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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
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, 12 Quest, 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
Friday, 2 September 2011
M
Matt
sentiment_satisfiedSilver

6:42 PM

Mux 2 on ch 22 and Mux C appears to have gone weaker than normal. All the other channels are working as normal. Could this be similar to BBC 2 being weak>?

link to this comment
Matt's 101 posts GB
Saturday, 3 September 2011
R
Rob Laskey
9:52 AM

Jeff:
Thanks for the info. It seems to answer the fact that I have lost my HD channels on two pieces of equipment despite the other signals remaining the same power. I can pick up Sandy Heath on a separate aerial but despite several scans it too ignores HD channels (ch 21+)I believe. I'll have another go. A bit of a pain as it was only a week ago I bought an HD box for Freeview. Worse things happen at sea I guess ;-)
Don't suppose anyone will listen if we complain. Imaging we'll be told to wait.
Robl

link to this comment
Rob Laskey's 3 posts GB
J
James
11:58 AM
London

I cannot get channels such as ITV, Channel 4, Channel 5, is this because of the low power ratings due to the engineering works?

I use a normal room aerial, they used to work perfectly.

link to this comment
James's 6 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

1:42 PM

James: Well it could possibly be, as work is on going there all the time, with any unexpected reductions in power usually only found out about after they happen,(if reported!) although at only 3 miles away from the transmitter it must really be down, unless as I suspect, your signal level wasn't that much above the cut off threshold in the first place, any slight reductions in power having more of a dramatic effect in this type of situation.

link to this comment
jb38's 7,179 posts GB
J
James
3:40 PM
London

Do you know whether the power will be back on maximum any time soon?

Or how long these engineering works will take?

Not sure what to do in this situation.

link to this comment
James's 6 posts GB
J
James
3:41 PM
London

And it does also seem to say that mux 2 and a to be on low power.

I would hope that, that's the problem.

link to this comment
James's 6 posts GB
Jeff
4:27 PM
Harpenden

I have put a old group A aerial in the loft pointing roughly at Sandy Heath and have got channel 21+ (HD TV) OK. So a manual retune and active combiner later and all is now working fine. The other Sandy Heath channels 24/27 are poor quality, channel 31 is nil, channels 40 and 67 no signal from the group A aerial!. So just a few 800 series programmes to be ignored/deleted.

link to this comment
Jeff's 3 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

5:21 PM

James: Well its anyone's guess! as this will happen as and when necessary, as its not exactly abnormal when pre switchover work is going on.

What you should do though is to keep checking the signal level on Mux Ch22, that being the multiplex you are referring to, signal level / quality indications accessed within the receiving devices tuning menu..

It should be appreciated though that even although it might vanish from your screen its only because it has dropped under the reception threshold of your equipment, and is still being received. (unless the transmitter has been shut down)

link to this comment
jb38's 7,179 posts GB
M
mikip
6:33 PM

any idea when the signal quality of C22 is likely to improve?

link to this comment
mikip's 2 posts GB
T
Tom
7:32 PM

Here in Luton, the Crystal Palace HD channels have been gone completely for a couple of days. I have been receiving it fine for over 1 year, but a couple of days ago CH31 had a high signal strength but very poor signal quality, but now CH31 has zero signal strength. I suspect that a Sandy Heath mux moved to the same frequency (CH31) causing the high signal strength but low signal quality. Now it looks like both have been turned off.
But I see no mention of it on here. Yet other people on this link are reporting the same thing: Freeview HD Channels Gone | AVForums.com - UK Online


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Tom's 1 post GB
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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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