Full Freeview on the Durris (Aberdeenshire, Scotland) transmitter
Brian Butterworth first published this on - UK Free TV
Google Streetview | Google map | Bing map | Google Earth | 57.000,-2.392 or 56°59'59"N 2°23'30"W | AB39 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.
This transmitter has no current reported problems
The BBC and Digital UK report there are no faults or engineering work on the Durris (Aberdeenshire, Scotland) transmitter._______
Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
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.
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?
BBC Reporting Scotland 2.4m homes 9.2%
from Glasgow G51 1DA, 173km southwest (224°)
to BBC Scotland region - 230 masts.
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) | Transposer | 2 km N city centre | 837 homes (dealer estimate) |
Aberdeen-talisman | Transposer | 1 km SW city centre | 100 homes |
Fyvie | Active deflector | 37 km NW Aberdeen | 10 homes Hotel |
Glen Tanar | Active deflector | 11 km E Ballater | 13 homes |
Glenlivet | Transposer | 15 km E Grantown-on- Spey | 70 homes School |
Haughton House C/p | Transposer | 1 km N Aford Aberdeenshire | 1 homes 150 caravans |
Oyne | Active deflector | 33 km NW Aberdeen | 11 homes |
Strathdon A | Transposer | 60 km W Aberdeen | 25 homes |
Strathdon B | Transposer | 25 homes | |
Strathdon C | Transposer | ‘appreciable population' | |
Strathdon D | Active deflector | ||
Strathdon E | Active deflector | ||
Strathdon F | Active deflector |
How will the Durris (Aberdeenshire, Scotland) transmission frequencies change over time?
1961-80s | 1984-97 | 1997-98 | 1998-2010 | 2010-13 | 3 Oct 2018 | ||||
VHF | A K T | W | W | A K T | W T | ||||
C9 | ITVwaves | ||||||||
C22 | BBC1waves | BBC1waves | BBC1waves | BBCB | BBCB | ||||
C23 | SDN | SDN | |||||||
C25 | ITVwaves | ITVwaves | ITVwaves | D3+4 | D3+4 | ||||
C26 | ArqA | ArqA | |||||||
C28 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
C29 | ArqB | ||||||||
C30 | _local | ArqB | |||||||
C32 | C4waves | C4waves | C4waves | com7 | |||||
C35 | com8 | ||||||||
C41 | _local | ||||||||
C55tv_off | com7tv_off | ||||||||
C56tv_off | COM8tv_off | ||||||||
C67 | C5waves | C5waves |
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 |
Local transmitter maps
Durris Freeview Durris TV region BBC Scotland STV North (Aberdeen micro region)Which companies have run the Channel 3 services in the Durris transmitter area
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Is the transmitter output the same in all directions?
Radiation patterns withheldWednesday, 29 May 2013
J
Jon11:03 AM
Aberdeen
Anyone else getting poor reception on all BBC TV & radio?At AB24 2BE.
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Jon's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Friday, 31 May 2013
Jon: No problems have been reported. Can you have a look at Single frequency interference | Freeview Interference | ukfree.tv - 10 years of independent, free digital TV advice please?
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Monday, 17 June 2013
R
Robin Mutch8:08 PM
Banchory
Can you advise why over the past two weeks we have had no digital at times from the Durris Transmitter. Sometimes it is BBC channels at other times channels 3 and 4. This evening it is channels 1 to 4 plus all the rest of the digital channels. Location is west Banchory post code AB31 5RT. Please do not tell me there are no reported problems this is happening all to often again after a period of stability over the winter and spring.
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Robin's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
Robin Mutch: Refer to the terrain plot:
Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location
You do not have line-of-sight due to the ground dropping downwards a short distance away.
There are lots of trees, some of which are probably in the signal path. The deciduous ones drop their leaves in autumn. They will now have leaves on which may act to reduce the quality/strength of your signal.
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R
Robin Mutch8:52 PM
Dave, do not accept this as now channel 3 and 4 are being received with a strong signal but still no channels 1 and 2 but they will be back on later in the evening as usually happens but then we may lose 3 and 4. There must be another explanation! Although we have trees around we have line of sight and I do not see how ground dropping would affect could understand a rise between house and transmitter. Leaves are trees all summer but we loose signal for 2 hours at a time. Nice still night no wind to give movement on trees.
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Robin Mutch: I do not understand why you are so quick to dismiss the possibility of it being trees. The fact that not all channels are affected is typical of the effects of trees on reception.
The point about the ground dropping was taken from the Megalithia terrain plot. Of course it only samples the ground height at intervals so it may not be entirely representative of your situation.
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Robin Mutch: Before switchover, how was your analogue reception? Was it poor at times?
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Robin Mutch9:26 PM
Dave, and does the explanation of trees explain why I now have channels 1 and 2. As stated it is a calm night with no branch movement. I feel that it is interruptions to signal strength in this direction from the transmitter that is the cause of the problem.
Do not know what the red area is in the line of sight. Base reference to the house is not exact, we sit about 100m further back.
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Robin Mutch: For what it's worth, my terrain plot uses 100m interval data for the UK. Freeview reception at AB31 5RT Terrain between AB315RT and Freeview masts and the line takes into account signals above the line of sight.
You can adjust the height above the ground using the box at the bottom.
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... and you can use lat,long if you have a exact GPS fix.
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