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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

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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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Lochwinnoch (Renfrewshire, Scotland) transmitter.

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
C60 (786.0MHz)149mDTG-317W
Channel icons
1 BBC One Scotland, 2 BBC Two Scotland, 7 BBC Alba, 9 BBC Four, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 601 BBC RB 1, plus 14 others

 H max
C57 (762.0MHz)149mDTG-317W
Channel icons
3 STV (STV Central (Glasgow micro region)), 4 Channel 4 Scotland ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 Scotland ads, 14 More4, 15 Film4, 24 ITV4, 24 ITV4 +1, 28 E4, 33 STV+1 (STV Edinburgh),

 H max
C53 (730.0MHz)149mDTG-617W
Channel icons
45 Film4 +1, 101 BBC One HD Scotland, 102 BBC Two HD (England), 103 STV HD (STV West), 104 Channel 4 HD Scotland ads, 105 Channel 5 HD, 204 CBBC HD,

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 0 Freeview channels?

The Lochwinnoch (Renfrewshire, Scotland) mast is a public service broadcasting (PSB) transmitter, it does not provide these commercial (COM) channels: .

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

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

years1984-971997-981998-20112011-132013-182013-1730th Sep 2018-
aerial groupC/D EC/D EC/D EC/D EC/D EC/D EA B C/D E K VHF

orange background for multiplexes names more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: 4G from 30 June 2020more
600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 11th May and 25th May 2011.

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.

Sunday, 19 November 2017
Kenneth Johnson
5:36 PM Lochwinnoch

No reception of BBC1, BBC2 and other standard definition channels from Lochwinnoch transmitter. Seems that one multiplex is down. This has happened several times in this month and during October when I was away, several programmes failed to record from these channels due to poor signal. ITV and STV programmes are all OK.

link to this
Kenneth Johnson's 4 posts GB
Kenneth's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
6:00 PM

Kenneth Johnson:

At just 2km from the transmitter it is possible that you have too much signal! Please check the signal strengths of the multiplexes you currently have amd report back. You should have between 50% and 85% for SD channels and between 60% and 85% for HD channels.

Any more than that means your TV is 'swamped' by the signals and cannot resolve all of them. The solution in that instance is to fit an attenuator in the aerial cables feeding the first item. If the signal; strengths are less than the lower of those figures then you may have an aerial fault. Start by checking all the connections by unpluggong and examining the plugs and sockets to ensure they are free from corrosion. Then put them back in and check what services you get now.

It may well be worth asking your neighbours who are also using the Lochwinnock transmitter if they are having the same problems. If they are not then it is definitely your system at fault.

link to this
MikeP's 1,855 posts Gold Gold GB
Monday, 20 November 2017
Kenneth Johnson
11:08 AM Lochwinnoch

Today at 11.00 the reception is good. On the affected channels today, signal strength is 75% and quality is 100%. I did not check these parameters yesterday, but the last time this happened (on 2 November) I found that signal strengths on BBC1 and 2 were around 70% but quality was 0 to 10% and varying a lot.

At no time were then HD channels affected, so we could watch TV but our PVR only receives standard definition signals, hence the failure to record on occasions. It appears as if it is channel 60 from the mast that is failing while the other two channels continue to operate.

link to this
Kenneth Johnson's 4 posts GB
Kenneth's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
6:01 PM

Kenneth Johnson:

I wonder whether the mobile mast between your location and the transmitter may have some bearing? Channel 60 is rather close to the frequensies for mobil;e transmissions. Could you conatct @800 to check whether there is any potential conflict, they can be contacted at at800 | 4G & Freeview | 4G interference | 4G Filters | 800 MHz

link to this
MikeP's 1,855 posts Gold Gold GB
Tuesday, 21 November 2017
Kenneth Johnson
4:55 PM Lochwinnoch

I have contacted and they reply that there is no 4G mast currently in operation near here, so that is one solution ruled out apparently.

I have tried just now and the reception from multiplex 60 is good: strength 90 to 91% and quality 100%.
I will keep checking and report on the values if reception fails again.

One thing that concerns me is that this seems to be the only way of drawing attention to reception problems. If any other service fails (gas, electricity or water) there is an number to call to report it. Why is there no similar facility for TV, which although called "Freeview" can only be legally received if you have paid the TV licence. Surely Ofcom or TV Licencing should have a Freephone number for reporting failures, or is it left up to the broadcasters to somehow become aware that their transmissions are not getting to their target audience?

link to this
Kenneth Johnson's 4 posts GB
Kenneth's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
5:20 PM

Kenneth Johnson: Main transmitters are all monitored remotely so it's unlikely that a fault with the transmitter wouldn't be noticed by either the broadcaster or Arqiva (the company responsible for operating the transmitters). The PSB broadcasters (BBC, ITV, Channel 4, Channel 5 & S4C) all have viewer services departments (or similar) who would be able to pass on reports of a transmitter problem (i.e. if lots of people from one area called in reporting a problem it would be more likely to be a transmitter fault than if only one person calls in who could easily have a fault with their TV or aerial system). There is also the Radio & Television Investigation Service (see link below). Freeview is just a marketing brand used to promote the UK's Digital Terrestrial TV platform and doesn't have anything to do with broadcasting any channels or operating any transmitters.

Radio & Television Investigation Service - About Us

link to this
StevensOnln1's 1,399 posts Gold Gold GB
6:27 PM

Kenneth Johnson: Looking at your problem, you've got an issue with possibly one mux. As Steve has pointed out, if the transmitter is working OK, they logically it must be you.

Try replacing the aerial lead from the wall to the TV - they are really cheap. Loads of people complain about a similar problem, and all too often, its simply a damaged lead, which is killing a particular frequency. Give it a go, and then see what happens.

link to this
MikeB's 2,471 posts Platinum Platinum GB
Friday, 24 November 2017
Kenneth Johnson
3:55 PM Lochwinnoch

Thanks Steve and Mike. Knowing who is actually responsible for the masts (Arqiva) is useful.

I had the whole lead from roof to set renewed a few years ago when I was having problems receiving Darvel. The aerial contractor could not get all the channels from Darvel as my address is in a marginal area and two large trees in the line of sight do not help. Further up the hill the signal is fine. So we decided to go for the reduced number of services from Lochwinnoch. I have a spare connecting lead or two so I will try one the next time the signal quality goes off. That has not happened for a few days. I wonder if it is weather-dependent, but I would not have thought that tropospheric interference would affect reception over such a short distance (less than 2 miles.)

link to this
Kenneth Johnson's 4 posts GB
Kenneth's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
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