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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 14/10/2024 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), 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
Monday, 7 March 2016
G
Giles
7:17 PM

No c32 picked up in Peterborough, anyone else with this problem

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Giles's 1 post GB flag
Tuesday, 8 March 2016
T
tony
7:35 PM

Bad pixelization of signal on all major channels NN8. Wellingborough.

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tony's 1 post GB flag
MikeP
sentiment_very_satisfiedPlatinum

10:03 PM
Trowbridge

Tony:

It could well be because of the transmitter work being carried out at present. During that, it is not uncommon for the signal to be weaker than usual, causing some pixilation.

Do *not* try a retune at present as you would likely lose channels.


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MikeP's 3,056 posts GB flag
MikeP's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Tuesday, 22 March 2016
D
David tye
6:24 PM

Hi, I have retuned my TV as suggested when I turned it on and I now only have 23 TV programmes and 13 Radio programmes. Please can you advise why this has happened as yesterday I seemed to have the full compliment

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David tye's 1 post GB flag
Thursday, 24 March 2016
S
seb
9:19 AM

Hello I'm new to this . I've recently moved to a new house in nn49qb .
My freeview reception is awful here where's in Bedford where I was I could get 100% on all channels here in Northampton only 55% and on most of the channels I only only get 25% . This is not a problem with my aerial as I've checked with 5 neighbours and there tv signal is the same . We all also are missing a few hd channels and most of the channels we have break up .

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seb's 1 post GB flag
J
jb38
sentiment_very_satisfiedPlatinum

11:37 PM

seb: Unfortunately you have moved into an area notorious for bad reception, both main stations that are receivable, namely Sandy (Anglia) and Sutton Coldfield (Central) predicting reception as only being good(?) on the main PSB (BBC / ITV) channels, reception of all COM channels indicated as "poor" from Sandy and "variable" from Sutton Coldfield.

To be perfectly honest about it there is nothing you can do, as the reception problem is caused by the signal path from Sandy experiencing a complete line-of-sight obstruction from approximately 11 miles prior to your location.

I would advise thinking along the lines of Freesat, as its about the only option you have to enable you to enjoy trouble free reception.

By the way, the line-of-sight obstructions referred to can be seen by opening the undermentioned link.



Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location




Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location




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jb38's 7,179 posts GB flag
Friday, 25 March 2016
M
Mrs Smith
7:22 PM

Hello I'm sebs neighbor I'm new here . I have the same problem and I understand the freesat idea would be great but unfortunately we cannot afford that and alot of people don't have 200 to spend on freesat my husband works full time and I'm a full time mum and it's frankly nearly impossible to pay the bills and feed my children .

So would it be possible for a new full service mast to be built in Northamptonshire I've looked at the map and I have friends who live in the green area and still have terrible service.



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Mrs Smith's 1 post GB flag
Saturday, 26 March 2016
J
Jason
12:35 PM

Hi . I have an indoor aerial its a good expensive one I'm able to get . Ch21 . Ch24. CH27 CH 52 AT 85% . 69% S .
but CH32 is only 51% q . 55 S , and Ch34 is 58q .56s . Ch48 is 75q and 69s .

What I'm asking is . Is this an acceptable signal strength . When light switches are pushed it breaks up a bit but other than that it seems fine my dad said that it has to be 100% q on all of the channels to be able to watch them .

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Jason's 3 posts GB flag
K
KMJ,Derby
sentiment_satisfiedGold

5:45 PM

Jason: more accurate advice could be given if you had given indication of your location, preferably with a postcode or that of a nearby shop in order to ascertain what signals are predicted to be available to you. Whilst 100% signal quality is desirable there are many instances where local reflections or low level signals from a distant transmitter cause a slight reduction in signal quality whilst perfectly acceptable reception is obtained. COM7 reception could be affected by signals from Emley Moor towards Grantham, or Hannington towards Luton, for example. Slight repositioning of the aerial might make a considerable difference to the signal quality (and strength) being obtained. Note that even with 100% quality there could still be interference from light switches due to their close proximity when using indoor or loft mounted aerials. Most tuners will be happy with a signal strength between 70% and 90%, a signal which is too strong can be as bad as one which is too weak, bearing in mind too that the calibration of signal strength indicators is somewhat arbitrary.

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KMJ,Derby's 1,811 posts GB flag
Sunday, 27 March 2016
R
Roy Mackenzie
8:35 AM

Hi I have an Echostar 610r working fine for approx 3 weeks (ebay refurb) when suddenly zero length recordings have appeared on HD CH54 multiplex other HD channels appear to record ok same for SD.
Tried Factory reset alternate power supply/aerial ect...even your reset procedure failed.
The failed recordings are there in total but will play back up to 2X speed only any faster moves to end of recording,don't think it's an AR fault have tried switching auto in recording to manual no different.
Just waiting for any clues before i change the HDD.
Thanks.

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Roy Mackenzie's 1 post GB flag
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