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Freeview Light on the Chesham (Buckinghamshire, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.698,-0.618 or 51°41'52"N 0°37'5"Wsa_postcodeHP5 1BE

 

The symbol shows the location of the Chesham (Buckinghamshire, England) transmitter which serves 4,700 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 Chesham (Buckinghamshire, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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Which Freeview channels does the Chesham 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
 V max
C43 (650.0MHz)174mDTG-20W
Channel icons
1 BBC One (SD) London, 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
 V max
C40 (626.0MHz)174mDTG-20W
Channel icons
3 ITV 1 (SD) (London), 4 Channel 4 (SD) London ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 London ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (London),

PSB3
BBCB
 V max
C46 (674.0MHz)174mDTG-20W
Channel icons
46 5SELECT, 101 BBC One HD London, 102 BBC Two HD England, 103 ITV 1 HD (ITV London), 104 Channel 4 HD London ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

H/V: aerial position (horizontal or vertical)

Are you trying to watch these 44 Freeview channels?

the effected channels
the effected channels
the effected channels
the effected channels

The Chesham (Buckinghamshire, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! movies, GREAT! romance mix, GREAT! romance, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, Quest +1, Quest Red, Really, Sky Mix, Sky News, Talking Pictures TV, TCC, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, W, Yesterday +1.

If you want to watch these channels, your aerial must point to one of the 80 Full service Freeview transmitters. For more information see the will there ever be more services on the Freeview Light transmitters? page.

Which BBC and ITV regional news can I watch from the Chesham transmitter?

regional news image
BBC London 4.9m homes 18.4%
from London W1A 1AA, 38km east-southeast (119°)
to BBC London region - 55 masts.
regional news image
ITV London News 4.9m homes 18.4%
from London WC1X 8XZ, 40km east-southeast (117°)
to ITV London region - 55 masts.

How will the Chesham (Buckinghamshire, England) transmission frequencies change over time?

1984-971997-981998-20122012-1331 Mar 2018-
B E TB E TB E TB E K TB E K T
C40BBC1wavesBBC1wavesBBC1wavesD3+4D3+4
C43ITVwavesITVwavesITVwavesBBCABBCA
C46BBC2wavesBBC2wavesBBC2wavesBBCBBBCB
C50tv_offC4wavesC4wavesC4waves

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 4 Apr 12 and 18 Apr 12.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-4 100W
BBCA, D3+4, BBCB(-7dB) 20W

Which companies have run the Channel 3 services in the Crystal Palace transmitter area

Sep 1955-Jul 1968Associated-Rediffusion†
Sep 1955-Jul 1968Associated TeleVision◊
Jul 1968-Dec 1992Thames†
Jul 1968-Feb 2004London Weekend Television♦
Jan 1993-Feb 2004Carlton†
Feb 2004-Dec 2014ITV plc♦
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. Chesham was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Comments
Monday, 24 January 2011
Transmitter engineering
sentiment_very_satisfiedOwner

5:44 PM

CHESHAM transmitter - Analogue BBC ONE Off Air from 11:48 today to 12:10 today [BBC]

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Transmitter engineering's 149,799 posts xx flag
Tuesday, 25 January 2011
Transmitter engineering
sentiment_very_satisfiedOwner

6:47 AM

CHESHAM transmitter - Analogue BBC ONE Off Air from 11:48 yesterday to 12:10 yesterday [BBC]

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Transmitter engineering's 149,799 posts xx flag
Thursday, 31 March 2011
Transmitter engineering
sentiment_very_satisfiedOwner

7:42 PM

CHESHAM transmitter - Analogue BBC ONE Off Air from 17:51 today [BBC]

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Transmitter engineering's 149,799 posts xx flag
T
Tony Steel
9:43 PM

BBC1 on analogue (Ch. 40) dropped off of the map fairly early on Wednesday morning (30th March 2011) and has yet to re-appear. According to the diagnostic tool on the BBC website there is no problem with the Chesham transmitter - curious...

link to this comment
Tony Steel's 1 post GB flag
Friday, 1 April 2011
Transmitter engineering
sentiment_very_satisfiedOwner

4:33 AM

CHESHAM transmitter - Analogue BBC ONE Off Air from 17:51 yesterday to 21:45 yesterday [BBC]

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Transmitter engineering's 149,799 posts xx flag
Briantist
sentiment_very_satisfiedOwner

7:33 AM

Tony Steel: See above.

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Briantist's 38,915 posts GB flag
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

4:23 PM
Reading

Tony Steel: I note that some of the same frequencies are in use at Sandy Heath, which has just begun switchover, but will still be used for low power services until September. Could be that something's been misconfigured or changed prematurely at that site.

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Mike Dimmick's 2,486 posts GB flag
Mike's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Saturday, 9 April 2011
K
Kevin Lynch
11:21 PM
Chesham

I hope this is the right forum.

I notice BBC2 analogue is so weak I can't get teletext.

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Kevin Lynch's 2 posts GB flag
Kevin's: mapK's Freeview map terrainK's terrain plot wavesK's frequency data K's Freeview Detailed Coverage
K
Kevin Lynch
11:23 PM
Chesham

I've logged a fault through BBC Website. Any other suggestions

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Kevin Lynch's 2 posts GB flag
Kevin's: mapK's Freeview map terrainK's terrain plot wavesK's frequency data K's Freeview Detailed Coverage
Monday, 11 April 2011
Transmitter engineering
sentiment_very_satisfiedOwner

9:37 AM

CHESHAM transmitter - Over the next week Chesham relay: TV (analogue) Service Shutdowns, TV (digital) working normally, Radio (analogue) working normally, Radio (digital) working normally. [DUK]

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Transmitter engineering's 149,799 posts xx flag
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