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Full Freeview on the Sandy Heath (Central Bedfordshire, England) transmitter

First published
by
on 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

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. Click to recheck [+] 

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The symbol shows the location of the Sandy Heath (Central Bedfordshire, England) transmitter which serves 920,000 homes.

Other mapstxdabSandy Heath DABtxradioSandy Heath AM/FMtxregionSandy Heath TV regiontx1BBC Cambridge
tx3Anglia (West micro region)txdabxxDAB in Central BedfordshiretxradioxxAM/FM in Central Bedfordshire

Is the transmitter output the same in all directions?

Internet Explorer 9+, Firefox, Opera, Chrome, and Safari required

What do the colours on the map mean?

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.


List by multiplex|List by channel number|List by channel name|See terrain plot

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.

MuxAerial positionFrequencyHeightModeWatts
PSB1
BBCA
 horizontal max
C27 (522.0MHz)291m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2
180,000W
Channel icons
1 BBC One Cambridge, 2 BBC Two England, 7 BBC Three, 9 BBC Four, 70 CBBC Channel, 71 CBeebies, 80 BBC News, 81 BBC Parliament, 301 BBC Red Button 1, plus 12 others

PSB2
D3+4
 horizontal max
C24 (498.0MHz)291m64QAM 8K 2/3
24.1Mb/s DVB-T MPEG2
180,000W
Channel icons
3 ITV (Anglia (West micro region)), 4 Channel 4 South ads, 5 Channel 5 Part Network ads, 6 ITV 2, 13 Channel 4+1 South ads, 14 More 4, 15 Film 4, 28 E4, 33 ITV +1 (Anglia east),

PSB3
BBCB
 horizontal max
C21+ (474.2MHz)291m256QAM 32KE 2/3
40.2Mb/s DVB-T2 MPEG4
180,000W
Channel icons
73 CBBC HD, 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 BBC Three HD, plus 1 others

COM4
SDN
 horizontal -0.2dB
C51 (714.0MHz)291m64QAM 8K 3/4
27.1Mb/s DVB-T MPEG2
170,000W
Channel icons
10 ITV 3, 20 Drama, 25 Dave ja vu, 26 ITV 4 +1, 27 ITV 2 +1, 30 5*, 31 5USA, 34 ITV 3 +1, 37 Quest, 39 JML Store, 44 Channel 5 +1, 55 Channel 5 +24, 61 True Entertainment, 66 CBS Reality, 72 CITV, plus 19 others

COM5
ArqA
 horizontal -0.2dB
C52 (722.0MHz)289m64QAM 8K 3/4
27.1Mb/s DVB-T MPEG2
170,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4+1, 32 Movie Mix, 38 Quest +1, 41 Food Network, 42 Travel Channel, 46 Challenge, 48 Movies4Men, 63 Community Channel, 68 truTV, 82 Sky News, 302 BBC Red Button 2, plus 10 others

COM6
ArqB
 horizontal -0.2dB
C48 (690.0MHz)289m64QAM 8K 3/4
27.1Mb/s DVB-T MPEG2
170,000W
Channel icons
18 4Music, 19 Yesterday, 21 VIVA, 24 ITV 4, 45 Film 4 +1, 47 4seven, 58 BT Sport 1 (not free), 59 BT Sport 2 (not free), 83 Al Jazeera English, 85 RT English , plus 20 others

com7
 horizontal -13.3dB
C32 (562.0MHz)291m256QAM 32KE 2/3
40.2Mb/s DVB-T2 MPEG4
8,400W
Channel icons
74 CBeebies HD, 84 Al Jazeera Arabic, 106 BBC Four HD, 107 BBC News HD, 108 Al Jazeera HD, 109 Community Channel HD, 110 Channel 4+1 HD, 111 4seven HD, plus 1 others

com8
 horizontal -13.3dB
C34 (578.0MHz)291m256QAM 32KE 2/3
40.2Mb/s DVB-T2 MPEG4
8,400W
Channel icons
starts sometime during 2014:



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
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
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?

years1965~851984-971997-981998-20112011-132013-182013-18
aerial groupVHFA KKWWWW
C6ITV
C21C4C4C4+BBCB+BBCB+BBCB
C24ITVITVITVD3+4D3+4D3+4
C27BBC2BBC2BBC2BBCABBCABBCA
600C31BBC1BBC1BBC1
C32com7
C34com8
C39C5C5
C40+C
C42-1
C43+A_local_local_local
C45-2
C46+D
C48ArqBArqBArqB
700C51SDNSDNSDN
C52ArqAArqAArqA
800C67B

orange background for multiplexes names moregreen background for transmission frequencieslilac background for power levels in watts800MHz band: 4G mobile to start in 2013700MHz band: possible 4G in 2019 more600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 30th March and 13th April 2011.

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
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*(-17dB) 20kW
Analogue 5(-20dB) 10kW
com7, com8(-20.8dB) 8.4kW

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.



Your comments: most recent posts are at the bottom

firstFirst comments prevEarlier comments  ◊  Later commentsnext Latest commentslast

Your comments are always welcome. Please use the form below to add your thoughts or questions to this page. We will get back to you as soon as we can.

M
Mark Fletcher
Wednesday 30 November 2011 5:45PM Halifax

Christina McCaffrey,Bedford.Hard to say without a full postcode.Single frequency interference could be the issue here.The BBCA mux on Sandy Heath is on frequency 27,is your loft aerial polarised horizontally in which case it will be receiving transmissions as such from the main Sandy Heath transmitter.If it's polarised vertically then your transmissions will come from a local relay as such.

M
Mitesh Shah
Thursday 1 December 2011 1:33PM

At the start of switch over I was getting 141 DTV, 55 Radio, and 6 TV channels, after doing the last reset I only get 52 DTV, 20 Radio and 5 TV channels, WHY?

B
brian
Tuesday 13 December 2011 7:15PM March

It appears that the Tx'er info above is out of date ie: Sandy Heath Mux C is now channel 52 (frequency ? )
Brian

A
ALAN PEACHEY
Tuesday 13 December 2011 8:43PM

It was a chsnge of frequency from 67 to 52. I can assure you Channel 31 is still giving me a lot problems as it keeps breaking up because of the interference from Crystel Palace which uses the same channel 31 as well.



Briantist
Wednesday 14 December 2011 9:08PM

brian: Bug fixed, sorry about that.

Shaun Southall
Friday 16 December 2011 11:27PM

Hi, I'm in Little Stanion in Northants just outside Corby NN18 8SB (nearest alternative postcode is NN18 8EY). Got a local installer to install a loft aerial and he's turned out to be worse than useless.

On main tv signal quality on most muxes it up at around 90-100/100 after turning the gain on the 4 way amplifier right up. Signal strength is at no higher than 24/100 (8/100 before I re-made up all his BNC ends!).

Regardless this doesn't seem to a problem for most channels. the HD channels suffer with intermittent drops in signal quality down to 0 for a few seconds, with no picture or major pixellation, before returning up to around 95/100. Strength is lower at around 18/100.

I can't get any of the Mux A channels.

The aerial guy is fobbing me off with every excuse under the sun- its the TV (brand new sony bravia that was fine when pointing to Oxford in my old house), it's the transmitter(checked several times on here- no major problems), we're in a bad signal area (everything seems to point to it not being THAT bad!).

Any help greatly appreciated! Thanks

Dave Lindsay
Saturday 17 December 2011 12:15AM

Shaun Southall: Mux A (SDN) does not go to full power until next year.

I've seen comments made on here by professionals about new houses tending to have rooves that can reduce signal strength.

Could you not have had the aerial fitted outside?

Shaun Southall
Saturday 17 December 2011 9:28PM

@Dave Lindsay - thanks, not really unfortunately. I plan to have a dish on the front of the house so dish plus aerial would probably have the builders running round trying to pull them both down!

Would it make sense to try a stronger aerial? It looks like he's used a very short DM log periodic...

C
Charles Stuart
Sunday 18 December 2011 11:50PM

@ Shaun Southall

Yes, a high gain aerial will help. Aerials are actually very easy to fit, if the cabling is in place. Just disconnect the current aerial making sure that you know precisely where it's pointing (put a line on the loft floor). Connect the new aerial and attach to the pole in place of the old one.

You can get a high gain aerial from Homebase for about £30. However, I have no idea how good it is. You might wish to buy a very high gain aerial, though they're expensive and you risk having a signal that's too strong.

You could also try turning the existing aerial to try and pick up signals from Waltham instead. You'll get East Midlands local TV instead of East but otherwise it'll be the same. You'll need a compass and to know the number of degrees from north of the Waltham transmitter.

After you've got the aerial in the right position, try to tune the STB. If you get a signal, see how strong it is. If not at maximum, move the aerial slightly. It's trial and error until you get it right and a second person is useful. Humans make good TV aerials, so no one should touch it when reading the signal strength. My experience is that walls do strange things with the directionality of TV signals, sometimes meaning that you need to be up to 10° off the actual direction.

B
Bob
Wednesday 21 December 2011 12:29PM

I live on the extreme eastern edge of Sandy's coverage (Breckland) but since the recent changes, I am getting perfect reception of ALL Muxes, with very little signal/quality difference between them - that is on the communal Ant. On a separate WB ant, aimed at Tacolneston (with a masthead pre-amp) - again all very good, even getting most of Sandy from the back. I'm wondering if folks having reception problems, are using very old ant's & equipment?




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.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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