Full Freeview on the Sandy Heath (Central Bedfordshire, England) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 52.130,-0.242 or 52°7'47"N 0°14'33"W |  | SG19 2NH |
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 04/11/2024 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 (65°)
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 |
Which companies have run the Channel 3 services in the Sandy Heath transmitter area
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Tuesday, 23 June 2020
J
Jane Webb11:28 PM
Lost all channels suddenly just says no signal
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C
Christopher peachey11:31 PM
Cambridge
Jane Webb: I glad I'm not the only one. For ref c35 586 MHz is still getting signal. 95% signal strength at Cb25 0bb .
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Christopher's: ...
C
Christopher peachey11:53 PM
BBC reports major works at sandy Heath. Uktvfree you need to update your information as it is incorrect.
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C
Chris.SE11:57 PM
Roger: Christopher peachey: Jane Webb:
Sandy Heath is listed for Planned Engineering with "Possible weak signal", which in some locations will seem like no signal. The Local Multiplex on C35 comes from the nearby Madingley transmitter which probably will remain unaffected.
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Wednesday, 24 June 2020
C
Chris.SE12:05 AM
Christopher peachey:
The Freeview site is also listing the transmitter work (if you enter your postcode). Transmitter reports (BBC only) tend to occur later on this site as the scans of the engineering reports are not real-time.
All: Do NOT retune whilst you have no signal, this will just clear all your correctly retuned channels and you will have to retune again when you have normal signals.
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Transmitter is not "Week Signal" it is completely off.
All Multiplexes are off air!
Do not re-tune they should be back in the morning.
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C
Chris.SE3:17 AM
Iain Martin:
I was quoting what the Freeview/DUK listing was stating, check it for yourself instead of attempting to imply I wasn't quoting correctly. And irrespective, even if it was a weak signal, if you are far enough from the transmitter in such circumstances it will appear to be no signal, ever heard of the digital cliff edge?
I also pointed out that the Local Multiplex on C35 was unaffected as it is transmitted from a separate transmitter at Madingley, not everyone realises that!
I am fully aware that the transmitter went off-air at 00:01.
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Christopher peachey5:42 AM
All ok this morning. I did retune and did it again to correct my mistake. Although my postcode and address reports I can get everything, I am very close to a reduced signal area. The maps on areas are about 500 meters out in actual location, it doe ts matter which service you use, gps is not reliable.
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C
Chris.SE1:41 PM
Christopher peachey:
The reception predicters (there are various) even the official DUK/Freeview one is not 100% reliable/accurate. It just depends on how many surveys were done in your specific area many years ago, the rest is extrapolation from the topography. Glad it's all back now, but that doesn't mean work is complete, they don't give details unfortunately.
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