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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 26/02/2024 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
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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-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

PSB2
D3+4
 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),

PSB3
BBCB
 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

COM4
SDN
 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, 83 Together TV, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

COM5
ArqA
 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

COM6
ArqB
 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), 61 GREAT! movies extra, 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
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
Wednesday, 25 February 2015
J
jb38
sentiment_very_satisfiedPlatinum

12:23 AM

David Nash: Yes, I would be interested to know the outcome of the "short wire" instead of aerial test, as obviously the signal level being fed into the Wolsey amp from the wire aerial would be a great deal less than from the aerial and I was curious as to whether the amp would still lock up or not, because if it didn't, then an attenuator could be placed in line between the aerial and the amplifiers input.


The undermentioned links are for an SLX 6 way distribution amplifier with built in 4G protection, the second link being for the same amp but with a more detailed specification being given. (by clicking on "specification")


SLx 27823BMG 6 Output Aerial Distribution Amplifier: Amazon.co.uk: TV



Philex Electronic (UK) Ltd. Homepage






link to this comment
jb38's 7,179 posts GB flag
M
mikey keller
2:58 PM

No tv signal on channel destanation America
???? ...

link to this comment
mikey keller's 1 post GB flag
Sunday, 15 March 2015
J
Jonathan Snowden
sentiment_satisfiedBronze

5:00 PM

We recently went to stay in Hertford, looking forward to seeing Look East again after many years. The Sandy Heath signal was great, especially as Crystal Palace seemed to drop out a lot and the BBC London News was almost exclusively London-Centric. Something strange kept happening during the BBC One O'clock news that makes me wonder how the Sandy heath transmitter is fed with the right regional service - At the start of the programme there is a ten second opt out for regions to say what is coming up in their own news. Bearing in mind we were definitely tuned to BBC East (W), the picture and sound defaulted to BBC NEWS CHANNEL with a sport preview, and the subtitles gave a printed version of what we could expect on BBC LONDON NEWS. Then, at the right point at the end of the news, BBC LOOK EAST dutifully appeared! A bit confusing, and I expect the majority of viewers might not care, but is there a good reason for it happening like that?

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Jonathan Snowden's 22 posts GB flag
Dave Lindsay
sentiment_very_satisfiedPlatinum

5:07 PM

Jonathan Snowden: If it's happened just the once then I'd say it was some administrative error in feeding the feeds where they should be fed.

Perhaps the "master" feed is that which is given to BBC News channel and that the BBC East opt-out wasn't slipped in -- maybe the presenter was talking to the camera but no one was watching!

link to this comment
Dave Lindsay's 5,724 posts GB flag
Dave Lindsay
sentiment_very_satisfiedPlatinum

5:11 PM

Jonathan Snowden: How often did it happen for? Perhaps the opt-out switch is automated and the thing was not set-up correctly and it took them however long to become aware of this.

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Dave Lindsay's 5,724 posts GB flag
Tuesday, 17 March 2015
J
Jonathan Snowden
sentiment_satisfiedBronze

12:48 AM

Dave Lindsay: Hi, we were there for a week, and it happened each weekday. During the six o'clock everything seemed to be OK at the beginning and the halfway point when they have to tiny regional opt outs to say what's coming up.

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Jonathan Snowden's 22 posts GB flag
W
w mc bride
11:19 AM

William Mc bride Ballycastle why only a few freebies station Available?

link to this comment
w mc bride's 1 post GB flag
J
jb38
sentiment_very_satisfiedPlatinum

6:55 PM

w mc bride: Ballycastle is only a "public services" relay transmitter of the Limavady main station. Relay transmitters do not broadcast commercial "run for profit" channels paid for by advertisers, the reason for not doing so basically down to the fact of the advertisers not being willing to pay for transmission facilities in areas of lower populations, as its considered by them that the profit expected from running such channels would not justify the costs involved.

link to this comment
jb38's 7,179 posts GB flag
Wednesday, 18 March 2015
D
daniel tristan
2:58 PM

I have an antenna on my roof that birds sit on why wont it pick up BBC one . I'm in Milton Keynes I had the anntena for 1 year now I get 16 stations . but only the BBC ones don't work. Channel 4 . itv work ok there 76% . BBC one .2.3.4 . BBC news . are 0 % . at first when the man put my anntena in I got BBC one at 12% . my mum gets more stations than me down stairs . I have my own anntena and hers is in the loft

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daniel tristan's 1 post GB flag
J
jb38
sentiment_very_satisfiedPlatinum

3:16 PM

daniel tristan : You should try retuning your TV whilst it temporarily connected into the aerial point used by your Mums TV, should this fail to make any difference to the situation, then carry out a "reset" on your TV (or box) followed by a second retune.

The reset referred to also known as "default setting" / "first time installation" etc.

link to this comment
jb38's 7,179 posts GB flag
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Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

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