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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.

Are there any planned engineering works or unexpected transmitter faults on the Crystal Palace (Greater London, England) mast?

CRYSTAL PALACE transmitter - DAB: Slightly reduced power due to a fault from 2 Dec 12:01 until 2 Dec 19:05. . FM: Slightly reduced power due to a fault from 2 Dec 12:01 until 2 Dec 19:05. . BBC


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 (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, 25 ITV4, 30 E4 +1, 35 ITV +1 (London),

PSB3
BBCB
 H max
C48- (689.8MHz)324mDTG-6200,000W
Channel icons
73 Shopping Quarter , 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, 204 CBBC HD, plus 1 others

COM4
SDN
 H max
C25 (506.0MHz)314mDTG-8200,000W
Channel icons
 CCXTV, 12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 42 GREAT! movies action, 45 Channel 5 +1, 56 5SELECT, 58 ITVBe +1, 59 ITV3 +1, 60 ITV4 +1, 64 Blaze, 67 CBS Reality, 68 Horror Channel, 74 Drama +1, 78 TCC, 81 Blaze +1, 203 CITV, 211 Ketchup TV, 212 YAAAS!, plus 16 others

COM5
ArqA
 H max
C22 (482.0MHz)321mDTG-8200,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 4Music, 36 pick, 40 Quest Red, 43 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 57 Smithsonian Channel, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H max
C28- (529.8MHz)321mDTG-8200,000W
Channel icons
25 Dave ja vu, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 41 CBS Justice, 44 HGTV, 68 CBS Drama, 82 Talking Pictures TV, 84 PBS America, 234 RT, 235 Aljazeera English, plus 17 others

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

com7
 H -6.7dB
C55 (746.0MHz)324mDTG-643,100W
Channel icons
 Together TV +1,  Merit,  Court TV, 65 FreeSports, 71 Quest Red +1, 76 Now 70s, 86 More4 +1, 87 PBS America +1, 91 That's TV , 96 Forces TV, 106 BBC Four HD, 107 BBC News HD, 113 RT HD, 114 Quest HD, 205 CBeebies HD, 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 (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-BBCB
C33BBC2wavesBBC2wavesBBC2wavescom7
C35com8
C48BBCB
C55tv_offcom7tv_off
C56tv_offCOM8tv_off

tv_off Being removed from Freeview (for 5G use) after November 2020 - 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
Thursday, 5 April 2012
Dave Lindsay
sentiment_very_satisfiedPlatinum

7:26 PM

Martyn Smith: From the description of the fact that you have turned your aerial away from where it used to face I suspect that your aerial is way OTT which is overloading your tuner.

Before switchover the power of Crystal Palace was/is 20kW. Where line of sight to the transmitter is good, a small set-top aerial is likely to be sufficient.

I used a non-powered set-top aerial at 25 miles from Emley Moor before switchover when transmission power was only 10kW. This worked quite well. I have one of these Labgear aerials:

Set Top Aerial Labgear | eBay

The fact that signal quality is so low may have come about due to the signal level being way too high for what the TV can cope with. It's a bit like turning up your hifi to full blast and then amplifying it a bit more. The outcome is total distortion which could explain the poor signal quality in your case.

link to this comment
Dave Lindsay's 5,724 posts GB
B
Big Mart
sentiment_satisfiedBronze

10:41 PM
London

Dave Lindsay: Thank you for your reply of 4 April at 6.45pm. You are right the 14 extra channels are duplicates on 800+ Will they disappear on second switchover date?

The HD channels were seriously breaking up during the day today. I wanted to record a couple of programmes for earlier this evening, but didn't risk HD. However, having come home and checked the HD channels they are now perfect. Does night-time make any difference.

I don't understand muxes or how to determine which channels programmes are on, other than channel 1 for BBC1, channel 2 for BBC2 etc !!!

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Big Mart's 83 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

11:20 PM

Big Mart: Yes, they will disappear at the second switchover.

I'm not too sure whether different times of day makes a great difference. Evidently you're on the margin for HD channels which, BTW, before switchover are on lower power than standard definition channels and therefore have a smaller footprint of coverage.

After switchover all channels are on the same power.

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Dave Lindsay's 5,724 posts GB
Friday, 6 April 2012
P
Peter Suthers
11:37 AM

The channel list above shows channel Nos until 4th April, the what they will be from the 18th April. But does not tell us what they will be from 4th to 18th.
I have found that even though I re-tuned my PC based Freeview recorder, none of the progams in my timer list have been recorded since 3rd April, I suspect this is because several TV & radio channels now appear twice in my EPG.

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Peter Suthers's 5 posts GB
C
Chris K
5:14 PM

I dont understand why they just didnt do switch on a single date. All this business of giving people time to get a set top box is stupid, as they have had years to do it allready.

As usual in the UK the majority have to be inconvieneced to accomodate the few( if any) who have not prepaired.

link to this comment
Chris K's 1 post GB
R
Rob Davis
8:14 PM

Anyone else having problems with a slingbox post April 4th? I have lost half of the BBC Mux (No BBC2/News etc but can get BBC1). If I change the country to Italy (or another random DVB-T country) the whole multiplex comes in but I lose my Freeview channel numbers..

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Rob Davis's 2 posts US
C
Chris
9:36 PM

Can someone please explain the status of the MUX PSB3/BBCB, please? (See above). Is it transmitting at "Very low" or "Maximum" power? I don't see how it could be transmitting at both.

link to this comment
Chris's 15 posts GB
V
Vincei
9:57 PM

BBC2 disappeared from my slingbox lineup in the last 24 hours after my buddy in the UK told me to retune using the digital input. I'm more than frustrated and I'm desperately seeking a solution.

Vince
CT, USA

link to this comment
Vincei's 1 post US
J
jb38
sentiment_very_satisfiedPlatinum

11:14 PM

Chris: If you are referring to Crystal Palaces Freeview HD service then its presently only operating on 10Kw but will be switching to 200Kw on the 18th of this month.

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jb38's 7,179 posts GB
P
Philip Wylie
11:41 PM
Beckenham

Live in Beckenham in block of flats with rooftop aerial.
BR3 4HY. Today bought Humax HDR-FOX T2 box and HD very flaky. Signal only 55% and almost direct line of sight.
Is there a reduction in signal power to Freeview durung the changeover period 4-18 April?

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Philip Wylie's 1 post GB
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