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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 18/09/2023 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, 250 BBC Red Button, plus 15 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, 109 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! Movies Action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 69 HorrorXtra, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 91 WildEarth, 203 CITV, 208 Pop Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 16 others

 H -0.2dB
C36 (594.0MHz)289mDTG-8170,000W
Channel icons
 Smithsonian Channel, 11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 70 Quest +1, 71 That's 60s, 74 Yesterday +1, 75 That's 70s, 233 Sky News, plus 9 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! romance, 73 HobbyMaker, 76 That's 80s, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 90 Together TV +1, 235 Al Jazeera Eng, plus 19 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.

Monday, 8 July 2013
Pete Newton
11:34 AM

I have had no BBC channels for over a week, the reception deteriorated over one evening before the picture completely pixilated, and then froze. When I retuned the BTVision box, the channels were lost altogether I have missed all Glastonbury coverage, and now missed Wimbledon plus countless other things!
The ariel doesn't appear to have moved, so I am at a loss.
This has happened on the BBC channels on numerous occasions, while the other channels all seem OK...

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Pete Newton's 2 posts GB flag
Tuesday, 9 July 2013
Rob Johnson
10:32 AM

Our reception is having similar issues to Pete Newton. Has got steadily worse during the past week. Our neighbour's reception is fine though and there aerial points in the same direction so I assume uses the same transmitter.
Live in Ely using the Sandy Heath Transmitter.

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Rob Johnson's 1 post GB flag
8:56 PM

Same problem as Rob Johnson. I live in Ely and yesterday I lost all channels. BBC is completely gone, others dreadfully pixelated, all unwatchable.

(antenna, mast amplifier and distribution box in the loft)

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Steve's 1 post GB flag
Wednesday, 10 July 2013
1:54 PM

Steve: Same problem as you; live in Ely and last night I was recording BBC1 HD (Luther). 40mins in, program got more & more pixelated then froze and recording stopped.
Switching to standard BBC (via freeview box or actual tv) resulted in a black screen, likewise for all other tv channels except bbc3 (only available after switching to an alternative frequency channel).
All channels had minimum 1 bar of signal strength or 0 bars, and either very pixelated or no picture.
TV aerial in loft. Humax box (with freeview) in living room with the tv.

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Carol's 1 post GB flag
Thursday, 11 July 2013
4:07 PM

I live in Northampton and am having the same problems with pixelating and freezing.I have narrowed it down to Channel 27.Signal strength is 100% all the time,but signal quality is what varies to give the problems.I have a roof aerial with amplifier

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Brian's 1 post GB flag
Saturday, 13 July 2013
Duncan McGill
10:08 AM

I live in Fairfield Park near Stotfold and suffering the same issue... Very frustrating, what's going on?

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Duncan McGill's 1 post GB flag

8:30 PM

Carol: If you were able to receive BBC3 on an alternative frequency, you would have been able to receive all the standard definition BBC tv and radio channels which are carried along with BBC3 on the working multiplex. You might find it useful to note which alternative frequencies you are able to receive, then when your normal signal is blocked by interference, try the alternatives to see if they are also affected or continue to give service.

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KMJ,Derby's 1,811 posts GB flag

9:23 PM

Brian: Obviously without a postcode, its very difficult to come up with an answer, however, yout 100% signal strength, but poor reception points to too strong a signal - see:

Freeview signals: too much of a good thing is bad for you | Digital switchover | - 10 years of independent, free digital TV advice

Try bypassing the amp after checking quality and strength, then see if its better. (PE12QN)

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MikeB's 2,579 posts GB flag
Sunday, 21 July 2013

7:50 PM

jb38: ARghhhhhhhhh getting so fed up with losing my stations or its comstantly breaking up on certain stations the ones i watch the most !!! ive bought an amplifier which was great for a while, then i had to do a retune on my box and lost the stations again, finally got them back but this constant breaking up is really getting to me mainly Really, Pick ITV3 Drama , itv2+1, E4 , 5*, 5 USA is there anything i can do please

link to this comment's 25 posts GB flag
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