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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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Sandy Heath (Central Bedfordshire, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 H max
C27 (522.0MHz)291mDTG-3180,000W
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

PSB2
D3+4
 H max
C24 (498.0MHz)291mDTG-3180,000W
Channel icons
3 ITV (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, 30 E4 +1, 35 ITV +1 (Anglia east),

PSB3
BBCB
 H max
C21+ (474.2MHz)291mDTG-6180,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV 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

COM4
SDN
 H -0.2dB
C33 (570.0MHz)291mDTG-8170,000W
Channel icons
12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 Pop Player, 211 Ketchup TV, 212 YAAAS!, plus 15 others

COM5
ArqA
 H -0.2dB
C36 (594.0MHz)289mDTG-8170,000W
Channel icons
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, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H -0.2dB
C48 (690.0MHz)289mDTG-8170,000W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 91 Classic Hits, 235 Aljazeera English, plus 18 others

com7
 H -5.6dB
C55 (746.0MHz)291mDTG-649,600W
Channel icons


DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
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 (66°)
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
VHFA K TK TK TW TW T
C6ITVwaves
C21C4wavesC4wavesC4waves+BBCBBBCB
C24ITVwavesITVwavesITVwavesD3+4D3+4
C27BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C31BBC1wavesBBC1wavesBBC1waves
C32com7
C33SDN
C34com8
C35_local
C36ArqA
C39C5wavesC5waves
C43_local
C48ArqBArqB
C51tv_offSDN
C52tv_offArqA
C55tv_offcom7tv_off
C56tv_offCOM8tv_off

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.

Comments
Tuesday, 2 August 2011
Briantist
sentiment_very_satisfiedOwner

8:14 AM

Steve P: I would edit it out, by Digital UK asked me not to change their status reports in any way.

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Briantist's 38,844 posts GB
S
Steve P
sentiment_satisfiedGold

11:38 AM

Do they KNOW they are publishing this nonsense?

You could perhaps add an explanatory note?

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Steve P's 1,172 posts GB
Briantist
sentiment_very_satisfiedOwner

3:33 PM

Steve P: I've put a patch in to change the message to "closed". I hope this is clearer.

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Briantist's 38,844 posts GB
Transmitter engineering
sentiment_very_satisfiedOwner

3:54 PM

SANDY HEATH transmitter - Over the next week Sandy Heath main transmitter: TV (analogue) closed, TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]

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Transmitter engineering's 138,015 posts GB
S
Steve P
sentiment_satisfiedGold

4:47 PM

Seems clear enough to me!

Nice one Brian

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Steve P's 1,172 posts GB
Briantist
sentiment_very_satisfiedOwner

5:17 PM

Steve P: No problem.

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Briantist's 38,844 posts GB
Wednesday, 3 August 2011
B
Bob Archer
9:19 PM

Just to point out, your info on the MUXs towards the top of the page is incorrect - COM6 is not yet on C48, but still on C67 - until Sept anyway!
Bob

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Bob Archer's 12 posts GB
Thursday, 4 August 2011
Briantist
sentiment_very_satisfiedOwner

9:15 AM

Bob Archer: My apologies, this transmitter has a "type 6" switchover, not a "type 3". I have corrected the database.

Thanks for pointing it out.

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Briantist's 38,844 posts GB
J
jason
3:00 PM

Hi All

Could you please tell me why sandy heath transmitter on ch21,24,27 is very strong from milton keynes but ch40,43,67 is a lot lower.

Will this change soon.

Many thanks

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jason's 2 posts GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

4:32 PM

jason: Because the channels that will eventually be used are still required at other sites. Both the allocated channels and the temporary ones clash with other sites. Moving to full power now would damage other people's reception, either of analogue or of low-power digital services.

In order of what's going to happen:

On 31 August, Mux A will move from C43 to C31, at the same power level, to free C43 for Sutton Coldfield. C31 is released by Waltham on that date.

On 14 September, ArqB moves from C67 to C48, its final frequency, at full final power level. C48 is in use at Oxford before this date. Mux C changes mode, becoming ArqA, and takes over C67 from ArqB, at the same power level.

On 23 November, ArqA moves from C67 to C52, which is currently used by Tacolneston, at full power. This is its final channel.

On 9 May 2012, Mux A changes mode, becoming SDN, and moves to C51 at full power - this is its final location.

On 27 June 2012, the vertical beam tilt - the angle of the main part of the transmission - will be raised. It is currently restricted to the south-west, to protect services at Rowridge. Effectively this will increase power levels for viewers further away from the transmitter.

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Mike Dimmick's 2,486 posts GB
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