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Freeview Light on the Porlock (Somerset, England) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.204,-3.600 or 51°12'15"N 3°36'1"Wsa_postcodeTA24 8QW


The symbol shows the location of the Porlock (Somerset, England) transmitter which serves 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 Porlock (Somerset, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

Which Freeview channels does the Porlock 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.

 V max
C24 (498.0MHz)195mDTG-5W
Channel icons
1 BBC One (SD) West, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 16 others

 V max
C27 (522.0MHz)195mDTG-5W
Channel icons
3 ITV 1 (SD) (West), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV1 +1 (West),

 V max
C21+ (474.2MHz)195mDTG-5W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

H/V: aerial position (horizontal or vertical)

Are you trying to watch these 43 Freeview channels?

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

The Porlock (Somerset, England) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Blaze, Blaze +1, CBS Reality, Challenge, Channel 5 +1, CITV, YAAAS!, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, Film4 +1, Food Network, GB News, GREAT! movies, GREAT! movies action, HGTV, HobbyMaker, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Smithsonian Channel, Talking Pictures TV, TCC, That's TV (UK), Together TV, 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 Porlock transmitter?

regional news image
BBC Points West 0.9m homes 3.4%
from Bristol BS8 2LR, 75km east-northeast (68°)
to BBC West region - 60 masts.
regional news image
ITV West Country News (East) 0.9m homes 3.4%
from Bristol BS4 3HG, 77km east-northeast (70°)
to ITV West region - 61 masts.
All of lunch, weekend and 50% evening news is shared with West Country (West)

How will the Porlock (Somerset, England) transmission frequencies change over time?

1984-971997-981998-20102010-135 Jun 2019

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 24 Mar 10 and 7 Apr 10.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-4 25W
BBCA, D3+4, BBCB(-7dB) 5W

Which companies have run the Channel 3 services in the Mendip transmitter area

Jan 1958-Jul 1968Television Wales and the West
Jul 1968-Feb 2004Harlech Television
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. Porlock 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.

Monday, 27 July 2015
Transmitter engineering

12:09 PM

PORLOCK transmitter - RelayPossible service interruptions [DUK]

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Transmitter engineering's 139,672 posts xx
Tuesday, 20 September 2016
Transmitter engineering

10:09 AM

PORLOCK transmitter - Possible service interruptions [DUK]

link to this comment
Transmitter engineering's 139,672 posts xx
Wednesday, 28 September 2016
Transmitter engineering

12:09 AM

PORLOCK transmitter - Possible service interruptions [DUK]

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Transmitter engineering's 139,672 posts xx
Wednesday, 3 January 2018
P G Bartlett
6:07 PM

We have lost our freeview signal in Porlock Somerset

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P G Bartlett's 1 post GB
Monday, 27 June 2022
10:57 AM

Ta24 8nb Porlock antenna. My free View reception is often pixelating. Today we have signal level of 92% but bit error level is all over the place, up to 500. Channels 1,2,3,4 all affected. I can see the mast from our window and the free view tv is connected to a loft mounted aerial. I do not believe we have anything in the house that would cause interference. Any ideas? Is the quality of transmitted signal monitored all the time?
Ps. My friend who runs a caravan site at ta24 8qt has terrible reception for the last month.
Regards Keith Ward

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Ward's 1 post GB

1:22 PM


Hi. Some basic checks, have you retuned at all recently? If so, check in your TV tuning section you are correctly tuned to Porlock's UHF channels which are C24, C27, C21 for BBCA/PSB1, D3&4/PSB2 and BBCB HD/PSB3.
Other signals can be received in your location and some of the recent weather conditions can cause Tropospheric Ducting/Temperature Inversion which could make such signals quite strong.

Porlock is a relay of Mendip and Mendip has had Planned Engineering in recent weeks and that may be affecting the signals at Porlock, nothing can be done about that, one has to wait for work to be complete. There are no recently reported faults or engineering at Porlock.

Have you checked your aerial hasn't been inadvertently disturbed, it should be pointing compass bearing 234 degrees (9 degrees W of SW) with the rods vertical, also check you haven't had any vermin chewing cables!

Your friend's caravan site is not in a "predicted" Freeview reception area. That doesn't mean that he wouldn't be able to get any reception as predictions aren't 100% but it does mean reception could be quite variable to poor. Reception may even be from an "out of area" transmitter. Do you know which way his aerial points and which way the rods are?

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Chris.SE's 3,337 posts GB
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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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