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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
_______

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), 71 That’s 60s,

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 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others

COM5
ArqA
 H -0.2dB
C36 (594.0MHz)289mDTG-8170,000W
Channel icons
11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others

COM6
ArqB
 H -0.2dB
C48 (690.0MHz)289mDTG-8170,000W
Channel icons
12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 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, 20 April 2011
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

12:51 PM

JohnB: The transmitter being closer or further away often has little to do with it, because the transmitters have different power levels. Once switchover completes you have three options: Belmont, which transmits Yorkshire/Lincolnshire regional programmes, Waltham, which broadcasts East Midlands, and Sandy Heath which broadcasts East programmes. Of those, Sandy Heath is the most powerful for ArqB, then Belmont, then Waltham.

The Sky Sports channels should still appear in a Freeview box's programme guide, at channels 41 and 42, even though they're scrambled. It's possible that your box has tuned in a weak version of Mux D from another transmitter, because that multiplex is on a higher frequency than Sandy Heath at the other nearby transmitters. Try deleting all the channels carried by ArqB and then manually tuning C67.

Once you've got Sky Sports 1 and 2 in the EPG, check the reception of other channels on ArqB, such as ITV4, Film4 and Yesterday, to see if Sky Sports will be reliable.

link to this comment
Mike Dimmick's 2,486 posts GB flag
P
peteroz
3:54 PM

Regarding BBC HD I am grateful to chris for raising the issue of the signal continually switching from 1080i to 1080p. This only seems to happen on Preview and I thought it must be a problem with my Sony Bravia. Is this a transmission problem?

link to this comment
peteroz's 1 post GB flag
Briantist
sentiment_very_satisfiedOwner

4:30 PM

peteroz: No, it is not a transmission problem, it is a receiver problem. Please contact Sony for an firmware upgrade.

link to this comment
Briantist's 38,915 posts GB flag
M
Martin
7:47 PM
Bedford

I moved during the digital switchover from 9.5 miles from Sandy Heath to 9.9 miles as the crow flies.

I now find that I've gained a much better quality BBC4 but lost Film4 and a number of other channels altogether.

I see from your excellent site that some channels have 'excellent' power and some are 'very low'. Any ideas when the 'very low' ones will strengthen?

link to this comment
Martin's 1 post GB flag
Martin's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Briantist
sentiment_very_satisfiedOwner

7:50 PM

Martin: As above, "The commercial multiplexes at Sandy Heath will remain on their pre-switchover channels and powers for a period after digital switchover. SDN will then temporarily move to channel 31 (at 20kW ERP) on 31 Aug 2011, before adopting its final allocation of channel 51 on 18th April 2012. Arqiva A will adopt its final allocation of channel 52 on 23 Nov 2011. Arqiva B will temporarily move to channel 67 (at 20kW ERP) at switchover and then it will adopt its final allocation of channel 48 on 14 Sept 2011."

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Briantist's 38,915 posts GB flag
S
Steve, Peterborough
10:30 PM
Peterborough

I'm now picking up everything except ArqB. I understand it's on ch67, and needs a wide band aeriel. My aeriel is in the loft, how can I tell if it's a wideband?

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Steve, Peterborough's 1 post GB flag
Steve,'s: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
Thursday, 21 April 2011
C
Colin
10:36 AM
Milton Keynes

I have noted that the power on CH67 seems to have crept up a bit in the last few days. I can now receive ARQ B MUX albeit a bit patchy at times. I would suggest that those who failed to get the MUX on 13th try another retune. You never know, it worked for me.

link to this comment
Colin's 7 posts GB flag
Colin's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
C
chris
1:29 PM

Briantist Re 1080i/1080p switch.
If you go to the BBC R & D blog it appears there is no firmware update for this from Sony yet. Toshiba & Samsung sets also are affected in different ways.
I expect it will be a drawn out discussion as to wether or not the set manufacturers are implimenting the freeview spec.
Chris

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chris's 16 posts GB flag
N
Nathan
6:26 PM
Cambridge

I'm in Cambridge, and I've lost all but one set of channels since Madingley switched off.


I can only get Mux C (Pick, Dave, Sky news, etc). The reception on these channels is fine, no problems seen so far. I haven't moved the antenna, but the reception I am getting is fine, and there's only 12 degrees difference.

I've got an old telly, a Sony KV28DX20U, with a built in digital tuner.

I've noticed that mux C is the only one using 16QAM-2k. Is this just that my TV is too old?

link to this comment
Nathan's 1 post GB flag
Nathan's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
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