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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 04/12/2023 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.

Friday, 14 January 2011

9:01 AM

Leanne: There are no transmitter problems. I would suggest you get back whoever provided your aerial installation and ask them to make it work.

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Briantist's 38,908 posts GB flag

9:05 AM

aaron: No problems with this transmitter are reported. Bit hard to say without your postcode.

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Briantist's 38,908 posts GB flag
5:17 PM

I am sorry Brian, but these reports would indicate a widespread problem, the fact is that people from all over the region are suffering the same problems which in many cases commenced at the same time, how can that be attributed to anything but a transmitter fault?

Why are some channels okay, and others not, surely this would rule out local equipment problems?

I have looked at the links you posted but that still did not address the issue.

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Peter's 7 posts GB flag
5:21 PM

Brian, could you explain why I have a perfectly clear picture now but have not over the past few weeks including this morning, last night etc? The aeriel has not been touched. Here it will just say no signal regardless of channel.

Completely echo what Peter has said, can't be all our aeriels surely?

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Leanne's 5 posts GB flag
Frustratred Ketterin
9:19 PM

Since approximately the same date, all of our aerials have broken that have been pointed towards Sandy Heath. Is everyone out of step except Sandy Heath?
If the transmitter is fine and all out kit is fine, then the system is wrong!?

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Frustratred Ketterin's 5 posts GB flag
10:23 PM

I have a Topfield PVR in the bedroom, a Pansonic PVR and new LG TV in the living room and a Hauppage freeview card in the PC, they are all suffering channel loss/quality issues.

They run off a Televes high gain antenna on a big pole with a SLX 4 amp in the loft.

They all used to work fine.

By putting a netbook with a USB tuner right at the antenna, the signal strength I am getting is down on past performance. My stubby aerial with the USB tuner now gets nothing at all.

Ireally do not think the problem is at my end.

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Peter's 7 posts GB flag
Saturday, 15 January 2011
10:30 PM

I've had really bad performance on freeview since just before Christmas. Before the performance dropped, I could get all the channels. Now I have lost all the BBC channels, and cannot get ITV1 or 2. Autotune on my tv is not able to pick up these lost channels. The comments on this forum suggest there might be a widespread problem in the area served by Sandy Heath. It is a bit worrying, as we are due to begin the switchover in March.
I live in Soham, just outside Ely.

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JJ's 1 post GB flag
10:40 PM

Similar Sandy Heath reception issues here in Cambridge.

Signal levels have dropped a little and pictures from the lower power muxes are breaking up on the TV.

My Topfield PVR and Bravia DTV both report same lower signal strength than normal when looped through on same antenna, and when plugged into it individually.

No changes in loft antenna, and no environmental changes on the wall that it points through.

This effect has been happening sporadically over the past 4 weeks. So far I assumed it related to power adjustment tests prior to analogue switch-off.

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Mark's 1 post GB flag
Sunday, 16 January 2011
11:54 PM

I concur with Mark (and many others) above. I live close to Bar Hill on the A45 in Cambridgeshire and have suffered exactly the same problems as those in the past few posts. Having consulted many relatives who live in the same area, they're all experiencing the same problems too.

How can it be all of our equipment suddenly becoming inadequate to receive Freeview from Sandy Heath when we're all experiencing the same problems? It makes no sense. :s

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Ian's 1 post GB flag
Monday, 17 January 2011
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