Freeview Light on the Porth (Rhondda Cynon Taff, Wales) transmitter
 | Google map |  | Bing map |  | Google Earth |  | 51.618,-3.404 or 51°37'3"N 3°24'14"W |  | CF39 9YG |
The symbol shows the location of the Porth (Rhondda Cynon Taff, Wales) transmitter which serves 4,000 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.
Are there any planned engineering works or unexpected transmitter faults on the Porth (Rhondda Cynon Taff, Wales) mast?
PORTH transmitter - Freeview: BBC Digital TV Off Air; DSO related from 10:14 today to 11:12 today, HD Digital TV Off Air; DSO related from 10:14 today to 11:12 today. FM: Radio 1 FM Off Air from 11:41 today to 12:07 today, Radio 2 FM Off Air from 11:41 today to 12:07 today, 
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
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)
The Porth (Rhondda Cynon Taff, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 4seven HD, 5SELECT, 5Spike, 5STAR, 5STAR +1, 5USA, 5USA +1, AlJazeera English (SD), Aljazeera English HD, BBC Four HD, BBC News HD, Blaze, Blaze +1, CBeebies HD, CBS Drama, CBS Justice, CBS Reality, CBS Reality +1, Challenge, Channel 4+1 HD, Channel 5 +1, CITV, Dave, Dave ja vu, DMAX, Drama, E4 +1, Food Network, Forces TV, Freesports, Home, Horror Channel, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Together TV +1, Movies4Men, NOW 80s, Now 90s, Paramount Network, PBS America, pick, Pick +1, Quest +1, Quest Red, Quest Red +1, Really, RT HD, Sewing Quarter, Sky News, Smithsonian Channel HD, Sony Movie Channel, Talking Pictures TV, TCC, Together TV, Yesterday, YourTV.
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 Porth 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) | 301m | DTG-3 | 12W |
 9 BBC Four, 201 CBBC SD, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 13 others | |||||
| PSB2 D3+4 | V max | C46 (674.0MHz) | 301m | DTG-3 | 12W |
 5 Channel 5 (SD), 6 ITV 2, 10 ITV3, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 24 ITV4, 33 ITV +1 (Wales), 45 Film4 +1, | |||||
| PSB3 BBCB | V max | C40 (626.0MHz) | 301m | DTG-6 | 12W |
 86 More4 +1, 104 Channel 4 HD South ads, 105 Channel 5 HD, 204 CBBC HD, | |||||
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 60 Freeview channels?
The Porth (Rhondda Cynon Taff, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 4seven HD, 5SELECT, 5Spike, 5STAR, 5STAR +1, 5USA, 5USA +1, AlJazeera English (SD), Aljazeera English HD, BBC Four HD, BBC News HD, Blaze, Blaze +1, CBeebies HD, CBS Drama, CBS Justice, CBS Reality, CBS Reality +1, Challenge, Channel 4+1 HD, Channel 5 +1, CITV, Dave, Dave ja vu, DMAX, Drama, E4 +1, Food Network, Forces TV, Freesports, Home, Horror Channel, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Together TV +1, Movies4Men, NOW 80s, Now 90s, Paramount Network, PBS America, pick, Pick +1, Quest +1, Quest Red, Quest Red +1, Really, RT HD, Sewing Quarter, Sky News, Smithsonian Channel HD, Sony Movie Channel, Talking Pictures TV, TCC, Together TV, Yesterday, YourTV.
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 Porth transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 18km southeast (138°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 20km south-southeast (153°)
to ITV Wales region - 206 masts.
How will the Porth (Rhondda Cynon Taff, Wales) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2010 | 2010-13 | 13 Mar 13 | 2013-17 | 30 Jun 2019- | |||
| B E T | B E T | B E T | B E T | B E K T | B E K T | B E K T | |||
| C40 | BBC1waves | BBC1waves | BBC1waves | BBCB | BBCB | BBCB | |||
| C43 | ITVwaves | ITVwaves | ITVwaves | BBCA | BBCA | BBCA | BBCA | ||
| C46 | BBC2waves | BBC2waves | BBC2waves | D3+4 | D3+4 | D3+4 | D3+4 | ||
| C50tv_off | C4waves | C4waves | C4waves | BBCB |
tv_off Being removed from Freeview (for 5G use) by 30 June 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 3 Mar 10 and 31 Mar 10.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 59W | |
| BBCA, D3+4, BBCB | (-6.9dB) 12W |
Which companies have run the Channel 3 services in the Wenvoe transmitter area
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Tuesday, 15 October 2019
Transmitter engineering
2:08 PM
2:08 PM
PORTH transmitter - Freeview: BBC Digital TV Off Air; DSO related from 10:14 today to 11:12 today, HD Digital TV Off Air; DSO related from 10:14 today to 11:12 today. FM: Radio 1 FM Off Air from 11:41 today to 12:07 today, Radio 2 FM Off Air from 11:41 today to 12:07 today, [BBC]
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