Freeview Light on the Mynydd Machen (Caerphilly, Wales) transmitter
 | Google map |  | Bing map |  | Google Earth |  | 51.604,-3.123 or 51°36'13"N 3°7'24"W |  | NP11 7PS |
The symbol shows the location of the Mynydd Machen (Caerphilly, Wales) transmitter which serves 31,000 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.
This transmitter has no current reported problems
The BBC and Digital UK report there are no faults or engineering work on the Mynydd Machen (Caerphilly, Wales) 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 Mynydd Machen (Caerphilly, Wales) 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, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GB News, GREAT! movies, Great! Movies Action, GREAT! romance, HGTV, HobbyMaker, HorrorXtra, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Talking Pictures TV, TCC, That's 70s, That's TV , 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 Freeview channels does the Mynydd Machen 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 | C23+ (490.2MHz) | 411m | DTG- | 400W |
 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, 250 BBC Red Button, plus 13 others | |||||
| PSB2 D3+4 | V max | C26+ (514.2MHz) | 411m | DTG- | 400W |
 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 | C29+ (538.2MHz) | 411m | DTG- | 400W |
 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 45 Freeview channels?
The Mynydd Machen (Caerphilly, Wales) 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, Dave, Dave ja vu, DMAX, Drama +1, E4 Extra, YAAAS!, Film4 +1, Food Network, GB News, GREAT! movies, Great! Movies Action, GREAT! romance, HGTV, HobbyMaker, HorrorXtra, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, Legend, PBS America, pick, Pop Player, Quest +1, Quest Red, Really, Sky News, Talking Pictures TV, TCC, That's 70s, That's TV , 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 Mynydd Machen transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 14km south-southwest (213°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 19km southwest (215°)
to ITV Wales region - 206 masts.
How will the Mynydd Machen (Caerphilly, Wales) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2010 | 2010-13 | 15 May 2019 | |||||
| A K T | A K T | A K T | A K T | A K T | |||||
| C23 | ITVwaves | ITVwaves | ITVwaves | +BBCA | BBCA | ||||
| C26 | BBC2waves | BBC2waves | BBC2waves | +D3+4 | D3+4 | ||||
| C29 | C4waves | C4waves | C4waves | +BBCB | BBCB | ||||
| C33 | BBC1waves | BBC1waves | BBC1waves |
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 3 Mar 10 and 31 Mar 10.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 2kW | |
| BBCA, D3+4, BBCB | (-7dB) 400W |
Which companies have run the Channel 3 services in the Wenvoe transmitter area
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Wednesday, 4 April 2012
MYNYDD MACHEN transmitter - Freeview HD Digital TV Off Air from 15:17 on 02 Apr to 15:20 on 02 Apr [BBC]
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Thursday, 5 April 2012
kris: Channel 5 HD is not on Freeview yet, Channel 4 HD does not transmit in Wales.
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Monday, 23 April 2012
MYNYDD MACHEN transmitter - Freeview HD Digital TV Off Air from 14:19 today to 14:28 today [BBC]
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Tuesday, 24 April 2012
MYNYDD MACHEN transmitter - Freeview HD Digital TV Off Air from 14:19 yesterday to 14:28 yesterday [BBC]
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Wednesday, 25 April 2012
MYNYDD MACHEN transmitter - Freeview HD Digital TV Off Air from 14:19 on 23 Apr to 14:28 on 23 Apr [BBC]
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Tuesday, 1 May 2012
D
d.t.marasco3:13 PM
Hi i have recently fitted a high gain ariel on the roof i have successfully tuned my freeveiw tele to Mynydd Macchen Transmitter so ican recieve the welsh channels,but at certain times of the day (lunch time tea time)in particular theres a lot of interferance resulting in loss picture but only on the welsh channels i would appreciate some advice.kind regards.
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Monday, 14 May 2012
MYNYDD MACHEN transmitter - Freeview HD Digital TV Off Air from 12:01 today to 12:18 today [BBC]
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Tuesday, 15 May 2012
MYNYDD MACHEN transmitter - Freeview HD Digital TV Off Air from 12:01 yesterday to 12:18 yesterday [BBC]
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Wednesday, 16 May 2012
MYNYDD MACHEN transmitter - Freeview HD Digital TV Off Air from 12:01 on 14 May to 12:18 on 14 May [BBC]
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Friday, 18 May 2012
d.t.marasco: Hi. Please can you have a look at the Freeview intermittent interference | ukfree.tv - independent free digital TV advice - but also not the "Transmitter engineering" faults listed here.
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