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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 28/10/2024 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
Saturday, 21 April 2012
Richard
6:11 PM

I just found wooburn's page, Wooburn digital TV transmitter | ukfree.tv - independent free digital TV advice and it says channel 52 for Mux3, and that tells me 69% power, 0% quality

Checking Wooburn's Mux2 channel 56, I get 70% power, 37% quality, Mux1 channel 48, I get 77% power, 86% quality.

All the other Crystal Palace Mux channel numbers are 100% power and 100% quality

thanks

Richard (SL85LL)

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Richard's 7 posts GB flag
Richard
6:15 PM
Bourne End

Mind you, checking my postcode against ukfree.tv site, it reckons I should be getting from Guildford :)

Checked its channel 40, and 29% power 0% quality

So it definitely isn't finding that one!

Reason I tuned manually was because I was finding other transmitters, with poorer signals, and having multiple versions of each programme channel.

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Richard's 7 posts GB flag
Richard's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
B
Big Mart
sentiment_satisfiedBronze

6:22 PM
London

Dave Lindsay: Thank you for your response. Presumably the signal for the recorder must come from the same place as the tv, as the aerial is plugged into the recorder and out to the tv. I have a Sony SVR-HDT500 Freeview+ HD Recorder. How would I find which channel it is tuned to?

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Big Mart's 83 posts GB flag
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Dave Lindsay
sentiment_very_satisfiedPlatinum

6:25 PM

Richard: If your receiver is finding other channels, and those channels fall outside of the range used by Crystal Palace, then you can avoid them by using the unplugging aerial trick I mentioned.

If there are other transmitters that are within the "target" of say 21 to 30 for Crystal Palace (I allow a few channels either side to ensure that they're all picked up), then you may have to revise your plan.

I don't have first hand experience of these Humax devices. However, I have read that when tuning some HD tuners you need to select the HD mode when tuning in the HD channel, that probably being "DVB-T2" as opposed to "DVB-T" which is for standard definition.

I wonder, if you are doing it manually if you have to set the mode manually and that it does not automatically assume the correct mode. This would perhaps explain why it does find a signal, but just no quality.

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J
Janice
6:46 PM
Stevenage

Janice: I've sorted my problem. The distribution amplifier that I was using was analogue only. Changed it for a digital one, £13 from Argos and have all my channels.

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Richard
6:50 PM
Bourne End

Dave, thanks for your comments, I will check tomorrow, appreciate the help

Richard

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Richard
6:56 PM
Bourne End

Dave, had a few mins spare (mrs not ready to go out) and it was as you said DVB-T2 - so that's the Humax sorted, now need to try the TV to behave :)

Richard

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Roger
6:56 PM
Chelmsford

Kate: Sorry to hear of your continuing trouble.
When you ran set up for your TV card did you select Crystal Palace as the source? If so, and your card now can't find any thing it is probably that the software is not looking for the channels in their new frequencies. Try selecting "Any source" or "All" when scanning.

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Roger's 20 posts GB flag
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Roger
7:00 PM
Chelmsford

Kate: If your software will allow a manual tune, look for Channels 22,23,25,26 & 28.These are the Crystal Palace ones.

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J
jb38
sentiment_very_satisfiedPlatinum

7:01 PM

martyh: Regarding the possibility of software updates rectifying this problem, unfortunately the answer is in my opinion no! as rectifying these type of issues generally has to be carried out via RS232 socket transfers or directly into the appropriate test pin area on the PCB if factory updated, that is "if" the manufacturers provided the software for such an action in the first place, something which I very much doubt as the problem would not have been known about then.

That of course being the norm with any digital receiving device hence the reason for the constant stream of software updates one hears about, and the greater the number of updates seen for the same model an indication that the previous one was, to put it, "a shot in the dark" in an attempt to cure whatever defect it was intended to correct.

Your problem does though have slight similarities to a much later manufactured range of Sony TV's that suffered switch over instigated problems, Sony's answer to the problem was to provide users affected with a software update on a £15.00 refundable deposit flash drive to be inserted into the offending TV's USB socket, but to my knowledge Sony is about the only company that has used this procedure.

I have to admit, that I personally feel that the only way your problem is likely to be overcome is by replacement of tuner, the problem there being the cost of such an action would likely exceed the cost of just purchasing a Freeview box and coupling this into the TV's scart socket, or if you didn't want a Freeview box to be seen then use one of these small wedge types that fits directly into the TV's scart socket.

As I am rather curious about this problem from my own point of view, and at the first opportunity I fully intend to check if the TV tuners part number is different between the 05 suffix models and the models without, as that would give a clue if Philips had fitted updated tuners in some later models, so maybe you could let me have the TV's serial number as hardware update notifications on service sheets use that info to indicate when a switch was made.

Regarding the use of the old Virgin box, if you are referring to the original Virgin "Free TV" branded box then its worth giving it a try connected as you have mentioned plus a scart lead coupling between the V box and TV, but its really a hit and miss thing as the tuner spec I have on these only gives the very basic of information and so you might find that it doesnt work for the same reason as your Philips.

By the way, this is a link for one type of scart Freeview receivers I referred to, but there are a few other brands available as well.

Konig Digital Freeview Scart Receiver: Amazon.co.uk: Electronics

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