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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

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 02/10/2023 Pixelation or flickering on some or all channels

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.

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, 250 BBC Red Button, plus 15 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, 109 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! Movies Action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 69 HorrorXtra, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 91 WildEarth, 203 CITV, 208 Pop Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 16 others
COM5 ArqA	H max	C22 (482.0MHz)	321m	DTG-8	200,000W
	Smithsonian Channel, 11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 70 Quest +1, 71 That's 60s, 74 Yesterday +1, 75 That's 70s, 233 Sky News, plus 9 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! romance, 73 HobbyMaker, 76 That's 80s, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 90 Together TV +1, 235 Al Jazeera Eng, plus 19 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?

Comments

Thursday, 19 April 2012

Dave Lindsay

_{sentiment_very_satisfied}Platinum

7:23 PM

Gary Faulkner: I assume that "U21" means UHF 21 is HD from which are available at your location.

I am surprised that the TV has not stored all services from one .

What you do depends on the design of the TV; what it will allow. You may find the ITV1 HD in your 800s and you may just swap the two. Or you may delete the main ITV1 HD and manually add the CP one which is on .

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Dave Lindsay's 5,724 posts GB flag

optimist
7:56 PM
Stansted

Technical questions please.
1) When looping the feed through a HDD/DVD recorder to a good , does the signal to the digibox get amplified or reduced and by how many dB. I seem to have read somewhere that a + 3 db could occur?.
2) By what % does a 12 dB attenuator reduce the signal . By 90%?
3) With a 2 way passive splitter, is the signal split 50/50 assuming minimal down line coax

Tks.

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optimist's 12 posts GB flag

optimist's: O's Freeview map O's terrain plot O's frequency data O's Freeview Detailed Coverage

David Taylor
8:11 PM
Swanley

Hi JB38
Thanks for reply.
When on the was so poor I fitted a motorised direction box.
At one time it was so bad I had to aim at
, I think, and watch Anglia so unless something remarkable has happened to
improve recption I don't think it can be too strong. My nieghbours at the side and behind
had the same trouble so we seem to be in a dead spot. I took the box back and swopped it
but the new one is the same.Is there any difference between a cheap box and a dearer one.Will try with indoor aerial and let you know

Dave

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David Taylor's 12 posts GB flag

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

Pam
8:59 PM

Hi,
I've lost the band of that includes film four, itv 4, yesterday etc. I've tried re-tuning my box but they haven't returned. My is from the transmitted. Can someone me, in layman's terms, please? I not so good when it comes to technology.
Thanks for any replies,
Pam

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Pam's 1 post GB flag

jb38

_{sentiment_very_satisfied}Platinum

9:04 PM

David Taylor: Yes, try the set top or wire , as now you are experiencing the same symptoms with your new box its definitely inclined to suggest instability in the tuner, and that can only really happen when the RF being fed into its tuner is intense to the extent that its causing self oscillation to occur, the audio/visual symptoms you describe being a classic one.

That said though, if it is instability, then what's seen should stop instantly if you pull the out.

By the way, the only boxes that use what could be considered as higher grade tuners are Humax devices, as a huge range of boxes (about 15 or so) seen in places like Argos etc are all based on variations of Vestel (Turkey) chassis, the ironical thing being that its boxes with the more sensitive tuners that are first to suffer from RF overloading, boxes that are on the deaf side generally coping better in this type of situation, that being why some people with more than one box in their house finds that stations can be picked up one box and not the other, all down purely to the differing sensitivities involved.

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jb38's 7,179 posts GB flag

Tim

_{sentiment_satisfied}Bronze

10:25 PM
Radlett

Pam. Try a manual on 28 and see what happens.

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Tim's 32 posts GB flag

Tim's: T's Freeview map T's terrain plot T's frequency data T's Freeview Detailed Coverage

NICK ADSL UK

_{sentiment_satisfied}Bronze

10:35 PM

For pvr's and HD recorders the top brands are humax and Panasonic and it would be wise to stick on these 2 brands only if in doubt as the other brands can be /strength specific and may not be suitable at this time under varying condition's

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NICK ADSL UK's 72 posts GB flag

Dave Lindsay

_{sentiment_very_satisfied}Platinum

11:11 PM

Pam: What's the make and model?

If it's a Grundig GDB2 or GDB3, for example, then I wouldn't expect it to work with these from as there is a known issue.

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Dave Lindsay's 5,724 posts GB flag

Dave Lindsay

_{sentiment_very_satisfied}Platinum

11:14 PM

Pam: Sorry, I meant Goodmans GDB2 and GDB3 rather than Grundig. They both begin with a G!

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Dave Lindsay's 5,724 posts GB flag

Big Mart

_{sentiment_satisfied}Bronze

11:32 PM
London

jb38: My television comes from a block of flats across the road, going underground and then fed into the houses opposite!

I have no idea what is there, I just plug the in from a socket.

TBH All seems well, but hopefully tomorrow will be the first evening I will be able to check everything since Wednesday.

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Big Mart's 83 posts GB flag

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

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