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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

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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

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 London, 2 BBC Two England, 9 BBC Four, 120 CBBC, 121 CBeebies, 130 BBC News, 131 BBC Parliament, 601 BBC Red Button 1, plus 17 others

PSB2
D3+4
 H max
C26 (514.0MHz)324mDTG-3200,000W
Channel icons
3 ITV (London), 4 Channel 4 London ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 London ads, 14 More4, 15 Film4, 24 ITV4, 28 E4, 33 ITV +1 (London),

PSB3
BBCB
 H max
C30- (545.8MHz)324mDTG-6200,000W
Channel icons
45 Film4 +1, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV London), 104 Channel 4 HD London ads, 105 Channel 5 HD, 123 CBBC HD, 602 BBC Red Button 2, 603 BBC Red Button 3,

COM4
SDN
 H max
C25 (506.0MHz)314mDTG-8200,000W
Channel icons
10 ITV3, 20 Drama, 21 5 USA, 26 ITV Be, 27 ITV 2 +1, 30 5STAR, 34 ITV3 +1, 37 Quest, 44 Channel 5 +1, 55 Channel 5 +24, 58 ITV Be +1, 61 True Entertainment, 62 ITV4 +1, 66 CBS Reality, 70 Horror Channel, 122 CITV, plus 22 others

COM5
ArqA
 H max
C22 (482.0MHz)321mDTG-8200,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Movie Mix, 41 Food Network, 46 Challenge, 48 Movies4Men, 68 truTV, 69 Tru TV +1, 72 YourTV, 126 Tiny Pop, 132 Sky News, plus 18 others

COM6
ArqB
 H max
C28- (529.8MHz)321mDTG-8200,000W
Channel icons
 Al Jazeera English,  BT Sport 1 (not free), 18 4Music, 19 Yesterday, 25 Home, 31 Spike, 38 Quest +1, 42 Travel Channel, 47 4seven, 59 BT Showcase (not free), 63 Community Channel, 64 CBS Action, 73 YourTV +1, 84 Dave ja vu, plus 19 others

LW
 H -10dB
C29 (538.0MHz)324mDTG-1220,000W
Channel icons
from 31st March 2014: 8 LONDON LIVE, plus 1 others

com7
 H -6.7dB
C33 (570.0MHz)324mDTG-643,100W
Channel icons
 Buz Muzik, 57 VIVA, 67 CBS Reality +1, 71 CBS Drama, 78 5USA +1, 81 Talking Pictures TV, 86 Vintage TV, 87 Keep It Country, 106 BBC Four HD, 107 BBC News HD, 108 Al Jazeera Eng HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD, 124 CBeebies HD, 134 Al Jazeera Arabic, plus 4 others

com8
 H -7dB
C35 (586.0MHz)324mDTG-639,800W
Channel icons
plus 2 others



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
to BBC London region - 55 masts.
regional news image
ITV London News 4.9m homes 18.4%
from London WC1X 8XZ, 11km north-northwest
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?

years1950s~851984-971997-981998-20122012-132013-182013-18
aerial groupVHFA KA KA KA KA KA K
C1BBCtv
C22-2ArqAArqAArqA
C23ITVITVITVBBCABBCABBCA
C25-1SDNSDNSDN
C26BBC1BBC1BBC1D3+4D3+4D3+4
C28-B-ArqB-ArqB-ArqB
C29-DLW
C30C4C4C4-BBCB-BBCB-BBCB
600C32-A
C33BBC2BBC2BBC2com7
C34+C
C35com8

orange background for multiplexes names more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: possible 4G in 2019 more
600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 4th April and 18th April 2012.

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
PreDSO-BBCB*(-20dB) 10kW

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
Thursday, 2 June 2016
MikeP
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
MikeP's 985 posts Gold Gold 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
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
Geoff Walker's 3 posts GB
Geoff's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
Thursday, 11 August 2016
A
Alex Android
10:23 PM St. Albans

Andrew: AL3 5PP loft Televes DAT45 with powered masthead 5050 MRD gets good signal strength and quality from Crystal Palace for HD channels 101, 102, 103, etc, but not al Jazeera HD channel 108 (COM7). What aerial(s) could get COM7 and COM8 multiplexes for me? Thanks for any advice.


link to this
Alex Android's 1 post GB
Alex's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
M
MikeB
10:37 PM

Alex Android: What do you mean by 'good signal and quality'? We need numbers. And if you getting BBC 4 HD and BBC News HD fine, you should be getting AJ fine as well - they are all Com 7

link to this
MikeB's 1,861 posts Gold Gold GB
Thursday, 18 August 2016
Transmitter engineering
5:31 PM

CRYSTAL PALACE transmitter - LW: Radio 4 MF Off Air from 10:34 today to 10:45 today. [BBC]

link to this
Transmitter engineering's 109,481 posts Owner Owner xx
Friday, 19 August 2016
Transmitter engineering
5:31 AM

CRYSTAL PALACE transmitter - LW: Radio 4 MF Off Air from 10:34 yesterday to 10:45 yesterday. [BBC]

link to this
Transmitter engineering's 109,481 posts Owner Owner xx
Saturday, 20 August 2016
Transmitter engineering
5:31 AM

CRYSTAL PALACE transmitter - LW: Radio 4 MF Off Air from 10:34 on 18 Aug to 10:45 on 18 Aug. [BBC]

link to this
Transmitter engineering's 109,481 posts Owner Owner xx
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