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 25/11/2024 Screen may go black 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), 71 That’s 60s,
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 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others
COM5 ArqA	H max	C22 (482.0MHz)	321m	DTG-8	200,000W
	11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others
COM6 ArqB	H max	C28- (529.8MHz)	321m	DTG-8	200,000W
	12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 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?

D

damo
11:20 PM
London

Had at all now for a week, went down last tuesday, as i said before am serviced by not had any issues before last week and co-insides with the work they say on this site they are carrying out. postcode nw61re, it cant be right that they would provide no signal for a week can it? its driving me mad as ariels leads everything all checked but just no signal for at all and a very poor almost unwatchable signal, any ideas?

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damo's 2 posts GB flag

damo's: D's Freeview map D's terrain plot D's frequency data D's Freeview Detailed Coverage

B

Ben Hughes
8:15 AM
Teddington

I live in Teddington, Middlesex. I have direct line of sight to teh Crystal alice . I am using a PC with Windows 7 Media Center for all m TV viewing/recording. My is generally rock solid, but recently I have been seeing occasional breakup on BBC One HD and one or two other channels. I tried re-tuning, but this does not appear to have fixed the problem. I believe my areal and are good.
I notice that the BBC One HD Mux is on low power right now, is that likely to be the problem?

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Ben Hughes's 2 posts GB flag

Ben's: B's Freeview map B's terrain plot B's frequency data B's Freeview Detailed Coverage

M

Mike Dimmick

_{sentiment_very_satisfied}Platinum

3:48 PM

Ben Hughes: The pre- HD service is on the same level it has always been on.

In your area, you're expected to be practically certain of having reliable . Check that you aren't overloading anything. If you have a , remove it. You could also try adding an attenuator to reduce overall signal levels (you could well need one after switchover).

Also check for possible sources of impulse . Keep your phone well away from the PC and the cables. Check whether the breakup occurs when the central heating thermostat or controller switches on or off. If it does, a upgrade to -grade cable may be worthwhile.

The broadcasters' definition of 'reliable' is 1% errors over time. Nothing is totally guaranteed. Still, it's more likely to be too much signal than too little.

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Mike Dimmick's 2,486 posts GB flag

M

Mike Dimmick

_{sentiment_very_satisfied}Platinum

4:15 PM

damo: It is your equipment. I've been using fine all week, and I'm much further away than you are.

If there are any boosters, check that the supply is on and working properly. If you can, remove or bypass them, you shouldn't need one where you are.

Otherwise I suspect a broken or connection.

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Mike Dimmick's 2,486 posts GB flag

B

Brian King
10:35 AM
London

Problem: serious break-up on ITV3 and others in MUX A, since changing from Sony DVD recorder (acting as ) and CRT TV, to Sony flatscreen (integral digibox)last week. Good ITV3 via DVD recorder to AV1 input on new TV, but then can't watch-ITV3-record-another. lead direct to TV, still v poor picture.
( Tx) serving five flats via communal . If the signal is too weak for the TV, why is it OK via the DVD recorder?!

Brian

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Brian King's 4 posts GB flag

Brian's: B's Freeview map B's terrain plot B's frequency data B's Freeview Detailed Coverage

Briantist

_{sentiment_very_satisfied}Owner

11:46 AM

Brian King: Can you please see Single frequency interference | ukfree.tv - independent free digital TV advice for some suggestions?

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Briantist's 38,915 posts GB flag

B

Brian King
5:48 PM
London

Yes, I've already looked at these - it doesn't seem like (isn't intermittent); only device attached is the DVR, and bypassing that (as I said previously) makes no odds. I've now added surge-preventing distribution, with no improvement. Another observation is that another ('portable' CRT Sony with cheap external ) TV in another room (same system) receives ITV3 perfectly. Is the tuner in our new Sony flatscreen less sensitive than the one in the DVR or in the cheap digibox?
Brian

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Brian King's 4 posts GB flag

Brian's: B's Freeview map B's terrain plot B's frequency data B's Freeview Detailed Coverage

Briantist

_{sentiment_very_satisfied}Owner

5:58 PM

Brian King: It could just be that the Sony is less sensitive than a box. If this is the case then the obvious answer is to get another cheap Freeview box until .

It is probably worth checking you've got really good "fly leads" as these are often the source of problems.

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Briantist's 38,915 posts GB flag

M

Matt

_{sentiment_satisfied}Silver

10:17 PM

Often expensive boxes can have worse tuners than expensive ones. The other thing is, as Brian says, to use proper flyleads otherwise radiated from the TV ot near sources can ruin a signal especially is the S/N ratio is not too great.

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Matt's 101 posts GB flag

J

jb38

_{sentiment_very_satisfied}Platinum

8:49 AM

Brian King: As has been said by / Matt, some devices are more sensitive than others, but an easy way to even this out, albeit on a temporary basis, is to use a simple in line with the least sensitive device, as this will lift the to just above the level that is causing you the problem.

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jb38's 7,179 posts GB flag

Page 31

Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

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