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

first published this on - UK Free TV
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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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Crystal Palace (Greater London, England) transmitter.

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-3200,000W
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, 250 BBC Red Button, plus 15 others

PSB2
D3+4
 H max
C26 (514.0MHz)324mDTG-3200,000W
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, 30 E4 +1, 35 ITV1 +1 (London),

PSB3
BBCB
 H max
C30- (545.8MHz)324mDTG-6200,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 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

COM4
SDN
 H max
C25 (506.0MHz)314mDTG-8200,000W
Channel icons
12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 POP MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

COM5
ArqA
 H max
C22 (482.0MHz)321mDTG-8200,000W
Channel icons
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, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 8 others

COM6
ArqB
 H max
C28- (529.8MHz)321mDTG-8200,000W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Aljazeera English, plus 19 others

LW
 H -10dB
C35 (586.0MHz)324mDTG-1220,000W
Channel icons
from 31st March 2014: 8 LONDON LIVE,

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
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, 11km north-northwest (334°)
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, 5 May 2012
N
NICK ADSL UK
sentiment_satisfiedBronze

2:38 PM

The latest update from crawley on freeview is that all is now stable and I'm not hearing of anyone with a reception problem from CP OR Reigate

link to this comment
NICK ADSL UK's 72 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

2:41 PM

Big Mart: Yes you are correct about the coax plugs, as the jumper from the wall socket will have male coax plugs at each end, I suppose I forgot about the fact that I always go around armed with a multitude of couplers for all sorts of applications.

Regarding the set top aerial, I wasn't really advocating that you purchase one but just mentioned it in case you could borrow it from someone, but you can even do the test using a short piece of wire of of about 12" minimum pushed into the inner part of your aerial socket, as should any strong signals be in existance at your location then a piece of wire will pick something up.

I do though have a feeling that you might well be receiving a defective signal from the communal aerial system distribution amplifier, and with this being the reason for your limited success in getting over the problem.

link to this comment
jb38's 7,179 posts GB
B
Big Mart
sentiment_satisfiedBronze

4:01 PM
London

jb38: I will try the long wire!

Would I get a defective signal on just the HD channels? As I said all the others seem to be okay.

link to this comment
Big Mart's 83 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

5:53 PM

Big Mart: Yes, as HD is more critical than SD to signals that are less than perfect, this being why that its usually always found that just after any station has switched over to high powered operation that a number of people complain that rather than their situation having improved, that they have now either completely lost their HD reception or that their picture has started to suffer from periods of freezing / pixelation etc, and as just like in your own case SD being reported as OK.

It should be pointed out, that whether it be HD or SD these type of symptoms are the forerunner to the picture disappearing altogether, this being caused by the tuner being swamped by excessive RF levels, this causing its input voltage tolerance range to be exceeded.



link to this comment
jb38's 7,179 posts GB
B
Big Mart
sentiment_satisfiedBronze

6:07 PM
London

jd38: Are you saying that my SD channels on the digital recorder are likely to disappear or just the HD ones?

link to this comment
Big Mart's 83 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

6:08 PM

jb38: Is an excessive level of signal likely to cause damage to the tuner? Or does it only happen in extreme cases?

Where it does happen, does this happen instantly or is it a matter of time? Or in general it is both, depending on how extreme it is?

link to this comment
Dave Lindsay's 5,724 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

8:26 PM

Dave Lindsay: No, and not in an extreme case either, as even with an excessively high level of signal that can obliterate reception by swamping the tuners input / oscillator mixer circuitry with will still only represent a fraction of the voltage that would be necessary to damage the tuners input / mixer transistors (i.e: micro/milli volts v/s volts) and a tuners input is usually protected against these type of excesses anyway, and with the only reason it creates havoc in a tuner is that the tuner becomes unstable and corrupts / destroys the data being carried in the signal thereby leaving virtually nothing to decode just like a dead carrier, the reason why no quality is seen indicated when a strength / quality check is made.



link to this comment
jb38's 7,179 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

8:42 PM

Big Mart: No, and especially so in your case, as whatever is causing your problem has to be at a level that's just causing the difficulty and no more, and if you have a negative result from your short piece of wire test then its inclined to indicate that the problem could be being caused before it reaches you, and possibly in the communal aerials distribution amplifier system.

This being said though, its a pity that you cant verify your HDT500's performance at another location, as when dealing with problems such as yours actual tests being made on-site using different pieces of equipment can rapidly determine where a fault is located.



link to this comment
jb38's 7,179 posts GB
Sunday, 6 May 2012
H
hunny
12:51 AM
London

Freeview scrambled after switchover

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Hi,
If anybody could help me. I've been having problems with my Freeview since couple of days before the switchover. I have HUMAX F2-FOX T Box that had been working for 5 years then it just gives me scrambled pictures after the switchover. I live in E14 area which is getting signal from Crystal Palace. I have tried every possibilities, including new internal amplified aerial (Im using outdoor aerial), antenna attenuator (thought the signal was too strong), new freeview box (thought my old one was outdated and need a new one since switchover), new coaxial cables, moved the aerial around, manually and automatically retuned my freeview box for several times now, unfortunately none of those attemps was making any changes to it. my tv still scrambled, then at the end shows no pictures at all (shows 'no or bad signals' and 'this picture is scrambled or not available'). I open up the signal detection on the box it shows around 60-80% strength, but the quality is 0-10% only. this really bugs me because it just happened like that, I never touched anything on the box/tv/aerial before the switchover and was working perfectly until now. Havent been able to watch tv for 1 month now and its really frustrating as I have tried everything but no good outcome.
any suggestions?

link to this comment
hunny's 3 posts GB
M
Mark Fletcher
sentiment_satisfiedGold

1:02 AM
Halifax

Hunny,London.You must be suffering with too much signal,try a set-top aerial or a piece of wire or even a coathanger and se if that makes any difference.Also did you actually try a Freeview reset procedure prior to your several retunes beforehand that you stated ?

link to this comment
Mark Fletcher's 673 posts GB
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Your comment please
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.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

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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