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

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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 - AM: Radio 4 on MW has now closed. Please retune to FM, Digital Radio, digital TV, BBC Sounds or smart speakers to continue listening. More information can be found on the front page of this Reception Advice website. from 15 Apr 00:00. . BBC

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.

 H max
C23 (490.0MHz)324mDTG-200,000W
Channel icons
1 BBC One (SD) London, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 16 others

 H max
C26 (514.0MHz)324mDTG-200,000W
Channel icons
3 ITV 1 (SD) (London), 4 Channel 4 (SD) London ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 London ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (London),

 H max
C30- (545.8MHz)324mDTG-200,000W
Channel icons
46 5SELECT, 101 BBC One HD London, 102 BBC Two HD England, 103 ITV 1 HD (ITV London), 104 Channel 4 HD London ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

 H max
C25 (506.0MHz)314mDTG-8200,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

 H max
C22 (482.0MHz)321mDTG-8200,000W
Channel icons
11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

 H max
C28- (529.8MHz)321mDTG-8200,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

 H -10dB
C35 (586.0MHz)324mDTG-1220,000W
Channel icons
from 31st March 2014: 8 LONDON LIVE,

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, 12km north-northwest (335°)
to BBC London region - 55 masts.
regional news image
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 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?

1950s-80s1984-971997-981998-20122012-1321 Mar 2018

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

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.

Wednesday, 12 October 2011

7:10 AM

jb38: The ostcode given is not correct. All of mine apre predicted to be variable with crystal palace. Mux 2 is only predicted to have 9 and 79 for reliability. ~It is still perfect.


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Matt's 101 posts GB flag
Mike Dimmick

9:18 AM

Matt: The numbers are the percentage of locations, within the 100m x 100m National Grid square that the centre of your postcode falls into, that are predicted to have (on average) sufficient signal margin to be reliable 99% of the time, and 50% of the time, respectively. It's a measure of the difficulty of locating an aerial within that square and how coverage might vary between you and your neighbour.

The prediction is based on an aerial with CAI Standard 1-class gain, and loss of 3-5 dB in the cable depending on frequency, but the template for cross-polar and front-to-back rejection is weaker than such an aerial would normally achieve. The prediction allows for losses if the signal path goes through a square made up mostly of woodland or of dense buildings but it only allows for average losses. They might be higher or lower than allowed for.

The prediction calculates both the signal from the wanted transmitter and the interference from unwanted transmitters, including adjacent-channel interference.

Short of actually going and surveying every grid square in the country, this is probably the best we can do, but it's always going to give 'wrong' answers for some people.

link to this comment
Mike Dimmick's 2,486 posts GB flag

10:36 PM

Thanks a lot for that Mike Dimmick - you've cleared up a few things.

I found that moving one of my aerials on Guildford 10ft south (away from transmitter) meant that I could get mux 2 and B, whereas before, the meter did not even register anything. Digital UK predicts Mux 2 to be poor.

My neighbour is also predicted to have better forecast on every transmitter/multiplex. We both have a Unix 52A on Crystal Palace and Unix 52 C/D on Midhurst going through a A/E combiner into an SLX 8 way. I fitted both systems so that they were EXACTLY the same. It turns out my actual reception has and is much better than his.

Another problem here is low level multipath because of the metallic insulation used in houses nowadays. It is very good at reflecting signals, but that is another thing alltoghether. Co-channel is not a problem here at all.

I have a line of sight to all the transmitters except Crystal Palace, in which Newland's corner acts as the main obstruction - I still get perfect reception. A line of sight is not always necessary. I use a Horizon HD-TM meter.

However, I am not a professional, I just got into playing around with UHF DXing from my Ham Radio activities.

link to this comment
Matt's 101 posts GB flag
Colin Wray
11:10 PM

This may be a bit off-topic, but do you know if there is anything strange about program 10 (ITV3) in the MuxA (or SDN) transmission ? One of my TVs (Tosh 19W330DB) adds all the MuxA programs to its list, but shows the previous program when 10 is selected. Two other TV sets work OK.

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Colin Wray's 14 posts GB flag
Thursday, 13 October 2011

7:33 AM

I suggest you do a full reset first. (50.9889,-1.4989) 

link to this comment
Matt's 101 posts GB flag
Colin Wray
11:31 PM

Thank you Matt, that fixed it. So the full retune which "removes all existing programs" is not exactly true. The full reset has had some undesirable effects as well, for instance I cannot now change programs 1 and 3 to London by manually re-tuning channels 22 and 25 (I have two aerials - CP and OX) which previously was possible.

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Colin Wray's 14 posts GB flag
Saturday, 15 October 2011
Transmitter engineering

6:43 PM

CRYSTAL PALACE transmitter - Analogue BBC TWO Weak Signal from 18:03 today to 18:09 today [BBC]

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Transmitter engineering's 152,307 posts xx flag
Transmitter engineering

6:43 PM

CRYSTAL PALACE transmitter - Analogue BBC TWO Weak Signal from 18:03 today to 18:09 today [BBC]

link to this comment
Transmitter engineering's 152,307 posts xx flag
Sunday, 16 October 2011
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