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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

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.

 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, 250 BBC Red Button, plus 15 others

 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),

 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, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

 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! Movies Action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 69 HorrorXtra, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 91 WildEarth, 203 CITV, 208 Pop Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 16 others

 H max
C22 (482.0MHz)321mDTG-8200,000W
Channel icons
 Smithsonian Channel, 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, 60 Drama +1, 70 Quest +1, 71 That's 60s, 74 Yesterday +1, 75 That's 70s, 233 Sky News, plus 9 others

 H max
C28- (529.8MHz)321mDTG-8200,000W
Channel icons
 Quest Red +1,  Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 73 HobbyMaker, 76 That's 80s, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 90 Together TV +1, 235 Al Jazeera Eng, plus 19 others

 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

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.

Wednesday, 8 July 2020

5:59 AM

James Bevan: I think you may need to "map all services" to get them on LCNs. See the screenshot:

Imgur: The magic of the Internet

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js's 819 posts DE flag
James Bevan
6:50 AM

js: Appreciate the pointer, thanks - same result unfortunately now but yes previously this was a necessary step. I can only suppose the problem is lower down the stack as w_scan2 also reports the LCNs as null/zero, and it's the same for both tvheadend/w_scan2 on a different tuner type. No doubt my ignorance is a factor here, happy to take this thread offline if you're willing to pursue it as well?

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James Bevan's 6 posts GB flag
Monday, 13 July 2020
James Bevan
7:34 AM

Potentially not just me then:

No LCN since freeview reshuffle | AVForums

Is there some technical body responsible for the broadcast I could take this up with?

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James Bevan's 6 posts GB flag
Thursday, 16 July 2020
Robert Hellier

3:24 AM

I have done a retune again find Come 7/8 is back..... whats going on.... i wish i knew which transmitter its coming from as i have london via Crystal Palace and Meridian from Oxford transmitter
I am in Reading RG8 8DB you will see i an right on the edge on both transmitters


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Robert Hellier's 171 posts GB flag
Robert's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage

7:02 AM

Robert Hellier:

According to the Freeview Detailed Coverage Checker you are 68km from Crystal Palace, 24km from Hannington, 36km from Oxford (and 64km from the quite low powered Reigate transmitter - no COM7). Those 3 main transmitters are horizontal polarisation whereas Reigate is vertical polarisation.

It will of course depend on which way your aerial is pointing (and what it is) as to what you are actually picking up off the main beam and maybe some side-lobes/rear of aerial. From you, bearings are as follows -
Crystal Palace is 94 degrees, that's fractionally S of due E, Hannington is 214 degrees, that's slightly S of SW, Oxford is 344 degrees, that's slightly N of NNW. (Reigate is 112 degrees, ~ESE).

Neither the Freeview Detailed Coverage Checker nor the BBC predictor show any reception from Oxford (presumably terrain, but that doesn't mean you won't get any signal!), other than that predicted reception of the 6 main muxes does vary slightly across your postcode, with overall Crystal Palace & Hannington being similar BUT no predicted reception of COM7 (C55) from Crystal Palace, but there is from Hannington which can be Good to Variable.
Note Hannington and Oxford supposedly transmit the same ITV Meridian Local news, whereas the BBC Local news should be Oxford from the Oxford transmitter and South Today from Hannington.

In the order PSBs1-3, COMs4-7, Local multiplexes, the UHF channels are as follows
Crystal Palace C23, C26, C30, C25, C22, C28, C55, C35 (London Local mux)
Hannington C45, C42, C39, C40, C43, C46, C55, C34 (Reading Local Mux)
Oxford C41, C44, C47, C29, C37, C31, C55, C22 (Oxford Local mux)

Oxford COM7 is lower power than Hannington. Crystal Palace being the highest (but no predicted reception!)
Note, Arqiva closed COM8 in June for Commercial reasons, see Rebuilding Freeview High Definition from 2019 onwards | free and easy

I'd think that you are most likely getting COM7 C55 from Hannington, but I repeat it depends on what your aerial is and which way it's pointing.

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Chris.SE's 3,683 posts GB flag

7:13 AM

Robert Hellier:

Had meant to include a remark that reception can of course be affected by some weather conditions. There is predictions at the weekend for some quite strong "Tropospheric Ducting" (see Effect of tropospheric ducting on Freeview | RTIS and How does good weather affect my television? | RTIS ). It's not just reflections of signals, they can travel along what is like a tunnel in a layer of atmosphere.
So there could well be some disruption to reception coming up.

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Chris.SE's 3,683 posts GB flag

7:18 AM

There is a slightly better explanation of Tropospheric Ducting at Tropospheric Ducting: Everything You Need to Know

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Chris.SE's 3,683 posts GB flag

7:20 AM

The BBC used to post this image (I'll stop looking now!)….jpg

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Chris.SE's 3,683 posts GB flag
Thursday, 30 July 2020
10:29 PM

ucyrqsibbd: anyone got signal trouble in Great Yarmouth

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Dave's 2 posts GB flag

10:47 PM

Dave: You'd be better off posting on the Great Yarmouth page, as this is the page for the Crystal Palace transmitter in London.

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StevensOnln1's 3,550 posts GB flag
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