Marlborough (Wiltshire, England) digital TV transmitter

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51.418,-1.701 or 51°25'4"N 1°42'3"W

SN8 2ET

Transmitter faults and engineering works

The symbol shows the location of the Marlborough transmitter. The Marlborough transmitter covers 4,300 homes.

Other maps:

Marlborough DAB

Marlborough AM/FM

Mendip region

BBC West

West

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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.

Marlborough 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	20
	1 BBC One West, 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 C25 (506.0MHz) from 242m datum.
PSB2 D3+4	vertical	Maximum	64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2	20
	3 ITV (West), 4 Channel 4 South ads, 5 Channel 5 Part Network ads, 6 ITV 2, 13 Channel 4+1 South ads, 14 More 4, 28 E4, 33 ITV +1 (West), • as a digital multiplex transmitted on frequency C28 (530.0MHz) from 242m datum.
PSB3 BBCB	vertical	Maximum	256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4	20
	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, plus 1 others 232 The Space, • as a digital multiplex transmitted on frequency C22 (482.0MHz) from 242m datum.

Looking for these 26 channels?

The Marlborough (Wiltshire, 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 Marlborough transmitter

How the transmission frequencies change over time

	years	1950s~85	1984-97	1997-98	1998-2010	2010-13	2013-18	2013-18
	aerial group	VHF	A K	A K	A K	A K	A K	A K
	C7	BBCtv
	C22		BBC1	BBC1	BBC1	BBCB	BBCB	BBCB
	C25		ITV	ITV	ITV	BBCA	BBCA	BBCA
	C28		BBC2	BBC2	BBC2	D3+4	D3+4	D3+4
600	C32		C4	C4	C4

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 24th March and 7th April 2010.

Comparison of old analogue and current digital signal levels

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

History of Channel 3 in the Mendip transmitter area

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