Freeview Light on the Carno (Powys, Wales) transmitter
Google map | Bing map | Google Earth | 52.553,-3.550 or 52°33'9"N 3°33'0"W | SY17 5JP |
The symbol shows the location of the Carno (Powys, Wales) transmitter which serves less than 500 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.
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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.
H/V: aerial position (horizontal or vertical)




The Carno (Powys, Wales) 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 Carno 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 | C24 (498.0MHz) | 314m | DTG- | 2W |
1 BBC One (SD) Wales, 2 BBC Two Wales, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 14 others | |||||
PSB2 D3+4 | V max | C27 (522.0MHz) | 314m | DTG- | 2W |
5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Wales), | |||||
PSB3 BBCB | V max | C21+ (474.2MHz) | 314m | DTG- | 2W |
46 5SELECT, 101 BBC One HD Wales, 102 BBC Two HD Wales, 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 110 Channel 4 HD (Wales), 204 CBBC HD, 205 CBeebies HD, plus 1 others |
Are you trying to watch these 44 Freeview channels?
The Carno (Powys, Wales) 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 Carno transmitter?

BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 119km south (170°)
to BBC Wales region - 206 masts.

ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 123km south (172°)
to ITV Wales region - 206 masts.
How will the Carno (Powys, Wales) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2009 | 2009-13 | 31 Dec 2018- | |||||
A K T | A K T | A K T | A K T | A K T | |||||
C21 | BBC1waves | BBC1waves | BBC1waves | +BBCB | BBCB | ||||
C24 | ITVwaves | ITVwaves | ITVwaves | BBCA | BBCA | ||||
C27 | BBC2waves | BBC2waves | BBC2waves | D3+4 | D3+4 | ||||
C31 | 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 Nov 09 and 3 Dec 09.
How do the old analogue and currrent digital signal levels compare?
Analogue 1-4 | 10W | |
BBCA, D3+4, BBCB | (-7dB) 2W |
Which companies have run the Channel 3 services in the Long Mountain transmitter area
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Saturday, 24 March 2012
CARNO transmitter - Freeview BBC Digital TV Reduced Quality from 11:05 yesterday to 11:54 yesterday BBC Digital TV Off Air from 15:15 today to 15:38 today BBC Digital TV Reduced Quality from 11:33 today to 12:43 today HD Digital TV Reduced Quality from 16:45 yesterday to 17:42 yester [BBC]
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Tuesday, 27 March 2012
CARNO transmitter - Freeview BBC Digital TV Off Air from 15:15 on 24 Mar to 15:38 on 24 Mar BBC Digital TV Reduced Quality from 11:33 on 24 Mar to 12:43 on 24 Mar BBC Digital TV Reduced Quality from 11:05 on 23 Mar to 11:54 on 23 Mar BBC Digital TV Reduced Quality from 01:34 yesterda [BBC]
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Wednesday, 28 March 2012
CARNO transmitter - Freeview BBC Digital TV Off Air from 15:15 on 24 Mar to 15:38 on 24 Mar BBC Digital TV Reduced Quality from 11:33 on 24 Mar to 12:43 on 24 Mar BBC Digital TV Reduced Quality from 02:45 on 26 Mar to 04:15 on 26 Mar BBC Digital TV Reduced Quality from 01:34 on 26 Ma [BBC]
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CARNO transmitter - Freeview BBC Digital TV Reduced Quality from 11:33 on 24 Mar to 12:43 on 24 Mar BBC Digital TV Off Air from 15:15 on 24 Mar to 15:38 on 24 Mar BBC Digital TV Reduced Quality from 01:34 on 26 Mar to 02:28 on 26 Mar BBC Digital TV Reduced Quality from 02:45 on 26 Ma [BBC]
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CARNO transmitter - Freeview BBC Digital TV Off Air from 15:15 on 24 Mar to 15:38 on 24 Mar BBC Digital TV Reduced Quality from 11:33 on 24 Mar to 12:43 on 24 Mar BBC Digital TV Reduced Quality from 01:34 on 26 Mar to 02:28 on 26 Mar BBC Digital TV Reduced Quality from 02:45 on 26 Ma [BBC]
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CARNO transmitter - Freeview BBC Digital TV Reduced Quality from 11:33 on 24 Mar to 12:43 on 24 Mar BBC Digital TV Off Air from 15:15 on 24 Mar to 15:38 on 24 Mar BBC Digital TV Reduced Quality from 02:45 on 26 Mar to 04:15 on 26 Mar BBC Digital TV Reduced Quality from 01:34 on 26 Ma [BBC]
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Thursday, 29 March 2012
CARNO transmitter - Freeview BBC Digital TV Reduced Quality from 01:34 on 26 Mar to 02:28 on 26 Mar BBC Digital TV Reduced Quality from 10:30 on 26 Mar to 12:11 on 26 Mar BBC Digital TV Reduced Quality from 02:45 on 26 Mar to 04:15 on 26 Mar HD Digital TV Reduced Quality from 05:17 o [BBC]
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CARNO transmitter - Freeview BBC Digital TV Reduced Quality from 01:34 on 26 Mar to 02:28 on 26 Mar BBC Digital TV Reduced Quality from 02:45 on 26 Mar to 04:15 on 26 Mar BBC Digital TV Reduced Quality from 10:30 on 26 Mar to 12:11 on 26 Mar HD Digital TV Reduced Quality from 05:17 o [BBC]
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Friday, 30 March 2012
CARNO transmitter - Freeview BBC Digital TV Reduced Quality from 10:30 on 26 Mar to 12:11 on 26 Mar BBC Digital TV Reduced Quality from 01:34 on 26 Mar to 02:28 on 26 Mar BBC Digital TV Reduced Quality from 02:45 on 26 Mar to 04:15 on 26 Mar HD Digital TV Reduced Quality from 05:17 o [BBC]
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CARNO transmitter - Freeview BBC Digital TV Reduced Quality from 10:30 on 26 Mar to 12:11 on 26 Mar BBC Digital TV Reduced Quality from 02:45 on 26 Mar to 04:15 on 26 Mar BBC Digital TV Reduced Quality from 01:34 on 26 Mar to 02:28 on 26 Mar HD Digital TV Reduced Quality from 10:27 o [BBC]
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