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Freeview Light on the Lochwinnoch (Renfrewshire, Scotland) transmitter

first published this on - UK Free TV
sa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps55.788,-4.654 or 55°47'18"N 4°39'14"Wsa_postcodePA12 4DW


The symbol shows the location of the Lochwinnoch (Renfrewshire, Scotland) transmitter which serves 5,400 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.

Are there any planned engineering works or unexpected transmitter faults on the Lochwinnoch (Renfrewshire, Scotland) mast?

LOCHWINNOCH transmitter - Freeview: Weather conditions may be affecting your reception from 1 Aug 11:14 until 1 Aug 12:11. . BBC

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

Which Freeview channels does the Lochwinnoch 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.

 H max
C33 (570.0MHz)149mDTG-317W
Channel icons
1 BBC One (SD) Scotland, 2 BBC Two Scotland, 7 BBC Alba, 24 BBC Four (Scotland SD), 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 12 others

 H max
C36 (594.0MHz)149mDTG-317W
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, 29 E4 +1, 34 ITV +1 (STV Edinburgh), 34 STV+1 (STV Edinburgh),

 H max
C48 (690.0MHz)149mDTG-617W
Channel icons
72 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 Lochwinnoch (Renfrewshire, Scotland) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: 4Music, 4seven, 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, YAAAS!, 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, More4 +1, Now 70s, Paramount Network, 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 Lochwinnoch transmitter?

regional news image
BBC Reporting Scotland 2.4m homes 9.2%
from Glasgow G51 1DA, 24km east-northeast (73°)
to BBC Scotland region - 230 masts.
regional news image
STV News 1.3m homes 4.8%
from Glasgow G51 1PQ, 24km east-northeast (73°)
to STV Central (Glasgow) region - 94 masts.

How will the Lochwinnoch (Renfrewshire, Scotland) transmission frequencies change over time?

1984-971997-981998-20112011-135 Sep 2018

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 11 May 11 and 25 May 11.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-4 86W
BBCA, D3+4, BBCB(-7dB) 17W

Which companies have run the Channel 3 services in the Darvel 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. Lochwinnoch was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Tuesday, 21 March 2017
Transmitter engineering

11:33 PM

LOCHWINNOCH transmitter - Freeview: HD Digital TV Off Air from 19:59 today to 20:03 today. [BBC]

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Transmitter engineering's 135,277 posts xx
Wednesday, 22 March 2017
Transmitter engineering

4:33 AM

LOCHWINNOCH transmitter - Freeview: HD Digital TV Off Air from 19:59 yesterday to 20:03 yesterday. [BBC]

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Transmitter engineering's 135,277 posts xx
Thursday, 23 March 2017
Transmitter engineering

4:33 AM

LOCHWINNOCH transmitter - Freeview: HD Digital TV Off Air from 19:59 on 21 Mar to 20:03 on 21 Mar. [BBC]

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Transmitter engineering's 135,277 posts xx
Sunday, 2 April 2017
J. Forteith
3:45 PM

we have 3 digital tvs & 1 HD with BTyouview and all experiencing fractionising, loss of picture & sound. This all started approx'y the 13th March. At our wits end having dealt with BT, Freeview and independent engineer for advice. Any help would be appreciated.

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J. Forteith's 3 posts GB

10:54 PM

J. Forteith: Need a postcode, signal strength and when and on what muxes the problem occurs.

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MikeB's 2,579 posts GB
Tuesday, 4 April 2017
11:24 AM

MikeB-- Forteith Area Post Code PA12-4BT
Ref Problem dated 2April Lochwinnoch Transmitter -- STV 70/80% signal 50%quality BBC 30/80% signal & 39/43% quality. This seems to be a more serious problem since others around the area are encountering poor reception. We have spent several hours over last few weeks talking through retuning etc etc with BT /Freeview and achieved NIL action. Have they lowered signal output or what!!!!! Same problem exists using a free standing locally attached TV aerial. Nothing has changed to date.

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Forteith's 3 posts GB

3:33 PM

Forteith: The frequencies used by Lochwinnoch are close to those used for 4G mobile services, so it's possible that you're experiencing interference if a mobile mast in the area has recently been upgraded for 4G. There is an organisation called at800 ( which has been setup to deal with these problems, if you contact them they can check if there are any 4G masts in your area and send you a free filter to connect to your aerial which will block the unwanted signals.

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StevensOnln1's 3,080 posts GB
Thursday, 6 April 2017
J Forteith
7:09 PM

Thank you for that information re 4G mobile mast could be causing interference. We have felt from the beginning of March that the problem was one outwith our control. Yesterday we had a new aerial fitted to try and alleviate the fracturising of picture in all channels. This cost ?90.00 as it also involved communal aerial facilities. Up to now we have been very frustrated at BT for its lack of help but surprise surprise the Youview box was updated today although interference(not as much) still exists on terrestrial channels especially with BBC 1and one of our televisions cannot receive a signal although was working perfectly up till end of February. We shall now follow your advice and contact

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J Forteith's 3 posts GB
Tuesday, 11 April 2017
Transmitter engineering

11:33 AM

LOCHWINNOCH transmitter - Freeview: BBC Digital TV Off Air from 09:48 today, HD Digital TV Off Air from 09:48 today. [BBC]

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Transmitter engineering's 135,277 posts xx
Transmitter engineering

5:32 PM

LOCHWINNOCH transmitter - Freeview: BBC Digital TV Off Air from 09:48 today to 12:11 today, HD Digital TV Off Air from 09:48 today to 12:11 today. [BBC]

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Transmitter engineering's 135,277 posts xx
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Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

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If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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