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 - DAB: Slightly reduced power due to a fault from 23 Dec 07:21 until 23 Dec 13:37. . 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

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?

Briantist

_{sentiment_very_satisfied}Owner

10:03 PM

Malcolm Springett: I would have a look at the Single frequency interference | ukfree.tv - independent free digital TV advice page. There are no problems.

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Briantist's 38,915 posts GB flag

D

D French
10:41 PM

I live in Epsom. We lost ITV1, ITV2, Channel4 and Channel5 on Friday 21st October 2011. Don't know why. All other fine.

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D French's 1 post GB flag

A

Andy
11:24 PM
East Molesey

I am the same as Malcolm Springett and have lost previously available HD in the last 2 weeks. Looking at the coverage chart, there is a mysterious hole exactly where I live. Any ideas why anyone please?

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Andy's 3 posts GB flag

Andy's: A's Freeview map A's terrain plot A's frequency data A's Freeview Detailed Coverage

M

Malcolm Springett
12:20 AM
London

So it seems so far nobody has from CP?
Brian I take the point about but nothing has been added in my house to generate it (am BBC Radio engineer btw) If it is single freq interference then it might be from next door but surely a brick would be enough to stop that?

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Malcolm Springett's 4 posts EU flag

Malcolm's: M's Freeview map M's terrain plot M's frequency data M's Freeview Detailed Coverage

Briantist

_{sentiment_very_satisfied}Owner

6:49 AM

Malcolm Springett: The BBC report that is operating normallly from . Some people have a problem as is also used for SDN on , but that should not effect you.

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Briantist's 38,915 posts GB flag

M

Malcolm Springett
11:23 AM
London

Thanks for that Brian - I myself atempted to contact Arquiva who run the sight but had to do it via BBC duty managers who reported that they are informed by Arquiva remote managment systems that all is ok. HOwever having had dealings before with privatised parts of broadcasting sometimes the correct information is mislaid. I would still be intereste to know if anybody is actually receving off air from on as currently my box says not. Now my box could suddenly be fauly but it would seems strange if all of a sudden it picks up nothing on C31. It is more likely that the mux service id and programme id tables produced at CP are corrupted. However if anybody else is receiving things ok on C31 then it is time for me to eat humble pie and replace the box. So far on this forum all I am hearing is HD freview has been "lost". I am actually considering getting a cheap HD set top box just to the anyway

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Malcolm Springett's 4 posts GB flag

Malcolm's: M's Freeview map M's terrain plot M's frequency data M's Freeview Detailed Coverage

Briantist

_{sentiment_very_satisfied}Owner

1:10 PM

D French: Please see Single frequency interference | ukfree.tv - independent free digital TV advice for.

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Briantist's 38,915 posts GB flag

Briantist

_{sentiment_very_satisfied}Owner

2:31 PM

Malcolm Springett: I would say that as the is providing to millions of homes in the London area, if the four HD were missing from everyone then people would notice.

Given that the headquaters of the BBC, ITV plc and are all within the area, I am sure they would notice if their HD service was off within a matter of seconds.

Also Arqiva, who run the have extensive automatic monitoring systems that are able to detect and correct faults within microseconds.

This doesn't mean you don't have a reception issue, but it could still not be one caused by a transmitter faults.

One common cause of this kind of problem in the past, when it was not down to an in-home problem, has been faulty street lighting or security lighting.

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Briantist's 38,915 posts GB flag

Colin Wray
4:44 PM

I think on has a greater range and therefore effect on CP than people realise.

I have a band A targetting CP and 108 degrees away from SH which is 21 miles distant behind high ground, but get a good which blanks CP C31 and enables me to receive quite well.

Fortunately I also have an OX aerial so get HD on from there.

This problem arose when was completed at SH and they turned up the power. It will be resolved in April 2012 when CP completes.

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Colin Wray's 14 posts GB flag

Briantist

_{sentiment_very_satisfied}Owner

5:55 PM

Colin Wray: You might expect this, the levels at , as a "preview" service are very low.

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Briantist's 38,915 posts GB flag

Page 48

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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If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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