Freeview Light on the Hemel Hempstead Town (Hertfordshire, England) transmitter

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

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51.747,-0.475 or 51°44'50"N 0°28'29"W

HP1 1BT

The symbol shows the location of the Hemel Hempstead Town (Hertfordshire, England) transmitter which serves 6,800 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 Hemel Hempstead Town (Hertfordshire, 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 Hemel Hempstead Town 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	V max	C41 (634.0MHz)	154m	DTG-	8W
	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	C44 (658.0MHz)	154m	DTG-	8W
	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), 71 That’s 60s,
PSB3 BBCB	V max	C47 (682.0MHz)	154m	DTG-	8W
	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 66 TBN UK,

H/V: aerial position (horizontal or vertical)

Are you trying to watch these 44 Freeview channels?

The Hemel Hempstead Town (Hertfordshire, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, FRANCE 24 (in English), GREAT! action, GREAT! christmas, GREAT! movies, GREAT! romance mix, 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, That's 90s, That's TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.

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 Hemel Hempstead Town transmitter?

BBC London 4.9m homes 18.4%
from London W1A 1AA, 34km southeast (136°)
to BBC London region - 55 masts.

ITV London News 4.9m homes 18.4%
from London WC1X 8XZ, 35km southeast (133°)
to ITV London region - 55 masts.

How will the Hemel Hempstead Town (Hertfordshire, England) transmission frequencies change over time?

	1984-97	1997-98	1998-2012	2012-13	18 Apr 2018
	C/D E	C/D E	C/D E	C/D E T	B E K T
C41					BBCA
C44					D3+4
C47					BBCB
C53_{tv_off}				BBCB
C54_{tv_off}	C4_waves	C4_waves	C4_waves
C57_{tv_off}				D3+4
C58_{tv_off}	BBC1_waves	BBC1_waves	BBC1_waves
C60_{tv_off}				BBCA
C61	ITV_waves	ITV_waves	ITV_waves
C64	BBC2_waves	BBC2_waves	BBC2_waves

_{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	20W
BBCA, D3+4, BBCB	(-4dB) 8W

Local transmitter maps

Hemel Hempstead Town Freeview Crystal Palace TV region BBC London London

Which companies have run the Channel 3 services 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†

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. Hemel Hempstead Town 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.

Is the transmitter output the same in all directions?

Comments

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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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