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Full Freeview on the Sandy Heath (Central Bedfordshire, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps52.130,-0.242 or 52°7'47"N 0°14'33"Wsa_postcodeSG19 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 26/02/2024 Pixelation or flickering on some or all channels Digital tick

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

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.

 H max
C27 (522.0MHz)291mDTG-180,000W
Channel icons
1 BBC One (SD) Cambridge, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 16 others

 H max
C24 (498.0MHz)291mDTG-180,000W
Channel icons
3 ITV 1 (SD) (Anglia (West micro region)), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Anglia east),

 H max
C21+ (474.2MHz)291mDTG-180,000W
Channel icons
46 5SELECT, 101 BBC One HD Cambridge, 102 BBC Two HD England, 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

 H -0.2dB
C33 (570.0MHz)291mDTG-8170,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

 H -0.2dB
C36 (594.0MHz)289mDTG-8170,000W
Channel icons
11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

 H -0.2dB
C48 (690.0MHz)289mDTG-8170,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

DTG-8 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?

regional news image
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
regional news image
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?

1965-80s1984-971997-981998-20112011-1312 Feb 2020

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

Oct 1959-Feb 2004Anglia Television
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.

Thursday, 14 April 2011
Yan Lee
4:50 PM

The charts (or graphical) information on two web pages for the Sandy Heath transmitter ( Sandy Heath digital TV transmitter | - independent free digital TV advice and Freeview on Sandy Heath TV transmitter | - independent free digital TV advice ) are still rather confusing, even though the initial error re. C67 (Arqiva B) has been corrected since the early hours of April 13th.

But why show the TEMPORARY (i.e. currently correct) frequency for Arqiva B yet show the FINAL 'resting' frequencies (i.e. currently incorrect) for Arqiva A and SDN. I realise that the " NOTE:" underneath the charts explains all, but, as they say, "a picture paints a thousand words....."

We need some kind person to put charts in for 13th April to 30th August 2011, 31 August to 13th September 2011, 14th September to 22nd November 2011, and 23rd November 2011 onwards.

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Yan Lee's 1 post GB flag
5:43 PM

adrienne -
Your postcode on the Digital UK postcode checker suggests 100% reception. You may have too much signal, and a plug in attenuator may be the answer. BBC channels went full power on the 30th which is when you say the problem stated.
Sim (52.3959,-0.7279) 

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Simeon's 1 post GB flag
Mike Dimmick

6:35 PM

Yan Lee: Unfortunately the software really only supports 'before Freeview' - 'low power DTT' - 'after switchover'. It wasn't designed to support so many changes both before and after switchover.

The only exception I can think of is Rowridge, which shows before and after 25 March 2009.

Digital UK's postcode checker (trade view) shows all events that are currently planned, and what that will do to your reception.

We're also somewhat behind Digital UK in terms of information because the broadcasters are changing it at the last minute and Ofcom aren't keeping up. Other than scraping the DUK trade view, there's not a lot we can do (and DUK don't publish the power levels). (DUK is mainly a front for the broadcasters.).

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Mike Dimmick's 2,486 posts GB flag
Mike Dimmick

6:37 PM

Dave: Sandy Heath is at a bearing of 198°. However, Waltham (East Midlands) or Belmont (Yorkshire & Lincolnshire) are expected to give better results.

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Mike Dimmick's 2,486 posts GB flag
Friday, 15 April 2011
Paul Bull
5:55 AM

My strongest signal doesn't bear any relationship to these channels. My topfield recorder has found channels
27 Mux1,
24 Mux2,
43 also described as Mux2,
40 Mux C,
67 Mux D,
48 described as RF.
What's happening?

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Paul Bull's 1 post GB flag

8:33 AM

Paul Bull: Impossible to say without your postcode.

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Briantist's 38,910 posts GB flag
1:36 PM

I have installed a new digital aerial in my loft, i have a masthead amp also.

But i cannot get the five usa channel or film 4 channels.

Is there a plan to boost the signal on these services to 180 k ?

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Marcus's 1 post GB flag

2:01 PM

Marcus: Yes, as above "The commercial multiplexes at Sandy Heath will remain on their pre-switchover channels and powers for a period after digital switchover. SDN will then temporarily move to channel 31 (at 20kW ERP) on 31 Aug 2011, before adopting its final allocation of channel 51 on 18th April 2012. Arqiva A will adopt its final allocation of channel 52 on 23 Nov 2011. Arqiva B will temporarily move to channel 67 (at 20kW ERP) at switchover and then it will adopt its final allocation of channel 48 on 14 Sept 2011. "

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Briantist's 38,910 posts GB flag
Doug Richardson
2:32 PM

Mike Dimmick wrote:
>if Mux B was marginal, ArqB is likely to not work.
BBC4 was always very prone to pixellation and sound dropouts.
>If you provide a full postcode we can see if this temporary location is expected to work for you, and therefore you have a problem with your installation, or if it's just not practical to receive it at the moment.
CM19 5EA is the postcode. The aerial is about 15 years old, but I recently fitted a new masthead preamp and rewired the run to the TV in the correct type of coax for digital.

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Doug Richardson's 2 posts GB flag
Doug's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
5:09 PM

Well where do i start!

BEFORE the switchover we were getting Dave,Davejauvu,E4+1,Sky Three (pick tv) pretty much 95% of the time since 2007.

AFTER the March switchover at Sandy Heath we gained new stations BBC1,BBC2,BBC3,BBC4,BBC News and some other stations.

AFTER the April 13th switchover we have gained some stations but lost others,then some of the new stations we have gained dont work 100% of the time,for instance Dave,Davejauvu,E4+1 now go totaly down when before switchover they were fine 95% of the time, ITV2+1,Challenge,5 Star,5 USA and others also go totaly down and dont work, and we cant even get Film4,Four Music,Virgin,TMZ etc. BEFORE the switchover we could 'sometimes' get Film 4,Virgin,TMZ etc on rare ocasions.

We have a high end Panasonic freeview,dvd & video recorder combi,a high end 42" LG HDTV with built in freeview, and a high end Samsung 23" HDTV with built in Freeveiw.

We are in Hilgay near Downham Market.

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Paul's 4 posts GB flag
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