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

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.424,-0.076 or 51°25'26"N 0°4'32"Wsa_postcodeSE19 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 04/11/2024 Pixelation or flickering on some or all channels Digital tick


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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 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

PSB2
D3+4
 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), 71 That’s 60s,

PSB3
BBCB
 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

COM4
SDN
 H max
C25 (506.0MHz)314mDTG-8200,000W
Channel icons
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)321mDTG-8200,000W
Channel icons
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)321mDTG-8200,000W
Channel icons
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)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
VHFA K TA K TA K TA K TW T
C1BBCtvwaves
C22ArqAArqA
C23ITVwavesITVwavesITVwavesBBCABBCA
C25SDNSDN
C26BBC1wavesBBC1wavesBBC1wavesD3+4D3+4
C28-ArqBArqB
C29LW
C30C4wavesC4wavesC4waves-BBCBBBCB
C33BBC2wavesBBC2wavesBBC2wavescom7
C35com8
C55tv_offcom7tv_off
C56tv_offCOM8tv_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

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.

Comments
Monday, 3 October 2011
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

12:19 PM

Mark Heselden: The boundaries between this site's predicted 'best' area for one transmitter and another are fairly arbitrary and probably wrong - like most of the predictions, because far too much of the information is kept private by the broadcasters/transmitter owner.

In this case, it's because the coverage area is divided - by the tool that generated the map - between Crystal Palace and Croydon. Croydon only normally transmits Channel 5, although in a dire emergency it can transmit the main four analogue channels (Crystal Palace's own reserve antenna and transmitters would have to fail first). So this line is completely erroneous.

There's an analogue coverage area map dating from the 1980s at mb21 - Transmitter Information - Crystal Palace - this was measured, rather than predicted. Post-DSO digital TV coverage should be substantially similar.

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Mike Dimmick's 2,486 posts GB flag
C
Clive Jenner
3:21 PM

Hi I have a Humax PVR9200T on the Crystal Palace mast. For the last week or two I have had a nag message advising of the need to retune when first switching on the PVR from standby each morning. Having taken advice from Humax I have done a retune automatically and also manually using the Crystal Palace channels. Humax are at a loss as they cannot understand why I still get the retune nag message! Any one on here suffering the same problem? Regards Clive

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Clive Jenner's 2 posts GB flag
B
Bob Smith
4:33 PM

Matt,

Ref. my earlier post today...

The 800 series channels on my "London" TV had been removed by 13.00 together with 301 "Red Button" - the latter I added manually.

Bob

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Bob Smith's 6 posts GB flag
M
Mark Heselden
sentiment_satisfiedBronze

7:23 PM

Mike Dimmick: Very good map. Thanks, Mike. (51.14,-000.04) 

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Mark Heselden's 21 posts GB flag
M
Matt
sentiment_satisfiedSilver

7:32 PM

Bob: You either have to buy channel filters to only allow one transmitter through. A - E Masthead Combiner / Diplexer is one. For sudbury only, put the cable into the E socket and the output wire into the com. For crystal palace only, you should plug the aerial into the A section.

Or- build a stacked array to phase cancel the other signals. Personally, I think option 1 will be easier.

link to this comment
Matt's 101 posts GB flag
M
Mary
9:14 PM
London

I've just moved to a maisonette that has a new wideband aerial on the roof. Neither my freeview TV or Humax digital box can pick up multiplex 2. I used to live next door so know the area (and my TV/digital box) is capable of getting a signal.

I've tried a new cable, reinstalling factory settings, turning the booster off, turning the booster on, but still no multiplex 2.

Any ideas what could be causing the problem?

Many thanks

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Mary's 1 post GB flag
Mary's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Tuesday, 4 October 2011
M
Matt
sentiment_satisfiedSilver

7:10 AM

If it's a communal system, there cold be a filter to prevent 22 getting through.

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Matt's 101 posts GB flag
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

3:23 PM

Clive Jenner: I got that when Hemel Hempstead retuned a few weeks ago (14 September). HH simply retransmits what Crystal Palace transmits, so a change in the frequency information for HH had to actually be transmitted by CP.

I also have a PVR-9200T, but it hasn't prompted again since. Are you up to date? If you press MENU and go to System, Status, the versions should be:

System ID: 3020.0000
Application Version: PGXTF 1.00.23
Loader Version: A4.09
Update Date: 20th May 2010

If the versions are older than that, the current version is currently being rebroadcast. In the Software Update menu, make sure that it is set to automatically update at 4am. Make sure you put the receiver in standby before you go to bed, it will not update unless it is in standby.

That said, I think the change notification was only added in the that version.

As I recall, there are three options, Now, Later and something else. I pressed whatever would cause it not to retune at all, and never ask again (i.e. the third option).

Humax do recommend doing a Default Setting after installing that update. You might try doing one anyway. That will delete the future recording schedule and all channels, and all other settings - previous recordings are kept. I'd particularly advise moving the RF output away from its default as it clashes with analogue Channel 5 - I've set mine to UHF 53.

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Mike Dimmick's 2,486 posts GB flag
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

3:39 PM

Mary: At that location, chances are extremely good that you have too much signal even without a booster. If you were much further away, I would say that maybe the reflector is too short, but you should be able to use an indoor aerial at that location (or no aerial at all) and still have excellent results.

A wideband is completely unnecessary at Crystal Palace and it's unlikely that it ever will become necessary.

Remove the booster completely, it won't be doing anything useful and could be harming the signal quality.

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Mike Dimmick's 2,486 posts GB flag
C
Clive Jenner
5:44 PM

Thanks for the reply from Mike Dimmick.

I have the software you mentioned added when first broadcast and I had already carried out the suggestions you made. The RF modulator lord knows what channel it's on but it's been there for along time without causing a problem. I will investigate shifting it though! This is a system that has been working fine for some time. I suspect that the engineering work that is going on at CP is to blame. My concern is that this will go on till April next year when they say they will up the Transmit power!
Thanks Clive

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Clive Jenner's 2 posts GB flag
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