Full Freeview on the Sandy Heath (Central Bedfordshire, England) transmitter
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The symbol shows the location of the Sandy Heath (Central Bedfordshire, England) transmitter which serves 920,000 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 Sandy Heath (Central Bedfordshire, England) mast?
Sandy Heath transmitter - Sandy Heath transmitter: Possible effect on TV reception week commencing 29/05/2023 Pixelation or flickering on some or all channels 
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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
H/V: aerial position (horizontal or vertical)
Which Freeview channels does the Sandy Heath 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
H/V: aerial position (horizontal or vertical)
Which BBC and ITV regional news can I watch from the Sandy Heath transmitter?
BBC Look East (West) 1.0m homes 3.7%
from Cambridge CB4 0WZ, 29km east-northeast (66°)
to BBC Cambridge region - 4 masts.
70% of BBC East (East) and BBC East (West) is shared output
ITV Anglia News 1.0m homes 3.7%
from Norwich NR1 3JG, 119km east-northeast (60°)
to ITV Anglia (West) region - 5 masts.
All of lunch, weekend and 80% evening news is shared with Anglia (East)
How will the Sandy Heath (Central Bedfordshire, England) transmission frequencies change over time?
| 1965-80s | 1984-97 | 1997-98 | 1998-2011 | 2011-13 | 12 Feb 2020 | ||||
| VHF | A K T | K T | K T | W T | W T | ||||
| C6 | ITVwaves | ||||||||
| C21 | C4waves | C4waves | C4waves | +BBCB | BBCB | ||||
| C24 | ITVwaves | ITVwaves | ITVwaves | D3+4 | D3+4 | ||||
| C27 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
| C31 | BBC1waves | BBC1waves | BBC1waves | ||||||
| C32 | com7 | ||||||||
| C33 | SDN | ||||||||
| C34 | com8 | ||||||||
| C35 | _local | ||||||||
| C36 | ArqA | ||||||||
| C39 | C5waves | C5waves | |||||||
| C43 | _local | ||||||||
| C48 | ArqB | ArqB | |||||||
| C51tv_off | SDN | ||||||||
| C52tv_off | ArqA | ||||||||
| 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 30 Mar 11 and 13 Apr 11.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 1000kW | |
| BBCA, D3+4, BBCB | (-7.4dB) 180kW | |
| SDN, ARQA, ARQB | (-7.7dB) 170kW | |
| com7 | (-13dB) 49.6kW | |
| com8 | (-13.1dB) 49.1kW | |
| Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D* | (-17dB) 20kW | |
| Analogue 5 | (-20dB) 10kW |
Local transmitter maps
Sandy Heath Freeview Sandy Heath DAB Sandy Heath TV region BBC Cambridge Anglia (West micro region)Which companies have run the Channel 3 services in the Sandy Heath transmitter area
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Monday, 18 April 2011
L
les9:19 PM
why is it possible for my Toshiba tv able to continue to receive channel 12 wheras my new Samsung tv will no longer tune to channel 12. This has happened since the digital switchover. Previous to switchover both tv's received Channel 12. Both tvs receive the same aerial signal by means of a distribution amplifir placed in the loft.
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J
Jack9:44 PM
I too have lost Yesterday on CH.12, ITV4 on CH.24 and presumably everything else on that mux ? as I have not checked the others
I have a wideband aerial and retuned as told last week but CH.12 started breaking up about Friday and has now gone altogether.
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Tuesday, 19 April 2011
les: You may have to wait for multiplex ArqB to move to C48 at full power on 14 Sept 2011.
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T
Tina1:21 PM
Why are we picking up Anglia news on BBC and ITV when we are in the London area?
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D
Dominic1:44 PM
I am another who cannot get a decent signal on Sandy Heath channel 67 (ArqB) while everything else is fine. This is post switch over.
LU3
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J
Jack2:50 PM
Thanks Briantist.
Yes its definitely 'single frequency interference' as those other channels on the list have gone as well.
Coming up is lawn mower and motorbike season which are usually random channel killers.
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J
Jack3:03 PM
Just checked at see that the mux is on ch67, right at the end of the spec for the aerial
-and then transmitted on a low power-
So not much hope at all then till September?
ITV4 will not be missed as they been showing the same programmes for 7 years.
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C
chris3:08 PM
Re powers from Sandy Heath. Russ your comments support what I see, come spring 2012 we'll see who is right.
On another subject, wrong aspect ratio on BBC HD on Samsung TV. I have done some research and found the BBC are switching between 1080i and 1080p on BBC HD. This is causing Sony Bravia TVs to suffer audio drop out and seems to be making my Samsung switch to 4:3 when 1080p tx'd
Chris
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