to this
StevensOnln1's 2,081 posts Platinum Platinum GB
Saturday, 14 July 2018
H
Hayley
7:27 PM

Hi. Lost almost all channels. 're tuned and reset. Makes it worse. All tvs are showing break up in picture etc. 3 days now.. Any help please.

link to this
Hayley's 1 post GB
Sunday, 15 July 2018
MikeP
4:00 PM

Hayley:

The worst thing to do was a retune! It will never bring back the channels under the conditions you describe. You will now need to do a manual tune using the actual channel numbers being used by the transmitter. To find those, put your post code into the Digital UK Coverage Checker at Digital UK - Coverage checker Then use the channel number listed to retune your TV set to each of the multiplexes.

There can be a number of reason for the loss of signals, the main one at present being the warm weather. That causes inteference by signals fro other transmitters travelling further than usual, which the TV can't cope with and you loose the channels. The other posibility is a bad connection in your aerial feed. So check all the connections you can safely reach, starting at the back of the TV and working as far up to the aerial as you can get.



link to this
MikeP's 2,414 posts Platinum Platinum GB
Monday, 16 July 2018
D
Dominic Redgewell
6:36 PM

Ok, thanks. We have had on screen announcements to retune tomorrow, due to alterations to signalling. I will have to find out if I get the London channels back.

link to this
Dominic Redgewell's 2 posts GB
Thursday, 19 July 2018
A
A Farlow
6:49 PM

I am now pretty certain that all of my problems are related to the heatwave and nothing to do with my aerial.

Possible causes of interference - at800

"High pressure, which brings fine weather, allows signals to reach areas they wouldn't normally reach. Under normal circumstances, the signals from each television transmitter can only be received by those homes that have aerials with a direct line-of-sight to the transmitter. However on warm summer days, hot air can get trapped under colder air high up creating a layer which acts like a mirror for television signals, reflecting them back towards Earth. This can cause signals from different transmitters to overlap. Unfortunately, there is no solution to this kind of interference. Broadcasters can't prevent it, and adjusting your aerial will make no difference. Reception will only improve when the weather changes."

Tsk! Men on the moon forty years ago and still .....

link to this
A Farlow's 12 posts GB
Friday, 20 July 2018
A
A Farlow
11:24 PM

What is really odd is that when the commercials are shown reception is at least better if not perfect!!!!!
It's a mystery ...

link to this
A Farlow's 12 posts GB
Sunday, 22 July 2018
MikeP
3:50 PM

A Farlow:

There is no difference between any of the transmissions for either BBC or the commercial channels, they often share the same multiplex in some cases too! Similarly there is no change when the commercials are being shown, though some suggest the sound levels are increased but that is denied by the broadcasters concerned.

The hot weather patterns we have been experiencing for the last several weeks always gives rise to 'interference' due to natural atmospheric conditions causing signals to travel much further than is usual. There is nothing anyone can do and it has happened to TV transmissions ever since we started using UHF back in the 1960's.



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MikeP's 2,414 posts Platinum Platinum GB
A
ARW
7:28 PM Woking

Thanks for the great site. However, is the Crystal Palace Transmitter page up to date? I could not manually tune an old device to get BBC News HD or BBC Four HD using the details here. Then I checked my TV's signal diagnostics and found them on:

746MHz/BBC NEWS HD
754MHz/BBC FOUR HD

rather than the 570 & 586 MHz listed here.
(Rooftop aerial, aimed at Crystal Palace)

link to this
ARW's 1 post US
ARW's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
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