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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 25/09/2023 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.

Sunday, 27 September 2015

6:33 AM

Yes, Martini - it is from Madingly - but is pretty strong in Brandon, which is supposed to be well outside the service area ??

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Bob's 30 posts GB flag
Bob's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
Thursday, 8 October 2015
8:31 PM

No signal on any of the channels in nn1 .
It's always been weak but why it not working now .

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Wendy's 5 posts GB flag
Wednesday, 14 October 2015
9:35 PM

Some help would be nice still experiencing the same issue ..

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Wendy's 5 posts GB flag
Thursday, 15 October 2015
8:27 PM

Neighbour's also affected.

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Wendy's 5 posts GB flag
Friday, 16 October 2015

9:36 AM

If you and your affected neighbours live in a communal block with a shared communal aerial, then yuou should contact the organisation responsible for maintaining the flats as it could well be that the communal aerial system has developed a fault that only they can have rectified.

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MikeP's 215 posts GB flag
10:54 AM

I have my own aerail and I also tried my mum's tv in nn7 area and here is working but most the channels can't even get 20% Quality i don't understand why my aerail and my mum's is like this as we both live in diffrent areas also one of my neighbours has her own aerail and also has no signal it has always been poor around my area but now it seems non existent also my mum's used to be 80% . but could never get hd transmissions despite the tv been smart and having freeview hd built in .

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Wendy's 5 posts GB flag
11:00 AM

I also notice my area as well as most of the city seem to be grey on the map I am aware of dallington park transmitter but sadly my aerail dosent point in that direction so does it mean that now the power has gone down I'll have to have my aerail as well as my neighbours and mum's aerail re pointed to a poor 16 channels. I honestly think there either needs to be a power boost or the dallington park transmitter should carry at least the full service so this area can get what it needs like most places apart from extreamly rural areas. This is near london not Shetland .

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Wendy's 5 posts GB flag
Saturday, 17 October 2015

7:51 PM

Wendy: You havn't given us a full postcode, so we dont know where you are (NN1 is a large area). Once we know your location, we can judge what your signal should be. However, a couple of things spring to mind.

You've tried the TV at your mothers (NN7), with a poor signal as well. It could be that both your area's are poor for reception (of course, we dont know what that location is...), or you could both have aerial systems with possible faults. However, the first question to ask is - is it tuned to the right transmitter?

Check that its actually tuned to Sandy Heath, rather than another transmitter, much further away.
Next - is the aerial lead a problem? If its damaged, etc, and you've used it in several locations, then its possibly going to cause the same problem.

Your neighbour might have a similar problem to you, but its might be a different problem - dont assume that two people both having a problem with reception have the same problem or that its the transmitter.

As for your mums problem, its sound like a possible aerial probelm again, if it used to be really good, but is now poor. However, if its a an HD tuner equiped TV, then she should get HD channels, unless there is a big problem with the aerial.

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MikeB's 2,579 posts GB flag
MikeB's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Tuesday, 20 October 2015
Transmitter engineering

4:32 AM

SANDY HEATH transmitter - DAB: BBC National DAB Radio Off Air from 00:33 today to 02:25 today. [BBC]

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Transmitter engineering's 144,075 posts xx flag
Wednesday, 21 October 2015
Transmitter engineering

4:32 AM

SANDY HEATH transmitter - DAB: BBC National DAB Radio Off Air from 00:33 yesterday to 02:25 yesterday. [BBC]

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Transmitter engineering's 144,075 posts xx flag
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