Assendon (Oxfordshire, England) digital TV transmitter

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51.565,-0.942 or 51°33'52"N 0°56'33"W

RG9 6BP

Transmitter faults and engineering works

The symbol shows the location of the Assendon transmitter. The Assendon transmitter covers less than 500 homes.

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Crystal Palace region

BBC London

London

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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.

Assendon transmitter Freeview broadcasts

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. The rating shown takes in account the output power level and the various Freeview transmission modes and do not indicate an ongoing fault.

Mux	Effective power level, aerial position	Rating	Mode	Watts
PSB1 BBCA	vertical	Maximum	64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2	2
	1 BBC One London, 2 BBC Two England, 7 BBC Three, 9 BBC Four, 70 CBBC Channel, 71 CBeebies, 80 BBC News, 81 BBC Parliament, 301 301, plus 12 others 200 BBC Red Button, 700 BBC Radio 1, 701 BBC 1Xtra, 702 BBC Radio 2, 703 BBC Radio 3, 704 BBC Radio 4, 705 BBC Radio 5 Live, 706 BBC Radio 5 Live Sports Extra, 707 BBC 6 Music, 708 BBC Radio 4 Extra, 709 BBC Asian Network, 710 BBC World Service, • as a digital multiplex transmitted on frequency C59 (778.0MHz) from 136m datum.
PSB2 D3+4	vertical	Maximum	64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2	2
	3 ITV (London), 4 Channel 4 London ads, 5 Channel 5 London ads, 6 ITV 2, 13 Channel 4+1 London ads, 14 More 4, 28 E4, 33 ITV +1 (London), • as a digital multiplex transmitted on frequency C55 (746.0MHz) from 136m datum.
PSB3 BBCB	vertical	Maximum	256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4	2
	101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV London), 104 Channel 4 HD London ads, plus 1 others 232 The Space, • as a digital multiplex transmitted on frequency C50 (706.0MHz) from 136m datum.

Looking for these 26 channels?

The Assendon (Oxfordshire, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 5*, 5USA, Al Jazeera English, Challenge, Channel 5 +1, CITV, Community Channel, Dave, Dave ja vu, E4+1, Film 4, Food Network, ITV 2 +1, ITV 3, ITV 4, Movie Mix, PICK TV, Quest, Really, RT English , Sky News, The Zone, VIVA, Yesterday.

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.

Regional news from the Assendon transmitter

How the transmission frequencies change over time

	years		1984-97	1997-98	1998-2012	2012-13	2013-18	2013-18
	aerial group		C/D E	C/D E	C/D E	C/D E	C/D E	C/D E
700	C50					BBCB	BBCB	BBCB
	C55		BBC1	BBC1	BBC1	D3+4	D3+4	D3+4
	C58		ITV	ITV	ITV
	C59					BBCA	BBCA	BBCA
800	C65		C4	C4	C4
	C68		BBC2	BBC2	BBC2

orange background for multiplexes names more

green background for transmission frequencies

lilac background for power levels in watts

800MHz band: 4G mobile to start 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 4th April and 18th April 2012.

Comparison of old analogue and current digital signal levels

Analogue 1-4	8W
BBCA, D3+4, BBCB	(-6dB) 2W

History of Channel 3 in the Crystal Palace transmitter area

Sep 1955-Jul 1968 Associated-Rediffusion† Sep 1955-Jul 1968 Associated TeleVision◊ Jul 1968-Dec 1992 Thames† Jul 1968-Feb 2004 London Weekend Television♦ Jan 1993-Feb 2004 Carlton† Feb 2004-Dec 2014 ITV plc♦ Feb 2004-Dec 2014 ITV plc†

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