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Full Freeview on the Durris (Aberdeenshire, Scotland) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps57.000,-2.392 or 56°59'59"N 2°23'30"Wsa_postcodeAB39 3TH

 

The symbol shows the location of the Durris (Aberdeenshire, Scotland) transmitter which serves 180,000 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 Durris (Aberdeenshire, Scotland) mast?

Durris transmitter - Durris transmitter: Possible effect on TV reception week commencing 04/11/2024 Pixelation or flickering on some or all channels Digital tick


Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name
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Which Freeview channels does the Durris 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
 H max
C28 (530.0MHz)639mDTG-100,000W
Channel icons
1 BBC One (SD) Scotland, 2 BBC Two Scotland, 7 BBC Alba HD, 23 BBC Three, 24 BBC Four (Scotland SD), 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 13 others

PSB2
D3+4
 H max
C25 (506.0MHz)639mDTG-100,000W
Channel icons
3 STV (SD) (STV North (Aberdeen 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, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (STV Edinburgh), 35 STV+1 (STV Edinburgh), 71 That’s 60s,

PSB3
BBCB
 H max
C22 (482.0MHz)639mDTG-100,000W
Channel icons
46 5SELECT, 101 BBC One HD Scotland, 102 BBC Two HD Scotland, 103 ITV 1 HD (STV West), 103 STV HD (STV West), 104 Channel 4 HD Scotland ads, 105 Channel 5 HD, 106 BBC Four HD, 108 BBC Scotland HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H -3dB
C23 (490.0MHz)639mDTG-850,000W
Channel icons
20 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others

COM5
ArqA
 H -3dB
C26 (514.0MHz)639mDTG-850,000W
Channel icons
11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others

COM6
ArqB
 H -3dB
C30 (546.0MHz)639mDTG-850,000W
Channel icons
12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others

DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Which BBC and ITV regional news can I watch from the Durris transmitter?

regional news image
BBC Reporting Scotland 2.4m homes 9.2%
from Glasgow G51 1DA, 173km southwest (224°)
to BBC Scotland region - 230 masts.
regional news image
STV News 0.4m homes 1.5%
from Aberdeen AB12 3QH, 23km northeast (52°)
to STV North (Aberdeen) region - 76 masts.

Are there any self-help relays?

Aberdeen (old Town)Transposer2 km N city centre837 homes (dealer estimate)
Aberdeen-talismanTransposer1 km SW city centre100 homes
FyvieActive deflector37 km NW Aberdeen10 homes Hotel
Glen TanarActive deflector11 km E Ballater13 homes
GlenlivetTransposer15 km E Grantown-on- Spey70 homes School
Haughton House C/pTransposer1 km N Aford Aberdeenshire1 homes 150 caravans
OyneActive deflector33 km NW Aberdeen11 homes
Strathdon ATransposer60 km W Aberdeen25 homes
Strathdon BTransposer25 homes
Strathdon CTransposer ‘appreciable population'
Strathdon DActive deflector
Strathdon EActive deflector
Strathdon FActive deflector

How will the Durris (Aberdeenshire, Scotland) transmission frequencies change over time?

1961-80s1984-971997-981998-20102010-133 Oct 2018
VHFA K TWWA K TW T
C9ITVwaves
C22BBC1wavesBBC1wavesBBC1wavesBBCBBBCB
C23SDNSDN
C25ITVwavesITVwavesITVwavesD3+4D3+4
C26ArqAArqA
C28BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C29ArqB
C30_localArqB
C32C4wavesC4wavesC4wavescom7
C35com8
C41_local
C55tv_offcom7tv_off
C56tv_offCOM8tv_off
C67C5wavesC5waves

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 Sep 10 and 15 Sep 10.

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

Analogue 1-4 500kW
Analogue 5, BBCA, D3+4, BBCB(-7dB) 100kW
SDN, ARQA, ARQB(-10dB) 50kW
Mux 1*, Mux 2*, Mux A*(-14dB) 20kW
com7, com8(-15.4dB) 14.5kW
Mux B*(-17dB) 10kW
Mux C*, Mux D*(-20dB) 5kW

Which companies have run the Channel 3 services in the Durris transmitter area

Sep 1961-Jun 1997Grampian 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
Friday, 2 October 2015
J
jb38
sentiment_very_satisfiedPlatinum

11:02 PM

John : In addition / alteration to that said. Although as previously mentioned, the Cullingworth area is seen to be well outside the Idle transmitters coverage area (as indicated on the TX's coverage map), however, a Cullingworth test p/code of BD13-5 did indicate that reception was possible in that particular area.

The point which intrigued me was your reference to "everything gone with the exception of 6 German channels", as this points to interference from foreign channels, something which can happen as seasons change, and a possible reason why so many problems are being experienced by viewers residing in the Eastern areas of the UK, whereas not to any great extent elsewhere.

link to this comment
jb38's 7,179 posts GB flag
Tuesday, 29 December 2015
G
Geoff
4:56 PM
Ellon

All HD channels seem to disappear, or transmit intermittently, each Friday, between around 1900 and 2200 hrs. Normally we are getting 100% strength, 30-40% quality. Exception was last week when Friday was ok, but the dropout was, instead, on the saturday. Have only recently upgraded from crt tv to flatscreen, so have no long record of events, but it seems an odd occurrence and just wondered if there was a logical explanation.
Aerial is external, half way up gable-end with clear view to horizon and checked pointing in direction of transmitter, and reception is on a humax hdr pvr.

Location AB41 7NR, just north of Tarves. If it's single channel interference I'm puzzled as to why it only (seems to be) on a Friday?

link to this comment
Geoff's 2 posts GB flag
Geoff's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
J
jb38
sentiment_very_satisfiedPlatinum

8:53 PM

Geoff: If the figures given for the strength and quality of the HD signal are correct, and its not the case of the reverse of, i.e: 30 - 40% strength / 100% quality, then intermittent reception at these levels is something not entirely unexpected as they are quite unacceptable. In order to assess the situation better, what levels are indicated on your SD channels?.

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jb38's 7,179 posts GB flag
Wednesday, 13 January 2016
G
Geoff
4:24 PM
Ellon

Geoff: My apologies for the delay in responding. (I was expecting an email notification of a response).

I can't believe it, I got them transposed! Quality should be the higher figure, strength lower. Sd figures for quality are generally 10-20% higher.

It's no longer just on a Friday, but is proving more intermittent as we've discovered since setting up the flat screen. We very rarely watch live, predominantly programs recorded.

link to this comment
Geoff's 2 posts GB flag
Geoff's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
Monday, 11 April 2016
K
Kirsty
7:33 PM

For the past week both our freeview TVs have been experiencing pixelation, distorted audio and really loud and annoying clicks. I have checked the cables, retuned them, switched off and on again but still no improvement. Is there an issue with durris? Or is there an easy doityourself way of checking our aerial? Thanks

link to this comment
Kirsty's 1 post GB flag
Tuesday, 12 April 2016
M
MikeB
sentiment_very_satisfiedPlatinum

5:31 PM

Kirsty: Check your signal strength - its too high, or too low, thats the sort of things that happens. If its too high 90% plus, then there are easy ways to fix that. If its too low, your liable to have a problem with your aerial system.

link to this comment
MikeB's 2,579 posts GB flag
MikeB's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Monday, 2 May 2016
S
Scott mcphee
11:22 PM

Where can i buy a ariel for Durris

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Scott mcphee's 1 post GB flag
Wednesday, 8 June 2016
J
John Jenkinson
2:39 PM
Peterhead

Good Afternoon.
Please can you advise we get interference on BBC one and have weak signal notice on some other channels, we have a modern aerial fitted 18 months ago which runs to a booster in the loft for three tv sets,
as a back up we have a freesat box connected to a dish which works fine.
Looking at the transmitter coverage map for our post code AB42 4HJ Fetterangus we are prone to week signals would that be correct.
I hope this is enough information to get advice.
Kind Regards
John


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John Jenkinson's 1 post GB flag
John's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
R
Richard Cooper
sentiment_satisfiedGold

4:04 PM
Norwich

John Jenkinson: Hi, John. According to the Digital UK Coverage checker, you are most likely to be receiving the Durris transmitter, which is one of the 80'ish MAIN FULL Freeview transmitters and one of those which carries 8 groups of channels, which we call "multiplexes". Digital UK predicts that you will get good reception on 31 channels and variable reception on 78 channels. Good reception is likely on logical channel numbers 1 to 6, followed by good reception also of BBC Alba, as well as BBC4 when BBC4 is on. Examples of variable channels are 'Dave', 'Pick', ITV3, 'Really', Yesterday, 4Music, some of the shopping channels and quite a few more of the less viewed channels. If you have a high definition (HD) receiver, you should also obtain good reception of fifteen HD channels too.It would be interesting for you to post back to say whether this is a good representation of what you are actually finding in practice. The coverage map for the Durris transmitter does indeed have quite a scattered pattern exhibiting a number of holes or dead spots, especially as you go North-Eastwards towards Peterhead and Fraserburgh, i.e. in the direction of Fetterangus. Do please post back with your comments on this post. Richard, Norwich, England, 4 p.m. on Weds. 8th. June.

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Richard Cooper's 471 posts GB flag
Richard's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
K
KMJ,Derby
sentiment_satisfiedGold

6:48 PM

John Jenkinson: The COM4, COM5 and COM6 muxes from Durris share frequencies with the PSB muxes from Knock More. This results in low level signals from Knock More causing reductions in signal quality or blocking of reception for viewers of the Durris COMs in affected location a. Sometimes careful positioning of the aerial intended to receive signals from Durris can help in screening out the unwanted interference from Knock More. Any problems affecting BBC programmes are not caused by Knock More, but could be helped by careful aerial positioning. Aim for signal strength less than 90 percent but quality as high as possible, preferably 100 percent.
Also beware of interference from HDMI cables (if fitted) causing problems to individual frequencies.

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KMJ,Derby's 1,811 posts GB flag
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Your comment please
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.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

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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