Freeview Light on the Welwyn (Hertfordshire, England) transmitter
Google map | Bing map | Google Earth | 51.830,-0.227 or 51°49'48"N 0°13'36"W | AL6 9PX |
The symbol shows the location of the Welwyn (Hertfordshire, England) transmitter which serves 2,700 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 Welwyn (Hertfordshire, England) transmitter._______
Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
H/V: aerial position (horizontal or vertical)




The Welwyn (Hertfordshire, 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! christmas, GREAT! movies extra, GREAT! movies, 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 Christmas, 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 Freeview channels does the Welwyn 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 | C43 (650.0MHz) | 123m | DTG- | 30W |
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) | 123m | DTG- | 30W |
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) | 123m | DTG- | 30W |
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 |
Are you trying to watch these 44 Freeview channels?
The Welwyn (Hertfordshire, 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! christmas, GREAT! movies extra, GREAT! movies, 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 Christmas, 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 Welwyn transmitter?

ITV London News 4.9m homes 18.4%
from London WC1X 8XZ, 35km south-southeast (165°)
to ITV London region - 55 masts.
How will the Welwyn (Hertfordshire, England) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2012 | 2012-13 | 30 Mar 2018 | |||||
B E T | B E T | B E T | B E K T | B E K T | |||||
C40 | BBC1waves | BBC1waves | BBC1waves | D3+4 | D3+4 | ||||
C43 | ITVwaves | ITVwaves | ITVwaves | BBCA | BBCA | ||||
C46 | BBC2waves | BBC2waves | BBC2waves | BBCB | BBCB | ||||
C50tv_off | C4waves | C4waves | C4waves |
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 | 150W | |
BBCA, D3+4, BBCB | (-7dB) 30W |
Which companies have run the Channel 3 services in the Crystal Palace transmitter area
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Wednesday, 18 April 2012
WELWYN transmitter - Freeview BBC Digital TV Off Air; DSO related from 06:54 today to 07:20 today [BBC]
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WELWYN transmitter - Freeview BBC Digital TV Off Air; DSO related from 06:54 today to 07:20 today HD Digital TV Off Air from 17:27 today [BBC]
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WELWYN transmitter - Freeview BBC Digital TV Off Air; DSO related from 06:54 today to 07:20 today HD Digital TV Off Air from 17:27 today to 20:42 today [BBC]
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Thursday, 19 April 2012
WELWYN transmitter - Freeview BBC Digital TV Off Air; DSO related from 06:54 yesterday to 07:20 yesterday HD Digital TV Off Air from 17:27 yesterday to 20:42 yesterday [BBC]
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Friday, 20 April 2012
WELWYN transmitter - Freeview BBC Digital TV Off Air; DSO related from 06:54 on 18 Apr to 07:20 on 18 Apr HD Digital TV Off Air from 17:27 on 18 Apr to 20:42 on 18 Apr [BBC]
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Friday, 1 June 2012
WELWYN transmitter - Freeview HD Digital TV Off Air from 11:50 on 30 May to 11:51 on 30 May [BBC]
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Sunday, 26 June 2016
Transmitter engineering
10:09 PM
10:09 PM
WELWYN transmitter - Possible service interruptions [DUK]
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Monday, 4 July 2016
Transmitter engineering
12:09 AM
12:09 AM
WELWYN transmitter - Possible service interruptions [DUK]
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Sunday, 2 October 2016
Transmitter engineering
6:09 PM
6:09 PM
WELWYN transmitter - Possible service interruptions [DUK]
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Monday, 10 October 2016
Transmitter engineering
12:09 AM
12:09 AM
WELWYN transmitter - Possible service interruptions [DUK]
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