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

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.747,-0.475 or 51°44'50"N 0°28'29"Wsa_postcodeHP1 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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 V max
C41 (634.0MHz)154mDTG-38W
Channel icons
1 BBC One (SD) London, 2 BBC Two England, 9 BBC Four, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 15 others

PSB2
D3+4
 V max
C44 (658.0MHz)154mDTG-38W
Channel icons
3 ITV (SD) (London), 4 Channel 4 (SD) London ads, 5 Channel 5 (SD), 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 London ads, 18 More4, 24 ITV4, 33 ITV +1 (London),

PSB3
BBCB
 V max
C47 (682.0MHz)154mDTG-68W
Channel icons
74 Shopping Quarter , 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV London), 104 Channel 4 HD London ads, 105 Channel 5 HD, 204 CBBC HD, plus 1 others

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 52 Freeview channels?

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

The Hemel Hempstead Town (Hertfordshire, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 5SELECT, 5STAR, 5USA, Aljazeera English, BBC Four HD, BBC News HD, Blaze, Blaze +1, CBeebies HD, CBS Drama, CBS Justice, CBS Reality, Together TV +1, Challenge, Channel 5 +1, CITV, Dave, Dave ja vu, DMAX, Drama, E4 +1, Film4 +1, Food Network, Forces TV, FreeSports, HGTV, Horror Channel, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, More4 +1, Now 70s, NOW 80s, Paramount Network, PBS America +1, pick, Pick +1, Quest +1, Quest Red, Quest Red +1, Really, RT HD, Sky News, Smithsonian Channel, Sony Movies Action, Talking Pictures TV, TCC, Together TV, 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 Hemel Hempstead Town transmitter?

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

1984-971997-981998-20122012-132013-182013-1718 Apr 2018
C/D EC/D EC/D EC/D E TC/D E TC/D E TB E K T
C41BBCA
C44D3+4
C47BBCB
C53tv_offBBCBBBCBBBCB
C54tv_offC4wavesC4wavesC4waves
C57tv_offD3+4D3+4D3+4
C58tv_offBBC1wavesBBC1wavesBBC1waves
C60tv_offBBCABBCABBCA
C61ITVwavesITVwavesITVwaves
C64BBC2wavesBBC2wavesBBC2waves

tv_off Being removed from Freeview (for 5G use) after November 2020 - 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

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. 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.

Comments
Friday, 21 December 2018
Transmitter engineering
sentiment_very_satisfiedOwner

5:09 AM

HEMEL HEMPSTEAD TOWN transmitter - Freeview: HD Digital TV Off Air from 23:18 on 19 Dec to 23:18 on 19 Dec. [BBC]

link to this comment
Transmitter engineering's 130,737 posts xx
Sunday, 6 October 2019
Transmitter engineering
sentiment_very_satisfiedOwner

5:08 PM

HEMEL HEMPSTEAD TOWN transmitter - Freeview: HD Digital TV Off Air from 15:32 today to 15:33 today. [BBC]

link to this comment
Transmitter engineering's 130,737 posts xx
Monday, 7 October 2019
Transmitter engineering
sentiment_very_satisfiedOwner

5:08 AM

HEMEL HEMPSTEAD TOWN transmitter - Freeview: HD Digital TV Off Air from 15:32 yesterday to 15:33 yesterday. [BBC]

link to this comment
Transmitter engineering's 130,737 posts xx
Tuesday, 8 October 2019
Transmitter engineering
sentiment_very_satisfiedOwner

4:29 AM

HEMEL HEMPSTEAD TOWN transmitter - Freeview: HD Digital TV Off Air from 15:32 on 06 Oct to 15:33 on 06 Oct. [BBC]

link to this comment
Transmitter engineering's 130,737 posts xx
Wednesday, 11 March 2020
Transmitter engineering
sentiment_very_satisfiedOwner

10:29 PM

HEMEL HEMPSTEAD TOWN transmitter - Freeview: Off the air due to a fault from 10 Mar 01:52 until 10 Mar 01:55. Off the air due to a fault from 10 Mar 01:46 until 10 Mar 01:50. . [BBC]

link to this comment
Transmitter engineering's 130,737 posts xx
Wednesday, 10 June 2020
Transmitter engineering
sentiment_very_satisfiedOwner

10:29 AM

HEMEL HEMPSTEAD TOWN transmitter - Freeview: Off the air due to a fault from 6 Oct 15:32 until 6 Oct 15:33. . [BBC]

link to this comment
Transmitter engineering's 130,737 posts xx
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