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 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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Sunday, 6 October 2013
D
dave macready8:49 AM
dave: I too have had a miserable summer with Sandy Heath. This has been the case ever since it went digital and I had an aerial and set top box almost on day One.
The problems always seem to start with Wimbledon! I then find I get poor or no reception 80% of the time from then on. The signal loss is almost totally just BBC programmes.: 1,2,3,4, Cbbc, Cbeebies and ( and this hurts me most!) radio, especially R3.
If this IS co-channel it is 1,000 times worse and longer lived than we had on analogue (I was a TV engineer for 40 years) . What annoys me most is that there is NEVER any mention of this problem on the TYV! Time was that weather peeps would mention a "lift" and give a warning of bad reception. Never hapens now. Is someone at the BBC SO embarassed at this monumental technical cock up that they dare not speak its name. I have tried to get some confirmation of the problem from the BBC (wher the proble is found 90% of the time) but no joy.
I am at NN5 5**
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S
Seb Ferraro10:10 PM
Just outside Northampton in NN5, all channels we can actually pick up work fine, except there are NO BBC channels at all. Our list starts at ITV3 (channel 10 on our TV), no HD BBC channels at all and no ITV1, ITV2 or ITV1+1 either. How useless
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Monday, 7 October 2013
P
Peter1:54 PM
Peterborough
Lost all channels in PE1 for the last week, just checked all wiring to a loft aerial. Had been a reliable service until recently.
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Peter's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
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MikeB2:47 PM
Peter: Sandy heath reports no problems, so I suggest that its probably your system. Have you something which says 'no signal' or do you get something, but just not very well?
If its the first, its your system - check the signal path back from the TV. If its the latter, then check signal strength - after upgrades, many transmitters are broadcasting higher power signals than before and swamping tuners - remove any booster etc and see if you get down to around 70% signal strength.
Loft aerials are less than perfect, but if it was fine before, I'd expect a better signal, not a worse one.
I actually live in PE1...but my aerial points at Waltham, so thats not much help!
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Wednesday, 9 October 2013
M
MickO1:10 AM
Milton Keynes
Been getting interference on Ch27 for quite some time now. I use a Topfield for recording Feeview and the signal strength app shows all Mux's apart from Ch27 as Rx @ 72% and Q @ 100%. Ch27 shows Rx @ 69 and Q @ 81. This is unusual.
High pressure should be gone soon, so time will tell as to whether the reception returns to normal
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MickO's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
G
GordonT7:25 PM
Peterborough
I don't understand the comments about loss of signal from Sandy in the PE1 and PE4 areas. I live (in a bungalow) in PE6, 10 miles north of Peterborough and I get strong reliable signal from Sandy, and have done all summer. Belmont and Waltham are both of similar signal strength here but I prefer the Anglia local news.
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GordonT's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
Sunday, 13 October 2013
N
NigelJ12:44 AM
Wisbech
There now some indications that the days of RF transmission of television are numbered, at least for dedicated TV transmitting stations. The future appears to be television over the internet. The BBC is releasing some content here before transmission over the air. We can expect some content to be only available via iTunes. Internet broadcast is also a requirement if picture quality is to be significantly increased above that of HD, with download and play later being the standard. This is due to bandwidth limitations of RF transmission. No doubt the new model will no longer require a TV license, but will need a very expensive subscription. I would not be surprised if that is the reason there is little government concern about the signal quality of digital TV transmissions or the impact of 4G interference. It all helps to push users to cable and internet based services, where the real money will be made.
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NigelJ's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
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NigelJ12:52 AM
Wisbech
Should have written iPlayer and not iTunes, but I am sure you get the picture or rather you won't soon:-)
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NigelJ's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
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MikeG8:14 AM
Hope you have a good internet speed over there in Wisbech Nigel if you're going to rely on the internet for your TV. Over here in Littleport we are lucky to get 4.5Mb and the promise of FTTC has moved from 2012 to the end of 2014 now, so who knows when. I get a good terrestrial signal here (SD and HD) and hope it's going to stay that way for the foreseeable future. Yes it will come eventually when all the country gets on fibre but they'll be a hue and cry if they do it too soon.
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KMJ,Derby10:34 AM
NigelJ: "will need a very expensive subscription" - The very reason for retention of the licence fee and Freeview, in order to keep TV affordable for the bulk of the population. I'm not sure why we need a resolution better than HD for watching Corrie or Come dine with me, or catching up on the local news. No doubt Sky will provide a 4k service with a subscription to match, for enthousiasts who are prepared to pay. The production costs alone could well limit the amount of material available, this affecting both TV companies and the movie industry, resulting in sports coverage being the most likely to use such technology.
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