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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 17/06/2024 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 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 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), 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.

Saturday, 1 January 2011
2:51 AM

Hi Brian. I've just ditched SKY for Freeview and have a problem. My loft aerial has never had a signal. Plugged in a booster and picked up several Freeview channels, but not all (missing MUX 2 and B). I also bought a Humax Freeview + recorder, and from the SAME aerial I get a different channel list! MUX 2 and B appear but not MUX 1. I'm also missing a few channels from various MUX's. How can two Freeview devices served by the same aerial have different channel lists?
I want the Humax box to get the full channel list. Clearly my aerial is capable of receiving all the channels. Any clues?

My postcode is Peterborough PE2 and my aerial points to Sandy Heath.

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Steve's 1 post GB flag
Greg Dean
5:15 PM

We live in the shaddow of the sandy heath transmitter and over the last couple of weeks the reception on certain channels has been getting worse and worse, while some channels are perfect. other local friends have seen the same. This suggests transmitor issues but nothing is reported (as far as I can find out).

Any ideas?

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Greg Dean's 1 post GB flag
6:20 PM

we also have been getting channel break-up over the past couple of weeks it appears to be mostly on the commercial channels (which has been a bit of a bugger when recording with my usb recorder tv only to find i get channel loss part way the the programme is this to do with "atmospheric conditions" i.e "inversion effect" like we had in oct-nov time

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mawihtec's 8 posts GB flag
mawihtec's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Colin B
10:52 PM

I to have been receiving a good signal and upto 50 channels from the Sandy transmitter until mid October and then i have lost all but mux 1 and B and even the reception is awful. Does nayone know what's going on?

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Colin B's 1 post GB flag
Colin's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Mike, Horton
10:59 PM

Signal strength problems on Sandy heath transmitter commenced around 16-17th December and have NOT recovered with snow melt. Post Code is NN7 . The aerial is a Quad pole on a 3.5m pole on top of the chimney. There is also a signal booster on the line.

Have completely lost ITV and other channels associated with the LOW rating bands 2 and A. Also sound and guide data on other channels seems to drop out hinting at signal or band width problems.

Surely all these recently posted signal quality problems cannot be everyone's aerials or sets going faulty? The common factor is the Sandy Heath transmitter and what was bad weather. Are you sure there have not been some connections/seals subject to freeze/thaw actions?

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Mike, Horton's 3 posts GB flag
Mike,'s: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Sunday, 2 January 2011
Wayne Drury
10:32 AM

We are in same boat as Mike H above, we have also lost all our MUX 2 and A channel since appx. 28-Dec. Everything until then was fine and crystal clear and we originally put it down to the thick fog in the NN3 area.

However, no fog or snow now and we still have no improvement (i.e. not back to our full 64 channels).

Is there something wrong at Sandy Heath currently? Are they tinkering in prep for April 2011 switchover and accidently turned something off?

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Wayne Drury's 5 posts GB flag

4:46 PM

Steve - sounds like your Ae is getting two different signals at similar weak levels, making it a toss-up which the tuners pick. That could change with time, or with the detailed sensitivity of each tuner.

As there seems to be suggestion of local problems suggest trying retuning once others are not having troubles.

A well pointed rooftop Ae would probably solve your problem.

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steve's 1,173 posts GB flag
Carol P
8:04 PM

Recently my upstairs TV (using aerial in loft) has lost the commercial channels - after retuning they have come back but won't store. The downstairs TV (using the same aerial from the loft) is absolutely fine - any clues as to what the issue is. Postcode SG6

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Carol P's 1 post GB flag
Monday, 3 January 2011
Wayne Drury
12:51 PM

We seem to have all our 102 channels back now. Very wierd, wish there was easy way to produce a signal strength check.

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Wayne Drury's 5 posts GB flag
Wayne's: mapW's Freeview map terrainW's terrain plot wavesW's frequency data W's Freeview Detailed Coverage
1:18 PM

@ Wayne :- i know that our tv's (with inbuilt freeview) and our freeview boxes all show signal strength when doing a scan so i can keep an eye on signal strength when i periodically check for extra channels/rescan

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mawihtec's 8 posts GB flag
mawihtec's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
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