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Full Freeview on the Knockmore (Moray, Scotland) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps57.532,-3.136 or 57°31'56"N 3°8'8"Wsa_postcodeAB55 6XP

 

The symbol shows the location of the Knockmore (Moray, Scotland) transmitter which serves 31,000 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 Knockmore (Moray, 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 Knockmore 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
C31 (554.0MHz)466mDTG-20,000W
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
C37 (602.0MHz)466mDTG-20,000W
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),

PSB3
BBCB
 H max
C29 (538.0MHz)466mDTG-20,000W
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
C33 (570.0MHz)466mDTG-810,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 83 Together TV, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 30 others

COM5
ArqA
 H -3dB
C36 (594.0MHz)466mDTG-810,000W
Channel icons
11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's TV 2, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

COM6
ArqB
 H -3dB
C48- (689.8MHz)466mDTG-810,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! romance mix, 71 That’s 60s, 73 HobbyMaker, 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)

The Knockmore (Moray, 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 Knockmore transmitter?

regional news image
BBC Reporting Scotland 2.4m homes 9.2%
from Glasgow G51 1DA, 199km south-southwest (203°)
to BBC Scotland region - 230 masts.
regional news image
STV News 0.4m homes 1.5%
from Aberdeen AB12 3QH, 77km southeast (126°)
to STV North (Aberdeen) region - 76 masts.

Are there any self-help relays?

BerriedaleActive deflector90 km NE Invernes,13 homes
CarronTransposer20 km S Elgin35 homes
Glascarnoch CActive deflector
LangwellActive deflector90 km NE Invernes3 homes
LochrosqueActive deflectorLochrosque Lodge 40km W Dingwall2 homes
Turriff C/pTransposerAberdeenshire1 homes 60 caravans

How will the Knockmore (Moray, Scotland) transmission frequencies change over time?

1984-971997-981998-20102010-132013-182013-1723 Aug 2017
A K TA K TA K TW TW TW TW T
C23ITVwavesITVwavesITVwavesD3+4D3+4D3+4
C26BBC2wavesBBC2wavesBBC2wavesBBCABBCABBCA
C29C4wavesC4wavesC4wavesBBCBBBCBBBCBBBCB
C31BBCA
C33BBC1wavesBBC1wavesBBC1wavesSDN
C36ArqA
C37D3+4
C48ArqB
C53tv_offSDNSDNSDN
C56tv_off_local_local_local_local
C57tv_offArqAArqAArqA
C60tv_off -ArqB-ArqB

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 8 Sep 10 and 22 Sep 10.

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

Analogue 1-4 100kW
BBCA, D3+4, BBCB(-7dB) 20kW
SDN, ARQA, ARQB(-10dB) 10kW
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*(-20dB) 1000W

Which companies have run the Channel 3 services in the Knock More 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. Knockmore 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.

Comments
Wednesday, 24 October 2012
J
jb38
sentiment_very_satisfiedPlatinum

11:41 PM

John: Rumster @ 10 miles / 26 degrees is, as you have mentioned indicated (in theory) as providing excellent reception at your location, and although I have my doubts as to whether or not you will receive them the two alternatives to Rumster are Rosemarkie @ 45 miles / 210 degrees and Knockmore @ 48 miles / 165 degrees, the reception predictions for Rosemarkie being "good" on the PSB channels but "variable" on the commercials, Knockmore being the reverse whereby "variable" on the PSB channels but "good" on the commercials.

I do appreciate the point you are making regarding foreign channels at times being better that locals, but that can happen with certain types of atmospheric conditions whereby a signal can be bounced back down to earth again at a considerable distance away from the transmitter, although because atmospheric reasons are involved the signal cannot be relied upon for any length of time, because as soon as these conditions inevitably start to change the signal can vanish just as quick as it was received.

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jb38's 7,179 posts GB flag
Thursday, 12 September 2013
I
ian
5:44 PM

sometimes in spring and early autumn-for example at the moment our BBC channels suffer from interference -the other channels are usually fine ?

any ideas?

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ian's 1 post GB flag
Saturday, 7 February 2015
C
Colin Swan
2:24 PM
Carrbridge

Post code is PH23 3NA
Please can you tell me if I will be able to receive the Full Freeview service from Knock More at this site near Carrbridge called Lochanhully?

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Colin Swan's 12 posts GB flag
Colin's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
J
jb38
sentiment_very_satisfiedPlatinum

5:23 PM

Colin Swan: If by "full service" you are meaning the range of commercial programmes, e.g: ITV3, Pick TV, Sky news etc?, then they are already being transmitted from Knockmore, but though your location is not indicated as being able to receive them due to the signal path from the transmitter suffering from multiple line-of-sight obstructions, even the BBC and ITV which is transmitted at a higher power, comes under the status of poor as far as reception is concerned.

Freesat is about the only way you will ever be able to view the full range of programmes, that is if the satellite dish can get a clear unobstructed view of a Southern facing skyline at (approximately) 152 degrees.

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jb38's 7,179 posts GB flag
J
jb38
sentiment_very_satisfiedPlatinum

5:59 PM

Colin Swan : As an afterthought, should you be referring to the Grantown Freeview light relay of Knockmore, located @ 5.5 miles, then it (like dozens more) will not be getting upgraded, as anything other than BBC1 and ITV1 are not connected with the licence fee and as such having to be paid for purely by commercial interests, most of these interests (advertisers) having considered that the costs involved of providing and running the service would not be justified by the returns expected from areas of low population.

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jb38's 7,179 posts GB flag
Sunday, 8 February 2015
C
Colin Swan
9:37 PM

Thank you.
Indeed reception at present is from the Grantown relay with its very limited range of stations.
Looking at aerials around this area some appear to be pointing to Knock More and are horizontally polarised so that is why I was wondering if we could erect the correct aerial and thus receive the FULL Freeview service from Knock More. What 'group' aerial is required? If it could be mounted at a reasonable height then maybe reception would be possible!
I was not aware that ITV 1 was 'connected' to the licence fee as is BBC.
Also ITV2 is on the 'Light' Freeview service but not ITV3 - why is that I wonder.

link to this comment
Colin Swan's 12 posts GB flag
Monday, 9 February 2015
J
jb38
sentiment_very_satisfiedPlatinum

9:21 PM

Colin Swan: What I had mentioned regarding Knockmore not being receivable at your location was based on that seen using Digital UK's postal code based reception predictor, and although information from these sources always has to taken with the proverbial pinch of salt with regards to accuracy, in your particular case the negative predictions given as far as reception from Knockmore is somewhat backed up by the terrain indicator, (not predictor) which as mentioned in my previous reply indicates multiple obstructions to the signal path from that station.

Although you mentioned as having seen a number of horizontally mounted aerials in your area appearing to point towards Knockmore, this station being on a bearing of 56 degrees whereas the Grantown relay is 68 degrees, I carried out a Google Earth rooftop tour in the Carrbridge area (starting at Packhorse Bridge) and could only find one horizontally mounted aerial, all being vertically mounted and pointing towards Grantown.

That said, it might be the case that a few choice spots for reception from the station desired is possible in your particular location, as any horizontally polarised aerial you see has to be pointing towards Knockmore as no other transmitters exist, however its really a case of just how reliable the reception is from that station, this being where it would be prudent to try and make one or two enquiries in the area where you have seen these aerials.

By the way, the aerial required to cover reception from Knockmore would have to be a wide band type, as the channels span from 23 - 60, a Log periodic type aerial used in conjunction with about a 15db (minimum) booster being an ideal choice, the SLX brand 20db variable gain boosters sold by Argos being excellent for this purpose.

Terrain indicator.


Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location



Reception predictor.

Coverage Checker - Detailed View





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jb38's 7,179 posts GB flag
Monday, 18 September 2017
S
Shannon D
5:25 PM

All the tv's in our house have no signal at all. no analog or digital channels what so ever.

link to this comment
Shannon D's 1 post GB flag
M
MikeB
sentiment_very_satisfiedPlatinum

7:38 PM

Shannon D: Check your transmitter on this site - if its working OK then its your system. Start with loose cables, etc.

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MikeB's 2,579 posts GB flag
Sunday, 18 March 2018
T
Tim Keats
8:12 PM

Unless I'm misunderstanding something, the post-2017 channel numbers for the Knockmore Freeview transmitter on this site do not line up with what I can see on my TVs and the site here:

http://www.digitaluk.co.u….pdf



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Tim Keats's 1 post GB flag
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