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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

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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-3180,000W
Channel icons
1 BBC One Cambridge, 2 BBC Two England, 9 BBC Four, 120 CBBC, 121 CBeebies, 130 BBC News, 131 BBC Parliament, 601 BBC Red Button 1, plus 17 others

PSB2
D3+4
 H max
C24 (498.0MHz)291mDTG-3180,000W
Channel icons
3 ITV (Anglia (West micro region)), 4 Channel 4 South ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 South ads, 14 More4, 15 Film4, 24 ITV4, 28 E4, 33 ITV +1 (Anglia east),

PSB3
BBCB
 H max
C21+ (474.2MHz)291mDTG-6180,000W
Channel icons
45 Film4 +1, 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, 123 CBBC HD, 602 BBC Red Button 2, 603 BBC Red Button 3,

COM4
SDN
 H -0.2dB
C51 (714.0MHz)291mDTG-8170,000W
Channel icons
10 ITV3, 20 Drama, 21 5 USA, 26 ITV Be, 27 ITV 2 +1, 30 5STAR, 34 ITV3 +1, 37 Quest, 44 Channel 5 +1, 55 Channel 5 +24, 58 ITV Be +1, 61 True Entertainment, 62 ITV4 +1, 66 CBS Reality, 70 Horror Channel, 122 CITV, plus 22 others

COM5
ArqA
 H -0.2dB
C52 (722.0MHz)289mDTG-8170,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Movie Mix, 41 Food Network, 46 Challenge, 48 Movies4Men, 68 truTV, 69 Tru TV +1, 72 YourTV, 126 Tiny Pop, 132 Sky News, plus 18 others

COM6
ArqB
 H -0.2dB
C48 (690.0MHz)289mDTG-8170,000W
Channel icons
 Al Jazeera English,  BT Sport 1 (not free), 18 4Music, 19 Yesterday, 25 Home, 31 Spike, 38 Quest +1, 42 Travel Channel, 47 4seven, 59 BT Showcase (not free), 63 Community Channel, 64 CBS Action, 73 YourTV +1, 84 Dave ja vu, plus 19 others

com7
 H -5.6dB
C32 (562.0MHz)291mDTG-649,600W
Channel icons
 Buz Muzik, 57 VIVA, 67 CBS Reality +1, 71 CBS Drama, 78 5USA +1, 81 Talking Pictures TV, 86 Vintage TV, 87 Keep It Country, 106 BBC Four HD, 107 BBC News HD, 108 Al Jazeera Eng HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD, 124 CBeebies HD, 134 Al Jazeera Arabic, plus 4 others

com8
 H -5.6dB
C34 (578.0MHz)291mDTG-649,100W
Channel icons
plus 2 others



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
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 more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: possible 4G in 2019 more
600MHz 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
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, 19 July 2016
J
John rye
7:19 PM

My post code is CB9 since an automatic new dvb service re-tune at the weekend BBC 2, ITV4, BBC HD and others have disappeared from my standard TV set menu, however my Freeview box services are all present and correct.
I have re-tuned the STANDARD set without success what is the problem?
Is it Sandy Heath?

link to this
John rye's 1 post GB
M
MikeB
11:57 PM

John rye: Your missing some muxes, so check that TV is actually locking on to that transmitter. And check signal strength - could be that the aerial lead to it has a problem - try swapping them over.

BBC4 HD if often at lower strength than ITV, but if your missing both, it cant be the transmitter - it either works, or it doesn't.

link to this
MikeB's 1,861 posts Gold Gold GB
Tuesday, 26 July 2016
Saturday, 30 July 2016
J
John King
5:22 PM

a quick thanks to jb38 as I was indeed having some problems from my digibox retuning to the wrong transmitter. when my reception of ch51 and ch52 is poor it sometimes retunes com4 and com5 to ch42 and ch45 (Tacolneston, perhaps).
I've retuned now (2 or 3 weeks ago) and keeping an eye in case it retunes again - but of course if the signal was good I wouldn't have the problem.

Quick update, I am in Peterborough (PE3), since early June my Com5 reception has been a couple of seconds of picture followed by longer gaps of no picture. Sometimes Com4 is affected too but the other muxes are fine.
But last week things changed ...and went on changing
Sunday was the same as it had been.
Monday, it was fine (except for occasional very small glitches)
Tuesday, the problem returned to com5.
Wednesday, occasional brief picture loss on com5 but the quiz shows on Challenge were watchable
after that ... virtually nothing on any of the com5 channels (so worse than before)

link to this
John King's 3 posts GB
M
MikeB
8:44 PM

John King: I'm in Peterborough as well, but on Waltham. Check the signal levels on all the muxes - Com 5 should be about the same as most of the others (Com7 is certainly weak).

The most likely problem is somewhere in your system - perhaps a frayed cable, loose join, etc. Cables can be odd, and a problem might mean a really strong mux is wiped out, but a much weaker one is OK. Simply changing the aerial lead isn't a bad idea - they are cheap, easy to change, and if there is no difference, then at least you know its not that.

If there is still a problem, then you'll have to check up the signal path - good luck!

link to this
MikeB's 1,861 posts Gold Gold GB
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