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Freeview Light on the Long Mountain (Powys, Wales) transmitter
Brian Butterworth first published this on - UK Free TV
Google map | Bing map | Google Earth | 52.644,-3.088 or 52°38'39"N 3°5'16"W | SY21 8JA |
The symbol shows the location of the Long Mountain (Powys, Wales) transmitter which serves 9,500 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.
This transmitter has no current reported problems
The BBC and Digital UK report there are no faults or engineering work on the Long Mountain (Powys, 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 Long Mountain (Powys, 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, FRANCE 24 (in English), GREAT! action, GREAT! christmas, GREAT! movies, 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, 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 Long Mountain 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 | C33- (569.8MHz) | 454m | 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 | C36 (594.0MHz) | 454m | 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), 71 That’s 60s, | |||||
PSB3 BBCB | V max | C48 (690.0MHz) | 454m | 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 Long Mountain (Powys, 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, FRANCE 24 (in English), GREAT! action, GREAT! christmas, GREAT! movies, 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, 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 Long Mountain transmitter?
BBC Wales Today 1.2m homes 4.7%
from Cardiff CF5 2YQ, 128km south (186°)
to BBC Wales region - 206 masts.
ITV Cymru Wales 1.2m homes 4.7%
from Cardiff CF5 6XJ, 132km south (187°)
to ITV Wales region - 206 masts.
How will the Long Mountain (Powys, Wales) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2009 | 2009-13 | 31 Oct 2018 | |||||
C/D E | C/D E | C/D E | C/D E T | K T | |||||
C33 | BBCA | ||||||||
C36 | D3+4 | ||||||||
C48 | BBCB | ||||||||
C53tv_off | D3+4 | ||||||||
C54tv_off | C4waves | C4waves | C4waves | ||||||
C57tv_off | BBCB | ||||||||
C58tv_off | BBC1waves | BBC1waves | BBC1waves | ||||||
C60tv_off | -BBCA | ||||||||
C61 | ITVwaves | ITVwaves | ITVwaves | ||||||
C64 | BBC2waves | BBC2waves | BBC2waves |
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 | 1000W | |
BBCA, D3+4, BBCB | (-4dB) 400W |
Local transmitter maps
Long Mountain Freeview Long Mountain DAB Long Mountain AM/FM Long Mountain TV region BBC Wales WalesWhich companies have run the Channel 3 services in the Long Mountain transmitter area
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Is the transmitter output the same in all directions?
Radiation patterns withheldTuesday, 18 January 2011
Richard Jones: Did you say that the problem used to happen to you analogue services in the past?
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I note that Airwave have, at Long Mountain, a macrocell TETRA transmitter (at 17dbW) in the 400MHz range.
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(For the record there is also Orange GSM, 27.5dBW, 1800MHz; Vodaphone GSM, 23.6dBW, 900MHz; 3G 3, 24.46dbW, 2100MHz; TMobile GSM, 30dBW, 1800MHz, O2 GSM, 22dBW, 900MHz).
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I know. Airwave uses a separate mast. I go walking around that area quite a lot.
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"Did you say that the problem used to happen to you analogue services in the past?"
Sometimes, but very infrequently. What used to happen was that the carrier would drop -- I'd know this because my VCR for a start would complain about it. Typically only one channel would go, I think BBC2 was the worst. The other three would carry on transmitting as normal and with no degradation of picture or audio quality. Video dropped off BBC1 one evening, but audio carried on as normal as if nothing happened. Again, confirmed on multiple piece of equipment off separate aerials.
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A
aerialman8:42 PM
I believe that Richard Jones has successfully explained the ever present problem at LM,which is the possibility that the off air feed from Blaenplwyf via micro wave link at Llangurig to LM is not a constantly good feed.
I also saw at first hand the example given above on LM on analogue.
For me,rather than just dismissing this condition,somebody has to prove this otherwise.
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Llangurig SHF: I've got something in the back of my mind trying to remind me about this, possibly a conversation I had with someone at Crown Castle some years ago. A dish not always in correct alignment? It was a long time ago, but something might pop back in my memory.
Touch wood, LM has been reliable since the major outage at the beginning of the year. That's not to say it hasn't happened again, but I haven't observed that it has.
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Wednesday, 19 January 2011
S
Sam1:09 AM
Long Mountain was regarded as a relay of Blaenplwyf until shortly before switchover of the Long Mountain Tx group when it became an 'Island Site' and was line fed via BT circuitry more than likely via Wenvoe as it's SIPSI transmitter. The regions switched at separate times so program feeds would of had to have been changed months in advance of switchover, of course Mux1 could have been taken off DSAT. Digital UK confirm that Long Mountain was attributed Line Fed and became a parent in it's own right.
"Before switchover, Long Mountain is technically a relay of Blaenplwyf but at switchover, it becomes line-fed"
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Thursday, 20 January 2011
I spoke too soon. PSB2 fell off air 18.41. PSB1 working fine. Digibox complains "No programme specific information," no Network or Provider showing up on Channel Information. Signal strength 25dB, 100%, Signal quality 0.00e+00 100%. Back on air 18:44.
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Friday, 4 February 2011
PSB1 and PSB2 fell off air c. 14:45, about 25 minutes ago, and LM is not even broadcasting them as a blank carrier. Whatever frequency they broadcast at is just static. My Philips box is complaining "No signal. Please check antenna/cable", and same fault off all devices off both antennas here.
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