Saorview on the Clermont Carn (Republic of Ireland) transmitter
 | Google map |  | Bing map |  | Google Earth |  | 54.079,-6.323 or 54°4'45"N 6°19'23"W |
The symbol shows the location of the Clermont Carn (Republic of Ireland) transmitter. 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 Clermont Carn transmitter._______
Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
DTG-1003 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG4
H/V: aerial position (horizontal or vertical)
Which Saorview channels does the Clermont Carn transmitter broadcast?
If you have any kind of Saorview fault, follow this Saorview 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 |
| SV1 | V max | C42 (642.0MHz) | 626m | DTG-1003 | 160,000W |
 3 Virgin Media 1, 4 TG4 (RoI), 21 RTÉ News Now, 22 Tithe an Oireachtais , | |||||
| SV2 | V max | C45 (666.0MHz) | 626m | DTG-1003 | 160,000W |
 1 RTÉ One HD, 5 Virgin Media 2 , 6 Virgin Media 3, 7 RTÉ jr, 11 RTÉ One +1, 12 RTÉ2+1, 27 Saorview Information (*, | |||||
H/V: aerial position (horizontal or vertical)
How will the Clermont Carn (Republic of Ireland) transmission frequencies change over time?
| 1984-97 | 1997-98 | 1998-2012 | 2012-13 | 1 Sep 2019 | |||||
| A B C/D E K T VHF | A B C/D E K T VHF | A B C/D E K T VHF | C/D E T | B E K T | |||||
| C42 | SV1 | ||||||||
| C45 | SV2 | ||||||||
| C52tv_off | SV1 | ||||||||
| C56tv_off | SV2 |
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 1 Jan 12 and 1 Jan 12.
How do the old analogue and currrent digital signal levels compare?
| SV1||, SV2|| | 160kW |
Comments
Tuesday, 22 October 2013
N
Nigel Somers2:57 PM
Transmissions include RTE 1 HD and a move for RTE 1 +1 and RTE Junior ... several Testcards have alos appeared since yesterday ..
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P
PJH9:40 PM
Yep, Mux 2 now officially on air from yesterday.
Nothing really on it, apart from RTE 1 in HD which is really only upscaled at the moment.
RTE 1 HD due to start officially around Christmas or the new year.
Speculation TG4 HD and TV3 HD may be starting soon as well.
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Friday, 25 October 2013
P
PaulN9:12 PM
I am also seeing test cards and such on C56. Hopefully more HD content to come. I did notice that the error rate is in the E-6 region on C56 versus 0 that I see on C52. Received power level looks very similar though - could be just on the edge of my wideband aerial and 27dB worth of gain on a masthead. But it is early days.
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P
P. Kieran Ward11:57 PM
Hi PaulIN!
Have you found that the stations on UHF Channel mixed up with a number of placeholders with no stations detailed only ether SD or HD? Power level from both UHF Channels 52 and 56 are about equal.
I live in North Belfast and when NIMM became available last October the power level for the mux wasn't great (as we are on the Divis side of the mountain range) but was easily tuned. As present I find the power on UHF Channel 39 not as good as before.
Regards
Kieran (North Belfast).
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Sunday, 3 November 2013
I
Ian9:14 PM
Stranraer
Yes getting SV2 mux on channel 56 in Jordanstown,RTE1HD,+1,RTEjr ,two test card channels & various audio tests.The map on uk free tv indicates less coverage to the North with this mux than the SV1 on channel 52. Signal strength on both 52 and 56 appear however similar at my location despite the dark green coverage indicator falling well short of even South Belfast.
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Ian's: mapI's Freeview map terrainI's terrain plot wavesI's frequency data I's Freeview Detailed Coverage
Monday, 4 November 2013
Ian: The difference in predicted coverage is due to the difference in published radiation patterns of the two muxes. See above under the heading "Is the transmitter output the same in all directions?".
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P
PJH12:24 AM
Yep, I'm also in Jordanstown Ian and Mux 2 is also the same as mux 1.
Mind you, Clermont Cairn is stronger than Divis at this location.
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Friday, 20 December 2013
In Newtownabbey, a mile south west of Greenisland. Mux 1 and Mux 2 coming in great at 65% strength & 100% quality.
There is no difference between mux1 and mux2 :)
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Sunday, 29 December 2013
P
PeteLad10:20 PM
Whats with the null to the north east on mux 2!? Can pick up mux1 ok in lisburn but no mux 2 signal at all :(
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PeteLad: I wondered if it was to protect against interference with Whitehead and possibly Bellair, but both these use C52 as well. I know they're a long way away, but I would have thought that that is the reason for any null.
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