Freeview Light on the Mynydd Machen (Caerphilly, Wales) transmitter
Brian Butterworth first published this on - UK Free TV
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: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! movies, GREAT! romance, GREAT! romance mix, 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 TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.
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, plus 14 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 44 Freeview channels?
The Mynydd Machen (Caerphilly, Wales) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: U&Yesterday, 4seven, 5Action, 5STAR, 5USA, Al Jazeera Eng, Al Jazeera English, Blaze, Blaze +1, Challenge, Channel 5 +1, DMAX, E4 Extra, YAAAS!, Film4 +1, Food Network, GREAT! action, GREAT! movies, GREAT! romance, GREAT! romance mix, 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 TV 2, Together TV, TRUE CRIME, TRUE CRIME XTRA, U&Dave, U&Dave ja vu, U&Drama +1, U&W.
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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Tuesday, 2 April 2024
Transmitter engineering
11:20 AM
11:20 AM
MYNYDD MACHEN transmitter - Freeview: Off the air due to a fault from 2 Apr 10:30. Off the air due to a fault from 28 Mar 13:34 until 28 Mar 21:13. . DAB: Slightly reduced power due to a fault from 30 Mar 11:00 until 31 Mar 11:42. Low power due to a fault from 29 Mar 02:00 until [BBC]
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Transmitter engineering
2:20 PM
2:20 PM
MYNYDD MACHEN transmitter - Freeview: Off the air due to a fault from 2 Apr 10:30. Off the air due to a fault from 28 Mar 13:34 until 28 Mar 21:13. . DAB: Off the air due to a fault from 2 Apr 10:30. Slightly reduced power due to a fault from 30 Mar 11:00 until 31 Mar 11:42. Lo [BBC]
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Transmitter engineering
5:20 PM
5:20 PM
MYNYDD MACHEN transmitter - Freeview: Off the air due to a fault from 2 Apr 10:30 until 2 Apr 14:49. Off the air due to a fault from 28 Mar 13:34 until 28 Mar 21:13. . DAB: Off the air due to a fault from 2 Apr 10:30 until 2 Apr 14:49. Slightly reduced power due to a fault from [BBC]
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Anthony Riddiford9:35 PM
Transmitter engineering: WE ARE ABSOLUTELY SICK OF THIS MAST GOING DOWN EVER SINCE EE GOT INVOLVED ITS DOWN EVERY FEW DAYS AND TODAY IT WAS 4 HRS AND ITS GONE AGAIN AT 9:20 DURING THE DECIDING FRAME OF THE SNOOKER!!!... THATS OUR LOT WE ARE GOING BACK TO SATELLITE ABSOLUTE JOKE WE CAN PICTURES FROM MARS BUT NOT FROM 4 MILES DOWN THE ROAD!!!
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Transmitter engineering
11:20 PM
11:20 PM
MYNYDD MACHEN transmitter - Freeview: Off the air due to a fault from 2 Apr 21:20. Off the air due to a fault from 2 Apr 10:30 until 2 Apr 14:49. . DAB: Off the air due to a fault from 2 Apr 10:30 until 2 Apr 14:49. Slightly reduced power due to a fault from 30 Mar 11:00 until 3 [BBC]
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StevensOnln111:27 PM
Anthony Riddiford: I'm not sure what you mean about EE getting involved (they may share the mast for their mobile base station but have nothing to do with transmitting Freeview) but there have been multiple faults recorded today, which may well be related to damage caused by the recent storms.
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Chris.SE11:34 PM
Anthony Riddiford:
Transmitter engineering do not read here or post here. The information is collated from Engineering pages. EE have no involvement in the TV or other broadcast transmitters, I don't know where you get that idea from!
Yes, the BBC have reported that the transmitter went off air due to a fault at 9.20pm
It may have escaped your attention but there were some severe winds the other day, and reading between the lines of the information available, one of the outages was due to the feed to the transmitter being affected by a power cut affecting several parts of the NP11 postcode area.
That cut appears to have had some other consequences. Details of faults are never provided by Arqiva (who are responsible for the transmitter maintenance etc.) nor by the BBC.
It could be that temporary repairs were made to restore power and some interruption has occurred since to make more permanent repairs. It's even possible that the antenna were damaged by the winds and interruptions would be needed to make repairs.
Two other transmitters are affected by the same issue as they are linked relays, Wattsville and Pennar.
Transmitters are not routinely interrupted for the fun of it!
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Wednesday, 3 April 2024
Transmitter engineering
6:09 AM
6:09 AM
MYNYDD MACHEN transmitter - Freeview: Off the air due to a fault from 2 Apr 21:20 until 3 Apr 01:40. Off the air due to a fault from 2 Apr 10:30 until 2 Apr 14:49. . DAB: Off the air due to a fault from 2 Apr 21:19 until 3 Apr 01:39. Off the air due to a fault from 2 Apr 10:30 u [BBC]
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Selwyn Stephens2:17 PM
Caerphilly
My post code is CF83 3FH ADDRESS 58 MILL RD CaerphillY
We do not have freeview ,Just the normal BBC and ITV CHANNELS
We have had a number of :no signal messages over the past 2/3 days and no TV at all for long periods
No info on the reason
Can you please advise?
This is happening now as I write. I n the past no problem....why/
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Selwyn's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data S's Freeview Detailed Coverage
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StevensOnln12:50 PM
Selwyn Stephens: The Mynydd Machen transmitter has been off air multiple times over the last few days due to a fault. Arqiva who operate the transmitter never release details, but it's likely to be related to the recent storms. The channels you mention are all part of Freeview, there have been no analogue TV transmissions in the UK since 2012.
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