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

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

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52.130,-0.242 or 52°7'47"N 0°14'33"W

SG19 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 22/04/2024 Pixelation or flickering on some or all channels

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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	H max	C27 (522.0MHz)	291m	DTG-	180,000W
	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)	291m	DTG-	180,000W
	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)	291m	DTG-	180,000W
	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 66 TBN UK,
COM4 SDN	H -0.2dB	C33 (570.0MHz)	291m	DTG-8	170,000W
	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)	289m	DTG-8	170,000W
	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)	289m	DTG-8	170,000W
	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?

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

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?

	1965-80s	1984-97	1997-98	1998-2011	2011-13	12 Feb 2020
	VHF	A K T	K T	K T	W T	W T
C6	ITV_waves
C21		C4_waves	C4_waves	C4_waves	+BBCB	BBCB
C24		ITV_waves	ITV_waves	ITV_waves	D3+4	D3+4
C27		BBC2_waves	BBC2_waves	BBC2_waves	BBCA	BBCA
C31		BBC1_waves	BBC1_waves	BBC1_waves
C32						com7
C33						SDN
C34						com8
C35						_local
C36						ArqA
C39			C5_waves	C5_waves
C43					_local
C48					ArqB	ArqB
C51_{tv_off}					SDN
C52_{tv_off}					ArqA
C55_{tv_off}						com7_{tv_off}
C56_{tv_off}						COM8_{tv_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

Local transmitter maps

Sandy Heath Freeview Sandy Heath DAB Sandy Heath AM/FM Sandy Heath TV region BBC Cambridge Anglia (West micro region)

Which companies have run the Channel 3 services in the Sandy Heath transmitter area

Oct 1959-Feb 2004	Anglia Television
Feb 2004-Dec 2014	ITV plc

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV Daybreak•

• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only.

Is the transmitter output the same in all directions?

R

Rob
9:41 AM

I'm sending it back for a replacement. Thanks for the comments everyone - much appreciated.
Steve - yes, endless factory resets and "empty" scans etc! Got it mid May and it "failed" near the end of May so the changes etc shouldn't be related. Tried the attenuator to no avail. Replacement should be with me soon....

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Rob's 5 posts FI flag

N

nigel
3:13 PM

Replaced my Panasonic Freeview tv with a new Panny set today. SD has always been 10 and still is but the 4 HD only have quality of 2 . Although there is no breakup this still seems too low . Reduced ?

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nigel's 2 posts EU flag

N

nigel
3:16 PM

Should have mentioned : mk43 , aerial

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nigel's 2 posts EU flag

S

Steve

_{sentiment_satisfied}Gold

4:41 PM

NOTE: D3&4 and HD use transitional S1 until 27 June 2012.

Nigel - Brian's note, above, may relate?

Also is at the extreme of the aerial respnse range.

did you plug your full postcode into the top right here and see what the choices say?

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Steve's 1,173 posts GB flag

J

jb38

_{sentiment_very_satisfied}Platinum

5:38 PM

nigel: "If" you are referring to HD from Sandy, (on Ch21) I carried out a check on my Panasonic HD set a few minutes ago and have full strength indications on both signal and , my location being just outside of using a gutter mounted amplified log .

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jb38's 7,179 posts GB flag

R

Rob
10:11 PM
Cambridge

Follow up to my earlier posts: returned the device and got replacement. Scanned and picked up everything perfectly and immediately so the fault was with the box after all!

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Rob's 5 posts GB flag

Rob's: R's Freeview map R's terrain plot R's frequency data R's Freeview Detailed Coverage

S

Steve

_{sentiment_satisfied}Gold

12:29 AM

Rob - yee hah!

We are so used to other problems that actual hardware failure is the last thought!

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Steve's 1,173 posts GB flag

O

OS1
10:35 PM
Newmarket

I am starting to think this switch over is just a huge con. Before the " boost" we got 103 radio and TV . Now it's 74. Film 4 has gone as has More 4. The box upstairs is displaying artefacts every 30 seconds. The is on a on the and is almost new and the cabling all good. We have a 4 way splitter box. Now I read something about not really going full strength until September. Why?! Didn't they have long enough in the first place? I also have been told that the in the could be an issue but without it how do we split the ? The Humax box downstairs is giving 74% for signal strength and 100% for . Blimey, things were a lot easier in 405 days!!

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OS1's 1 post GB flag

OS1's: O's Freeview map O's terrain plot O's frequency data O's Freeview Detailed Coverage

A

Adam Meakins
6:29 PM

hi there, I live in the Dunstable area and I see that you say that you cant get all the like itv2 and film4 etc. I have an in the with a and a splitter to 4 points. what do I need to buy to get the rest of the other channels?. kind regards
adam

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Adam Meakins's 1 post GB flag

S

Steve

_{sentiment_satisfied}Gold

11:54 PM

Adam - I don't follow your post.

What can YOU get and what can YOU not get?

I for one have no idea where Dunstable is.

If you plug your full postcode in top right there are useful links.

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Steve's 1,173 posts GB flag

Page 44

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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