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Full Freeview on the Divis (Northern Ireland) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps54.607,-6.009 or 54°36'24"N 6°0'34"Wsa_postcodeBT17 0NG

 

The symbol shows the location of the Divis (Northern Ireland) transmitter which serves 440,000 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 Divis (Northern Ireland) transmitter.

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

Which Freeview channels does the Divis 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
C27 (522.0MHz)551mDTG-100,000W
Channel icons
1 BBC One (SD) Northern Ireland, 2 BBC Two Northern Ireland, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 14 others

PSB2
D3+4
 H max
C21+ (474.2MHz)551mDTG-100,000W
Channel icons
3 UTV (SD) (UTV), 4 Channel 4 (SD) NI ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 NI ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 UTV +1 (UTV), 71 That’s 60s,

PSB3
BBCB
 H max
C24 (498.0MHz)551mDTG-100,000W
Channel icons
46 5SELECT, 101 BBC One HD Northern Ireland, 102 BBC Two HD Northern Ireland, 103 UTV HD (UTV), 104 Channel 4 HD NI ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

COM4
SDN
 H -3dB
C23 (490.0MHz)551mDTG-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)528mDTG-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)528mDTG-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

LBT
 H -13dB
C36 (594.0MHz)528mDTG-125,000W
Channel icons
from 29th September 2014: 7 NvTv,

NIMM
 H -40dB
C48 (690.0MHz)551mDTG-10W
Channel icons
from 4th September 2019: 53 TG4, 54 RTÉ One, 55 RTÉ Two,

DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

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

regional news image
BBC Newsline 0.6m homes 2.5%
from Belfast BT2 8HQ, 1,044km northeast (51°)
to BBC Northern Ireland region - 46 masts.
regional news image
UTV Live 0.6m homes 2.5%
from Belfast BT7 1EB, 1,044km northeast (51°)
to UTV region - 46 masts.

Are there any self-help relays?

Chapel FieldsTransposerCentral Belfast61 homes

How will the Divis (Northern Ireland) transmission frequencies change over time?

1950s-80s1984-971997-981998-20122012-134 Mar 2020
VHFA K TA K TA K TK TW T
C1BBCtvwaves
C21C4wavesC4wavesC4waves+D3+4D3+4
C23SDNSDN
C24ITVwavesITVwavesITVwavesBBCBBBCB
C26ArqAArqA
C27BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C29ArqB
C30LBT
C31BBC1wavesBBC1wavesBBC1waves
C33com7
C34com8
C36_local
C48NIMMNIMM
C55tv_offcom7tv_off
C56tv_offCOM8tv_off

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 10 Oct 12 and 24 Oct 12.

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

Analogue 1-4 500kW
BBCA, D3+4, BBCB(-7dB) 100kW
SDN, ARQA, ARQB(-10dB) 50kW
com8(-16dB) 12.7kW
com7(-16.1dB) 12.4kW
LBT(-20dB) 5kW
Mux 1*, Mux 2*, Mux A*, Mux B*(-23.4dB) 2.3kW
Mux C*(-24dB) 2kW
Mux D*(-24.9dB) 1.6kW
NIMM(-47dB) 10W

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

Oct 1959-May 2006Ulster Television
May 2006-Dec 2014UTV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Divis 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, 14 December 2011
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

4:19 PM

Peter Henderson: It's simply spam. Ignore it, or tell Briantist about it.

link to this comment
Mike Dimmick's 2,486 posts GB flag
P
Peter Henderson
7:38 PM

Thought it might be Mike.

I see Brian's removed it already.

link to this comment
Peter Henderson's 3 posts GB flag
Thursday, 15 December 2011
J
JackMcKnight
11:34 AM

Peter Henderson. Thanks very much for taking the time and trouble to answer my questions on Freeview acquisition for my sister who lives on the Carnmoney Road Near to the library. I could only spot one Digital aerial locally and this appears to point at Divis/Cave Hill direction and is horizontally polarised.Currently my sister has an older aerial pointing to(I think-Carnmoney). Analogue reception on this aerial is very good, so maybe it'll be better to point a wideband one in this direction?? Would this be vertical or horizontal polarity please? Thanks again for all your help- I really appreciate it.P.S. I trust that Mike Dimmock's reference to "SPAM" is not directed at me.

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JackMcKnight's 4 posts GB flag
P
Peter Henderson
2:54 PM

Was on the Antrim Road area of Glengormly about half an hour ago Jack and it looks like all the aerials are pointing towards Carnmoney Hill, even on the older houses, so it looks like Freesat if she doesn't want to pay for extra channels from Sky or Virgin etc.

After DSO Divis will only require a group A antenna, but I'd be inclined to run with Freesat and Carnmeny Hill (which will also carry 3, or maybe 4 RTE stations). Might be simpler in the long run.

With the addition of 5* and 5 USA, along with Channel 5+1, Freesat is virtually as good (if not better) than Freeview these days anyway. and a far better option than Feeeview Lite.

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Peter Henderson's 12 posts GB flag
P
Peter Henderson
2:55 PM

P.S. Carnmoney Hill will require a group B bgoth pre and post DSO.

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Peter Henderson's 12 posts GB flag
Friday, 16 December 2011
J
JackMcKnight
11:37 AM
Newtownabbey

Peter Henderson. Thanks so much for your help and advice on Freeview/Freesat. I really appreciate your taking the time and trouble. Kind Regards, Jack McKnight.

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JackMcKnight's 4 posts GB flag
JackMcKnight's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Friday, 30 December 2011
R
Richard
10:26 AM

Hi have been having trouble with my freeview through my tv. past few days was able to retune and got bbc channels, but they were unwatchable, now when i do a scan no channels are being found and says to check antenna connection. Annalogue channels are working ok.Ballymena area, any ideas?

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Richard's 3 posts GB flag
Dave Lindsay
sentiment_very_satisfiedPlatinum

12:00 PM

Richard: In situations such as this, retuning is likely to cause more problems and doesn't solve anything. Unless it is known that the TV is tuned to the wrong frequency, then the tuning is OK.

I think that it's likely that the level of the signals to the TV have dropped, maybe due to atmospheric conditions (for example). Now you aren't going to know when they are back because your TV isn't tuned.

I suggest that you attempt to manually tune in any missing channels. Having got some tuned, then don't do another auto-tune scan because it will wipe them. Once you have some, you need to keep manually tuning to the channels (frequencies) of the missing ones.

For manual tuning, the channels used by Divis are:

Mux 1 - BBC One, BBC Two etc - Ch29
Mux 2 - UTV, C4 etc - Ch33
Mux A - ITV3, QVC etc - Ch23
Mux B - BBC Four, BBC Parliament etc - Ch26
Mux C - Pick TV, Dave etc - Ch48
Mux D - Yesterday, Film4 etc - Ch34

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Dave Lindsay's 5,724 posts GB flag
R
richard
1:01 PM

Thanks Dave, My father was in an electrical store in town and was told thesignal from Divis had been reduced or something.

I guess when it increase's again and if i do an auto scan they will appear. In mean time i will try manual scan

Thanks

link to this comment
richard's 3 posts GB flag
R
richard
1:04 PM

Manual scan not working either, is saying signal quality none and level flicks from bar being nothing to ust on.

link to this comment
richard's 3 posts GB flag
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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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