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Freeview Light on the Rothesay (Argyll and Bute, Scotland) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps55.878,-4.999 or 55°52'39"N 4°59'56"Wsa_postcodePA23 7UE

 

The symbol shows the location of the Rothesay (Argyll and Bute, Scotland) transmitter which serves 5,800 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 Rothesay (Argyll and Bute, Scotland) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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Which Freeview channels does the Rothesay 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.

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 V max
C28 (530.0MHz)218mDTG-3400W
Channel icons
1 BBC One (SD) Scotland, 2 BBC Two Scotland, 7 BBC Alba, 23 BBC Three, 24 BBC Four (Scotland SD), 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 12 others

PSB2
D3+4
 V max
C25 (506.0MHz)218mDTG-3400W
Channel icons
3 STV (SD) (STV Central (Glasgow micro region)), 4 Channel 4 (SD) Scotland ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 Scotland ads, 18 More4, 25 ITV4, 30 E4 +1, 35 ITV +1 (STV Edinburgh), 35 STV+1 (STV Edinburgh),

PSB3
BBCB
 V max
C22 (482.0MHz)218mDTG-6400W
Channel icons
73 Shopping Quarter , 101 BBC One HD Scotland, 102 BBC Two HD (England), 103 ITV HD (STV West), 103 STV HD (STV West), 104 Channel 4 HD Scotland ads, 105 Channel 5 HD, 108 BBC Scotland HD, 204 CBBC HD, plus 1 others

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
H/V: aerial position (horizontal or vertical)

Are you trying to watch these 52 Freeview channels?

the effected channels
the effected channels
the effected channels
the effected channels

The Rothesay (Argyll and Bute, Scotland) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 5Action, 5SELECT, 5STAR, 5USA, Aljazeera English, BBC Four HD, BBC News HD, Blaze, Blaze +1, CBeebies HD, CBS Drama, CBS Justice, CBS Reality, Challenge, Channel 5 +1, CITV, Dave, Dave ja vu, DMAX, Drama +1, Film4 +1, Food Network, Forces TV, FreeSports, GB News, GREAT! movies, GREAT! movies action, HGTV, Horror Channel, ITV2 +1, ITV3 +1, ITV4 +1, ITVBe +1, YAAAS!, More4 +1, Now 70s, PBS America +1, pick, Quest +1, Quest Red, Quest Red +1, Really, RT HD, Sky Arts, Sky News, Smithsonian Channel, Talking Pictures TV, TCC, Together TV, 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 Rothesay transmitter?

regional news image
BBC Reporting Scotland 2.4m homes 9.2%
from Glasgow G51 1DA, 44km east (95°)
to BBC Scotland region - 230 masts.
regional news image
STV News 1.3m homes 4.8%
from Glasgow G51 1PQ, 45km east (95°)
to STV Central (Glasgow) region - 94 masts.

How will the Rothesay (Argyll and Bute, Scotland) transmission frequencies change over time?

1968-80s1984-971997-981998-20112011-1330 Sep 2018-
VHFA K TA K TA K TA K TA K T
C8ITVwaves
C22BBC1wavesBBC1wavesBBC1wavesBBCBBBCB
C25ITVwavesITVwavesITVwavesD3+4D3+4
C28BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C32C4wavesC4wavesC4waves

tv_off Being removed from Freeview (for 5G use) after November 2020 - 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 8 Jun 11 and 22 Jun 11.

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 Black Hill transmitter area

Aug 1957-Jun 1997Scottish Television
Jun 1997-Dec 2014STV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only.

Is the transmitter output the same in all directions?

Radiation patterns withheld

Comments
Saturday, 2 July 2011
C
Charlie
3:04 PM

Thanks JB. Tried your suggestions but same result. I have a standard roof top arial pointing at Rothesay and the Largs channels show very low sig stregth on my TV.
The local paper has a letter of complaint in it from someone so I know I am not alone and again, it was fine after switchover for the first few days. Very frustrating as do not know who to contact..BBC automated site and emails not helpful so not sure what to do next. Thanks for the help and advice much appreciated..

link to this comment
Charlie's 3 posts GB
D
David Reid
5:35 PM
Greenock

The mystery of the missing Ch22 from Rothesay continues....
At 20.20hrs on Thurs.June 30,I received an on-screen message to say I had a "new" Channel - I OK'd it, and there it was, Ch22 with the 4 HD channels.
Alas, the following day it was gone!
Still showing strenghth 10/10,but quality zero.
I have a 36 element wide band aerial on the roof.
This may be a long shot,but there is a wide expanse of the River Clyde between the transmitter (which I can clearly see)and my house.
Can the water be causing some kind of deflection to the HD signal,making in effect,2 signals coming into the TV tuner?
I have since moved the aerial from pointing SW to Rothesay,to West,catching Rosneath's HD Ch54 - about 75% quality.
I do hope CH22 returns to join 25 and 28 soon.
David.






link to this comment
David Reid's 3 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

6:03 PM

Charlie: Bit of a mystery that! although I suppose its of some dubious comfort knowing that you are not alone with this problem.

The problem with the Largs transmitter is that not only does it use horizontal polarisation when Rothesay is on vertical, but you will be receiving it partially side on to your aerial, this being the least sensitive area for reception, that said though it would be interesting to know what the levels were across the three MUX's, these being 39 - 42 & 45, as irrespective of their strength, "if" they were reasonably constant and it wasn't a major job, then your aerial might be better set for your local Largs transmitter.

Its unfortunate that there is an expanse of water between Rothesay and Largs, as it would have been interesting to know what the received signal strength was if tested along the same line from the transmitter as yourself.

If you feel inclined, as its a lengthy process, but you could submit a report via the "Transmitter has no problems - click to re-check" link at the top of the page, as it would be interesting to know what type of reply you would get.

PS: I also realise that Rothesay reception uses a group A aerial and Largs B, and although being just outside of the correct group, in practical terms it wouldn't really make that much difference with such a local signal, that is "if" you are actually in Largs and not just near it.


link to this comment
jb38's 7,179 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

6:48 PM

David Reid: Reception across water can be fraught with problems, and there isn't really much that can be done about it as the signal can suffer from deflection and other sorts of warping that doesn't really happen across land.

This has always been a commonly experienced problem with analogue reception, but its effects weren't really noticed quite so much by the viewer etc as analogue can be considered much more of a robust system compared to digital, a system that has brought a whole new range of problems into the equation, with some of them not really being rectifiable at the viewers end except by them changing to Freesat.

link to this comment
jb38's 7,179 posts GB
C
Charlie
7:52 PM

Gents,

Thanks again for the feedback. I certainly would like to get to the bottom of this so I think my next steps( please feel fee to comment.
1. Buy sig level meter (are they cheap?) and measure true levels from Rothesay
2 Contacted BBC and CH4( Random selection)today and reported issue with several people experiencing the same i.e please check the Tx again. Waiting for a response
3. Try Panasonic Tech Support just in case there is a known problem with the TV.
4. Get the arial turned to Largs Tx and give it a go

Might take a while as I'm on Hols soon but I'll keep you posted. Aagain chaps, thanks for the support, appreciated.

link to this comment
Charlie's 3 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

8:59 PM

Charlie: Yes, it will be interesting to learn what the BBC will come up with, as there is still the possibility that a fault exists at the transmitter, fault reporting only happening if someone connected to the technical operations cares to publish the fact.

However, and as mentioned to David Reid, reception over water is always open to problems, and so your idea of giving the Largs TX a try is something that I would do myself, as the shorter the distance to the transmitter the less the likelihood of the signal being interfered with.

By the way Panasonic TV's did have a problem with HD but only with BBC transmissions, this caused because of their switch to using a symbol rate of 23000, however most sets that I know of (including my own) corrected the problem with a first time re-tune.

Have a nice holiday!!


link to this comment
jb38's 7,179 posts GB
Monday, 4 July 2011
C
Charlie
8:12 PM

and as if by magic..CH22 returns. No idea what the problem was but I'll wait for the BBC to get back and hopefully clarify what was going on. No matter, I've read up a lot on this topic now so it was sort of worth it..thanks again for all for the help... Let's hope it stays up for more than 2 days!

link to this comment
Charlie's 3 posts GB
Tuesday, 5 July 2011
D
David Reid
11:00 AM
Greenock

Yes, as with Charlie,CH22 (HD) came back yesterday and is still there this morning.
Happy 4th of July indeed!
Thanks for all the posts and advice.
David.

link to this comment
David Reid's 3 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

5:19 PM

David Reid: I found what you have reported really interesting as it backs up Charlie's experience, it would also have been of interest to find out if anyone actually on the Island itself experienced a failure of Ch22, or maybe even a reduced signal strength! as that could have blanked out mainland reception without killing it for locals to the TX.

Unfortunately the only person on the Island who did report a problem (alan denholm 28th June @ 08.05) could have had his problem caused by experiencing too strong a signal, however he only made the one posting so the outcome isn't known.


link to this comment
jb38's 7,179 posts GB
Wednesday, 21 December 2011
S
Stuart
6:33 PM

Acording to the web sirte at my address in Largs i should be in reciept of 4 HD channels from the Rothsay transmitter, however i they are not detected using my freeview box or on any of the freeview enabled tv's. Does anyone recieve them?

link to this comment
Stuart's 1 post GB
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