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

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

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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 04/12/2023 Pixelation or flickering on some or all channels

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

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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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	H max	C23 (490.0MHz)	324m	DTG-	200,000W
	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
PSB2 D3+4	H max	C26 (514.0MHz)	324m	DTG-	200,000W
	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),
PSB3 BBCB	H max	C30- (545.8MHz)	324m	DTG-	200,000W
	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 66 TBN UK,
COM4 SDN	H max	C25 (506.0MHz)	314m	DTG-8	200,000W
	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 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 35 others
COM5 ArqA	H max	C22 (482.0MHz)	321m	DTG-8	200,000W
	Smithsonian Channel, 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 Christmas, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others
COM6 ArqB	H max	C28- (529.8MHz)	321m	DTG-8	200,000W
	Quest Red +1, Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! christmas mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 235 Al Jazeera Eng, plus 20 others
LW	H -10dB	C35 (586.0MHz)	324m	DTG-12	20,000W
	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?

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	BBCtv_waves
C22					ArqA	ArqA
C23		ITV_waves	ITV_waves	ITV_waves	BBCA	BBCA
C25					SDN	SDN
C26		BBC1_waves	BBC1_waves	BBC1_waves	D3+4	D3+4
C28					-ArqB	ArqB
C29						LW
C30		C4_waves	C4_waves	C4_waves	-BBCB	BBCB
C33		BBC2_waves	BBC2_waves	BBC2_waves		com7
C35						com8
C55_{tv_off}						com7_{tv_off}
C56_{tv_off}						COM8_{tv_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 London

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

Sep 1955-Jul 1968	Associated-Rediffusion†
Sep 1955-Jul 1968	Associated TeleVision◊
Jul 1968-Dec 1992	Thames†
Jul 1968-Feb 2004	London Weekend Television♦
Jan 1993-Feb 2004	Carlton†
Feb 2004-Dec 2014	ITV plc♦
Feb 2004-Dec 2014	ITV plc†

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV 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.

Is the transmitter output the same in all directions?

Transmitter engineering

_{sentiment_very_satisfied}Owner

12:16 PM

- AM: Off the air due to a fault from 10 Jan 11:27 until 10 Jan 11:40. . [BBC]

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Transmitter engineering's 146,845 posts xx flag

R

Roger Bricker
2:42 PM
Surbiton

I would like your advice on problems we have with etc from the .
We live close to the SW Railway mainline track at Berrylands - Post code KT5 8EL.

Just recently moved to this address and now experiencing unusual TV everytime a train passes our house. Strangely this is mostly apparent with trains travelling in one direction towards London Waterloo.

Today (24 Jan2021) there are no trains running due to local enginerring works, and there has been no TV reception interference what so ever. Perfect reception all day.

The train line is approx. 200yds from where we live.

Many thanks and look forward to your reply.

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Roger Bricker's 1 post BE flag

Roger's: R's Freeview map R's terrain plot R's frequency data R's Freeview Detailed Coverage

C

Chris.SE

_{sentiment_very_satisfied}Platinum

2:14 AM

Roger Bricker:

This is always one of the most trickiest problems to deal with, and not always successfully I'm sorry to say. The problem is not helped by the fact that the railway line is more or less on the line of sight to the at your location.
However, a number of questions to start. You say you've recently moved to this address, how recently?
It's possible the problem is related to the transmitter work at that has been going on for the last 3 weeks. It's still listed for Planned with Possible weak which won't.
Normally your area in general should get very good signals, leaving aside local .

Where is your , and do you know what type it is, can you describe it all, does it have rods that are straight or look like X's? Does the back of the aerial look like a flat plate or is it made up of rods. If you can provide a link to a of one that looks similar, have a look around this site Aerials - A.T.V. Poles, Brackets, Clamps & Aerials

How high up is the aerial in relation to the railway line, is it above the line or more in line with it?
How do your neighbours get on with , what aerials do they have?

It's possible when the transmitter work is complete, the problem may go away. If the aerial installation is old then it may have deteriorated which will increase the chances of problems such as interference.
The right type of aerial, mounted above the height of the railway line, might be a solution if it is an old aerial.

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Chris.SE's 3,939 posts GB flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

4:49 AM

- : Slightly reduced due to a fault from 7 Feb 00:53. . FM: undefined due to a fault from 10 Jan 00:10 until 4 Feb 01:38. . [BBC]

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Transmitter engineering's 146,845 posts xx flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

10:50 AM

- : Slightly reduced due to a fault from 7 Feb 00:53 until 7 Feb 09:02. . FM: undefined due to a fault from 10 Jan 00:10 until 4 Feb 01:38. . [BBC]

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Transmitter engineering's 146,845 posts xx flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

4:50 AM

- : Slightly reduced due to a fault from 7 Feb 00:53 until 7 Feb 09:02. . [BBC]

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Transmitter engineering's 146,845 posts xx flag

M

Mark-T
10:57 PM

I recently purchased and installed a splitter.
It was sold as having both 4G and filter. Without paying too much attention as to what this means, I later discovered it filters out all the 700 and 800 MHz frequencies. The label on the splitter says it works on 21 - 48.

After installing it and performing a retune, I realised I lost a few channels. After a bit of digging, I realised these were all the channels on COM7 and 8 (channel 55 and 56) which my splitter is now filtering out.

My question is, does anyone know when channels 55 and 56 will be turned off as I am hoping that BBC News HD and BBC4 HD get moved onto a frequency channel that I can actually receive now?

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Mark-T's 1 post GB flag

S

StevensOnln1

_{sentiment_very_satisfied}Platinum

11:16 PM

Mark-T: COM8 has already closed last year. There is no confirmed date for COM7 to close, however it's licence is due to expire in the middle of 2022 and could close sooner if the winner of the centre gap SDL spectrum (now due to be auctioned by next month) gives 3 months notice, although this seems unlikely as there are currently no phones or other devices available which support the 700MHz SDL band, so it seems likely that COM7 will be around for another year or so.

Nothing has been announced yet regarding what will happen to BBC Four HD (or any other channels) when COM7 eventually closes.

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StevensOnln1's 3,569 posts GB flag

Transmitter engineering

_{sentiment_very_satisfied}Owner

1:37 PM

- AM: Off the air due to a fault from 2 Mar 11:33 until 2 Mar 11:48. . [BBC]

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Transmitter engineering's 146,845 posts xx flag

H

HuwD
12:03 PM

PSB3/BBCB is shown as transmitting on (690.0MHz), however, my TV shows they are transmitting on (546.0MHz). Can you confirm the information on this site is correct

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HuwD's 2 posts GB flag

Page 311

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