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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.

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, 28 May 2016
K
KJB
11:03 AM
Reading

KJB: Correction - we have 65 TV channels not 5!

link to this comment
KJB's 2 posts GB
Monday, 30 May 2016
A
Alex
4:01 PM
Iver

Hi,
I can't receive COM7, CH33 in Iver Heath SL0 0PT, although all coverage maps show strong signal. I know 100% that for example Talking Picture channel 81 definitely worked on the same receiver before, now it is gone. I tried all sort of reset/ retuned without cable then tuned again, nothing helped.
My Polaroid HD model DTT 1810 shows no signal on CH33, all other CHs up to 29 have good signal.
Regards,
Alex

link to this comment
Alex's 1 post GB
M
MikeB
sentiment_very_satisfiedPlatinum

11:20 PM

Alex : Whats your signal strength? If the remaining muxes are low, points to the obvious - you've got a problem with your system, and the whole thing is gradually going. Frayed cable, etc most likely reason. Start with the fly lead from the back of the TV - swapping it out is easy, cheap, and might cure it. If not, at least yo know its not that and then you can follow the signal path back.

link to this comment
MikeB's 2,579 posts GB
Tuesday, 31 May 2016
V
Vic
10:23 PM

Well I bought an indoor aerial and can get all the channels perfectly, including several I couldn't even tune in before. Up to 138 odd channels now and it's all working perfectly. Signal quality is much better and occassionally the picture breaks up during bad weather but it;s only for a split second and miles better than the rubbish outdoor aerial that could barely manage the main channels and would often go dead for minutes.

I bought the One4All SV9395 as have had good experience with One4All kit previously. Works great and very happy with the results. Am based in Esher area.

link to this comment
Vic's 4 posts GB
Wednesday, 1 June 2016
MikeP
sentiment_very_satisfiedPlatinum

1:11 PM

Vic:

Knowing the Esher area fairly well having worked from Tolworth, I suspect your 'old' outdoor aerial was faulty or the cabling from it to the TV set was. The signals from Crystal Palace should be received perfectly well by a good aerial system, so I would advise having a contractor examine your outdoor system and correct the faults found. An indoor aerial is not guaranteed to give reliable results.

link to this comment
MikeP's 3,056 posts GB
Thursday, 2 June 2016
R
Richard Cooper
sentiment_satisfiedGold

11:19 AM
Norwich

Alex : Hi Alex in Iver. Are you sure your Freeview receiver or box can decode HD (high definition) signals? I ask because COM7 is an HD multiplex rather than a standard definition (SD) multiplex. Standard definition (SD) receivers will not list HD multiplexes or channels on them when you carry out a service search or retune even if you do a manual tune, because they can't decode HD. You can purchase an HD set-top box for 43 online. I checked myself just the other day when my Freeview HD receiver failed: it simply connects via the HDMI connection to your tv set! Hope this helps, Richard, 11:18, Thursday 2nd June 2016, Norwich.

link to this comment
Richard Cooper's 462 posts GB
V
Vic
4:41 PM

Hi MikeP,

I already connected directly to the aerial from the roof (it runs to a junction box inside the house) and although the picture is perfect there when I tested on the day, it still doesn't pick up half a dozen of the channels. I think the missing channels is because the aerial can't pick them up (I've never been able to tune them in properly) and either needs replacing for a wideband one or is not pointing in the right direction, perhaps because of bad weather knocking them askew. The picture dropping for channels I can receive does point to an internal cable problem but it's so intermittant and erratic that I've not the time or enthusiasm to spend hours trying to figure out what it is. The internal aerial works so much more reliably than the outdoor one with a much higher signal quality that there's no point trying to fix the outdoor one.

Cheers,

Vic

link to this comment
Vic's 4 posts GB
MikeP
sentiment_very_satisfiedPlatinum

7:19 PM

Vic:

When you mention a 'junction box' do you mean an active splitter, a passive splitter or just a join between three or more coaxial cables?

There may be faulty connections inside a 'junction box' and you should double check all joints and connectors are fitted proper. If you are using a passive splitter, with no power supply needed, are all the output cables connected to a TV set? If not, an unconnected cable can give rise to frequency selective reflections within the cable and/or impedence mismatch which can cause you type of problem. Aerials must be connected to a 75 Ohm load, adding a passive splitter with an unconnected cable will change that dramatically! So check that there are no breaks in any of the cables too.

Any aerial for Crystal Palace must be either a Group A type (but not a wide band one, they will not help you) or else a log-periodic (which are wide band coverage) and all with the rods horizontal.



link to this comment
MikeP's 3,056 posts GB
Monday, 6 June 2016
V
Vic
11:54 AM

Hi MikeP,

I mean an active splitter. The aerial runs first to an amplified signal booster (goes from 0 to 20db but changing attentuation makes no difference though) and then from there to a powered active splitter. The splitter is used to feed an aerial connection to several rooms.

I've connected a TV direct to the aerial in three places; before it goes to the booster, after the booster and before the splitter and then finally, directly after one of the splitters. There are still half a dozen channels missing and same results so I don't think it's that.

The wiring was all done professionally but was a long time ago. What I don't get is that the channels will be fine one day (although still a bunch missing - channel 33) and then other times a multiplex will be completely screwed although it always seems to be the same set of multiplexes (channels 22 and 30).

With the indoor aerial, everything works all the time with only very minor interference.

Cheers,

Vic

link to this comment
Vic's 4 posts GB
Wednesday, 8 June 2016
G
Geoff Walker
12:44 PM
Leatherhead

Having reception problems with receiving programs on CH22, CH23 and poor reception on CH29. Have done full retune and now have lost all programs transmitted on those Channels. Post code KT22 8UN

link to this comment
Geoff Walker's 3 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.

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