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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-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),

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 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

COM5
ArqA
 H max
C22 (482.0MHz)321mDTG-8200,000W
Channel icons
11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

COM6
ArqB
 H max
C28- (529.8MHz)321mDTG-8200,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 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, 3 March 2012
Transmitter engineering
sentiment_very_satisfiedOwner

9:28 AM

CRYSTAL PALACE transmitter - Analogue BBC ONE Weak Signal from 07:53 on 29 Feb to 16:39 on 29 Feb BBC ONE Weak Signal from 17:18 on 27 Feb to 07:57 on 28 Feb BBC ONE Weak Signal from 17:37 on 28 Feb to 07:53 on 29 Feb BBC ONE Weak Signal from 07:57 on 28 Feb to 17:35 on 28 Feb BBC TWO Weak Si [BBC] Over the next week Crystal Palace main transmitter: TV (analogue) Possible weak signal, TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]

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Transmitter engineering's 149,799 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

10:30 AM

CRYSTAL PALACE transmitter - Analogue BBC ONE Weak Signal from 09:01 today BBC ONE Weak Signal from 07:53 on 29 Feb to 16:39 on 29 Feb BBC ONE Weak Signal from 17:18 on 27 Feb to 07:57 on 28 Feb BBC ONE Weak Signal from 17:37 on 28 Feb to 07:53 on 29 Feb BBC ONE Weak Signal from 07:57 on 28 F [BBC] Over the next week Crystal Palace main transmitter: TV (analogue) Possible weak signal, TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]

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Transmitter engineering's 149,799 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

10:30 AM

CRYSTAL PALACE transmitter - Analogue BBC ONE Weak Signal from 09:01 today BBC ONE Weak Signal from 07:53 on 29 Feb to 16:39 on 29 Feb BBC ONE Weak Signal from 17:18 on 27 Feb to 07:57 on 28 Feb BBC ONE Weak Signal from 17:37 on 28 Feb to 07:53 on 29 Feb BBC ONE Weak Signal from 07:57 on 28 F [BBC] Over the next week Crystal Palace main transmitter: TV (analogue) Possible weak signal, TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]

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Transmitter engineering's 149,799 posts xx flag
M
Martin Rosen
sentiment_satisfiedBronze

12:03 PM

Hi. I am living in London (Crystal Palace transmitter). I recently bought a digital tv with Freeview and it brought in 115 channels.

Yesterday I purchased Digital recorder and it has only '83' channels. Those that are missing include the HD channels.

Any thoughts?

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Martin Rosen's 83 posts GB flag
F
FJC Farrar
sentiment_satisfiedBronze

12:06 PM
Camberley

Graham: Whatever the reasons for your now poor Freeview reception; you are almost bound to be OK after the main switchover which will take signals well above threshold. Unless you live at the topographically High end of Camberley; your Freeview signal right now is at best likely to be barely large enough & will be susceptible to every conceivable cause of drop-out or channel loss.

David: I agree that reporting absolutely definite, confirmed transmitter faults or questioning their possibilty continue as always to be like talking to the dead. It is virtually impossible to connect with anybody who has the slightest idea what they are talking about - which is infuriating. Nevertheless I still think it is premature to pursue your issue unless the technical problems persist after the Switchover process is completed & may even divert attention away from matters much worse than official obfuscation.

Tim: I do hope when you say the installer removed your Aunt's PVR, this didn't mean he took it away (ie stole it). Such schemes sadly have plenty of potential for rip-offs.

link to this comment
FJC Farrar's 25 posts GB flag
FJC's: mapF's Freeview map terrainF's terrain plot wavesF's frequency data F's Freeview Detailed Coverage
F
FJC Farrar
sentiment_satisfiedBronze

1:00 PM
Camberley

Interference: DTV is inherently less susceptible than Analog. However DTV receivers & PVRs have much greater flat-out sensitivities than Analog TVs & CAN work well with signals only a fraction of a microvolt. However, we are surrounded with a whole world of things splurging out RF, and in lowish signal situations, these (such harmonics from a nearby pub's tills & fruit machines etc) can very easily produce in-band signals much larger than the TV signal. This has the effect of swamping DTV receivers by turning down their sensitivity by AGC action. So an interfering signal which in itself would not affect DTV reception simply "deafens" the receiver to the wanted DTV signals. Even the existing massive analog signals can "deafen" DTV receivers in this way.
Because DTV is "all or nothing" & atmospheric conditions also vary the received TV signal a bit; reception already affected by interference can be variably lost with weakest MUXes/channels most to be lost.
When transmitter powers substantially increase after switchover & the analog signals disappear; DTV receivers find the wanted signals are much larger compared with all interfering signals - the interference is then submerged under the TV signal. Everything in the garden is then lovely......
UNLESS the new big signal just too much for sensitive DTV receivers - simply cured with attenuators but will surely trap the unwary.

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FJC Farrar's 25 posts GB flag
FJC's: mapF's Freeview map terrainF's terrain plot wavesF's frequency data F's Freeview Detailed Coverage
D
David
1:37 PM

I have just done another re-scan (at approx 13:25 on 3rd March) and pulled in 111 channels instead of the 53 I was getting previously. How long this will last until the switchover is complete is anyone's guess. As FJC Farrer warned in an earlier post, signal levels can be up and down like a fiddler's elbow, and that has certainly been my experience.

I will pursue the issue regarding lack of information and accountability, however, because we should have been kept properly informed about what was happening. As usual, the people at the receiving end of a service are being made to serve the needs of the bureaucracy who are running it.

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David's 7 posts GB flag
F
FJC Farrar
sentiment_satisfiedBronze

4:42 PM
Camberley

David: Best of luck. I fear your quest is fighting against the tide of an endemic cost-cutting Call-Centre Approach to everything:

Decent but deliberately totally untutored staff are cheaply employed to give human voice to FAQ & the blindingly obvious - confined by rigidly controlled scripts which sadly often force them to appear to be high-functioning cretins. They are also very forcefully discouraged from escalating anything to "waste the time" of a minimised number of expensive technicians & experts who - perhaps I am being cynical in suggesting this - could blurt out unpalatable or actionable truths whilst addressing genuine enquiries. Websites erect barriers/obscure useful contact information for similar reasons.

This has to be almost impossible to rectify. It has spread because it successfully & cheaply copes with a numeric majority of issues, which organisations can then loudly boast about - leaving only the detailed or major problems of a minority whose effect on the balance sheet is diddly-squat.

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FJC Farrar's 25 posts GB flag
FJC's: mapF's Freeview map terrainF's terrain plot wavesF's frequency data F's Freeview Detailed Coverage
M
Mr G Hyman
11:21 PM

My digital freeview channels have all gone.
I live in London NW5.
I have done full resets and rescans several times.

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Mr G Hyman's 1 post GB flag
Sunday, 4 March 2012
Transmitter engineering
sentiment_very_satisfiedOwner

4:31 AM

CRYSTAL PALACE transmitter - Analogue BBC ONE Weak Signal from 09:01 yesterday BBC ONE Weak Signal from 07:53 on 29 Feb to 16:39 on 29 Feb BBC ONE Weak Signal from 17:37 on 28 Feb to 07:53 on 29 Feb BBC TWO Weak Signal from 09:03 yesterday BBC TWO Weak Signal from 07:53 on 29 Feb to 16:37 on [BBC] Over the next week Crystal Palace main transmitter: TV (analogue) Possible weak signal, TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]

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Transmitter engineering's 149,799 posts xx flag
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