Full Freeview on the Crystal Palace (Greater London, England) transmitter
Brian Butterworth first published this on - UK Free TV
Google Streetview | Google map | Bing map | Google Earth | 51.424,-0.076 or 51°25'26"N 0°4'32"W | SE19 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.
Are there any planned engineering works or unexpected transmitter faults on the Crystal Palace (Greater London, England) mast?
CRYSTAL PALACE transmitter - AM: Radio 4 on MW has now closed. Please retune to FM, Digital Radio, digital TV, BBC Sounds or smart speakers to continue listening. More information can be found on the front page of this Reception Advice website. from 15 Apr 00:00. .
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
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 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.
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?
BBC London 4.9m homes 18.4%
from London W1A 1AA, 12km north-northwest (335°)
to BBC London region - 55 masts.
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 Athletic | Transposer | Redeveloped north stand Charlton Athletic Football Club | 130 homes |
Deptford | Transposer | south-east London | 100 homes |
Greenford | Transposer | 12 km N Heathrow Airport | 203 homes |
Hendon | Transposer | Graham Park estate | 50 homes |
White City | Transposer | 9 km W central London | 80 homes |
How will the Crystal Palace (Greater London, England) transmission frequencies change over time?
1950s-80s | 1984-97 | 1997-98 | 1998-2012 | 2012-13 | 21 Mar 2018 | ||||
VHF | A K T | A K T | A K T | A K T | W T | ||||
C1 | BBCtvwaves | ||||||||
C22 | ArqA | ArqA | |||||||
C23 | ITVwaves | ITVwaves | ITVwaves | BBCA | BBCA | ||||
C25 | SDN | SDN | |||||||
C26 | BBC1waves | BBC1waves | BBC1waves | D3+4 | D3+4 | ||||
C28 | -ArqB | ArqB | |||||||
C29 | LW | ||||||||
C30 | C4waves | C4waves | C4waves | -BBCB | BBCB | ||||
C33 | BBC2waves | BBC2waves | BBC2waves | com7 | |||||
C35 | com8 | ||||||||
C55tv_off | com7tv_off | ||||||||
C56tv_off | COM8tv_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 |
Local transmitter maps
Crystal Palace Freeview Crystal Palace DAB Crystal Palace AM/FM Crystal Palace TV region BBC London LondonWhich companies have run the Channel 3 services in the Crystal Palace transmitter area
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Thursday, 29 September 2011
Jason New: Can you please provide a full postcode, it is hard to know what your reception issue might be without knowing your exact location.
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Friday, 30 September 2011
B
Bob Smith8:49 PM
I live in the CM1 area (Chelmsford)
One TV is tuned to Sudbury and is Ok; the other tuned to Crystal Palace with a Freeview box. About a week ago I noticed I was also getting excellent quality Sudbury transmissions on the latter in the early hours of the morning (800 series channels)
Later on each day the Sudbury transmissions are removed from the channel list automatically together with Channel 301.
Am manually adding Channel 301 each day.
Presume this may be as a result of Engineers testing on Crystal Palace transmitter before the c/over.
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M
Matt9:49 PM
Bob Smith: I thing you mean UHF channel 31 since 301 is a red button service. Without a full postcode it's is hard to tell the real problem, but it is most likely ch 31 HD mux problems. You could remove the Crystal palace cable from the combiner, so you only get sudbury or vice versa.
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Saturday, 1 October 2011
M
Mark Heselden10:34 AM
Why has Crystal Palace's yellow service area got a straight saw toothy edge on its south-western side? Is it always going to be like this? (51.14,-000.04)
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D
David Linkson1:41 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.
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David's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
J
jb385:10 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.
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B
Bob Smith7:59 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
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Sunday, 2 October 2011
M
Matt9:18 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?
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Monday, 3 October 2011
B
Bob Smith11:04 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
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