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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 (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 ITV +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 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, 1 October 2011
D
David Linkson
1:41 PM
Croydon

Hi,
My HD channels have fluctuating quality strength, standard freeview signal is very good at New Addington.
I have a loft aerial and have tweaked it's direction and checked connections,but to no avail, do I need a signal booster? any suggestions please.
David.

link to this comment
David Linkson's 1 post GB
J
jb38
sentiment_very_satisfiedPlatinum

5:10 PM

David Linkson: I would have a try at repositioning your aerial within the loft, as in many cases even moving it a few feet either way can prove to be very beneficial, that is provided you have some means of monitoring what's happening during the movement of the aerial.

However another possible reason exists for your problem, that being interference from Sandy's temporary use of transmission on Mux Ch31, this being the same frequency as used by the Crystal Palace HD service.

Although admittedly its usually people who reside to the North of London that can be plagued by this, the signal from Sandy could be fluctuating due to the atmospheric conditions prevailing and causing it to rise to a level that has started to affect reception in your area.

There really isn't anything you can do to rectify this situation, as any alterations to the aerial would also assist the station that's causing the problem.



link to this comment
jb38's 7,179 posts GB
B
Bob Smith
7:59 PM

Matt,

Thanks for reply. Sorry but didn't make things clear in my post. Both TV's have their own aerial. One pointed to Sudbury. The other (with the problem) and a Freeview box to C. Palace.

Postcode : CM1 6J* (1st 5 chrs)
(Springfield area of Chelmsford)

Believe what is happening (again today) is high quality Sudbury channels in 800 series + 301 Red button being picked up from C. Palace aerial - ? if transmitted from C. Palace for testing prior to C/over in 2012.

These then removed in early hours i/c 301. Believe Sudbury 301 overwrites C. Palace 301 in my Freeview box. Then removed when Sudbury channels removed. Leaving no C. Palace 301 in my Freeview box.

I manually add channel 301 each morning and it stays all day.

Bob


link to this comment
Bob Smith's 6 posts GB
Sunday, 2 October 2011
M
Matt
sentiment_satisfiedSilver

9:18 AM

Do you have a wideband aerial? If so, it is quite possible that the aerial's front to back ratio is not very good. In other words, it can pick up quite a lot of signal from the back.

You could be better off with the one aerial on Sudbury with a 2 way amplifier/splitter feeding both televisions.

What channels end up in the 800s? Which signals are the most reliable?

link to this comment
Matt's 101 posts GB
Monday, 3 October 2011
B
Bob Smith
11:04 AM

Matt,

Thanks...

Possibility it's my aerial - it's wideband and over 20 years old - so will renew if needed - problems only started a couple of weeks ago.

Doubt if I'll go for an amplifier / splitter as it will require a lot of cabling.

At 0900 today did a Auto Channel search on my "London" TV with Freeview box. Picked up 23 "East Anglia" channels in the 800 series - all Ch 41 & Ch 44 with good quality signals.
(At 11.00 the 800 series still there)

Then plugged my other TV into the "London" aerial this morning and did a new channel search. Same result as above.

Bob

link to this comment
Bob Smith's 6 posts GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

12:19 PM

Mark Heselden: The boundaries between this site's predicted 'best' area for one transmitter and another are fairly arbitrary and probably wrong - like most of the predictions, because far too much of the information is kept private by the broadcasters/transmitter owner.

In this case, it's because the coverage area is divided - by the tool that generated the map - between Crystal Palace and Croydon. Croydon only normally transmits Channel 5, although in a dire emergency it can transmit the main four analogue channels (Crystal Palace's own reserve antenna and transmitters would have to fail first). So this line is completely erroneous.

There's an analogue coverage area map dating from the 1980s at mb21 - Transmitter Information - Crystal Palace - this was measured, rather than predicted. Post-DSO digital TV coverage should be substantially similar.

link to this comment
Mike Dimmick's 2,486 posts GB
C
Clive Jenner
3:21 PM

Hi I have a Humax PVR9200T on the Crystal Palace mast. For the last week or two I have had a nag message advising of the need to retune when first switching on the PVR from standby each morning. Having taken advice from Humax I have done a retune automatically and also manually using the Crystal Palace channels. Humax are at a loss as they cannot understand why I still get the retune nag message! Any one on here suffering the same problem? Regards Clive

link to this comment
Clive Jenner's 2 posts GB
B
Bob Smith
4:33 PM

Matt,

Ref. my earlier post today...

The 800 series channels on my "London" TV had been removed by 13.00 together with 301 "Red Button" - the latter I added manually.

Bob

link to this comment
Bob Smith's 6 posts GB
M
Mark Heselden
sentiment_satisfiedBronze

7:23 PM

Mike Dimmick: Very good map. Thanks, Mike. (51.14,-000.04) 

link to this comment
Mark Heselden's 21 posts GB
M
Matt
sentiment_satisfiedSilver

7:32 PM

Bob: You either have to buy channel filters to only allow one transmitter through. A - E Masthead Combiner / Diplexer is one. For sudbury only, put the cable into the E socket and the output wire into the com. For crystal palace only, you should plug the aerial into the A section.

Or- build a stacked array to phase cancel the other signals. Personally, I think option 1 will be easier.

link to this comment
Matt's 101 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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