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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 27/11/2023 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, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 35 others

 H -0.2dB
C36 (594.0MHz)289mDTG-8170,000W
Channel icons
 Smithsonian Channel, 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 Christmas, 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
 Quest Red +1,  Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! christmas mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 235 Al Jazeera Eng, plus 20 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

7:06 AM

Gav/Michael Stanley: Same comment: the mode change may have effected your marginal signal. You may have to wait until it goes to full power on C48 on 14 Sept 2011.

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Briantist's 38,901 posts GB flag
Phil Taylor
7:56 AM

I have lost a few channels such as Dave, Film 4, and the selling channels.Will they eventualy return or will I have to upgrade my equipment.
Many Thanks
Phil Taylor

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Phil Taylor's 1 post GB flag

7:58 AM

Phil Taylor: No changes were made to the output of multiplex C, so you should still have Dave.

Multiplex D, moved to C67 as ArqB and has changed mode. For people on the edges of coverage, the mode change will mean you have to wait until 14 Sept 2011 when the multiplex moves to C48 at full power, to watch those channels again.

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Briantist's 38,901 posts GB flag
11:01 AM

Since the latest retune a couple of days ago, my receiver's automatic service search can no longer find ITV4, Film4 and Al Jazeera.

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Roydonian's 2 posts GB flag
A Decore
12:37 PM

Before 13/4/11 I was able to get progams 12,15.24 perfectly.However after the 13/4/11 I have problems getting these programs I understand they are on MUX D. On checking your web site you state the the power on these programs are VERY LOW. Can you please tell me if this power will be increased in the future

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A Decore's 1 post GB flag

12:45 PM

John: The switch over help scheme only covers ability to receive the public service channels which are the BBC channels plus ITV1, Channel 4 and channel FIVE. In reality this means whatever channels are included on the PSB muxes when using Freeview. Switchover is due to complete in 2012 with some further adjustment to frequency assignments in some areas to withdraw C61 and C62 from use for inclusion in the "digital dividend" In most cases an aerial which gave good reception on analogue channels will be suitable for reception of the digital PSB muxes. In some areas viewers who wish to receive the COM muxes will need to change to a different group of aerial to receive the frequencies used by these muxes in their area. This is the case at Sandy Heath. Viewers to relay transmitters which only carry the 3 PSB muxes might need a second aerial aimed at an out of area main station in order to receive the COM muxes, or would have to consider satellite reception for additional channels. It is correct that there is no such thing as a "digital aerial". The term is used as a marketing tool to encourage viewers to change their aerials. New installations would be expected to inlude an aerial fitted with a PCB balun and double screened cable to minimise interference pick-up which is the main enemy of digital reception, but any aerial that works properly in a given location is considered suitable.

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KMJ,Derby's 1,811 posts GB flag
Mike Dimmick

2:07 PM

Roydonian, A Decore: These channels are carried on the ArqB multiplex. This is using the channel that Multiplex B used before switchover, so if you had problems with that (BBC Four, CBeebies, BBC radio stations, Sky Sports 1 & 2) last month, it's not surprising you're having trouble with ArqB now. In addition, ArqB requires about twice as much power to work as Mux B used to, so if Mux B was marginal, ArqB is likely to not work.

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.

The multiplex can't move to its final location, C48, as that's being used by low-power digital services at Sudbury until mid-July, Belmont until mid-August and a number of Sutton Coldfield's relays for BBC Two until 7 September.

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Mike Dimmick's 2,486 posts GB flag
4:41 PM

Postcode mk46 5es, we have a Sagem PVR 7280 T digibox.

We lost BBC for 10 days initally, as of the 10th it returned with pixellation on all of the BBC channels all of the time: very bad in the evening with the sound and picture really distorted.

We are regulary retuning but often only pick up 40 channels, max we have achieved is 102. The signal power values are way down when we check those. All of our neighbours are on Sky or Virgin so we have nobody else to compare to.

We are on a hill at one of the higher points in the town; we have checked the leads on the tv etc. and our aerial.

Is there something wrong with the signal strength from Sandy Heath, or could we be getting interference from a relay station? Is there something we may not have considered? We were about to buy a Humax digibox - maybe a more up-to date system would be a solution?

Thank you!

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adrienne's 1 post GB flag
adrienne's: ...
Dick Rudd
4:49 PM

Just Fabulous Freeview from sandy heath today!!. My sister lives near the football ground Kings Lynn. Just installed for her a new Samsung 32inch freeview HD plug & play TV & O.M.G. 37 channles inc 4 HD @ 85-90 signal strenth !! Absolutely Amazing HD, with no aerial change or adjustment. And to think shes suffered very poor analogue with no Ch5 for 20+ years !!

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Dick Rudd's 4 posts GB flag
4:50 PM

Please can you tell me the direction to aim my arial so we can recieve LOOK EAST news programs my post code is PE13 4QQ

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Dave's 2 posts GB flag
Dave's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
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