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Full Freeview on the Divis (Northern Ireland) transmitter

first published this on - UK Free TV
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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.

Are there any planned engineering works or unexpected transmitter faults on the Divis (Northern Ireland) mast?

Divis transmitter - Divis transmitter: Possible effect on TV reception week commencing 25/03/2024 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
_______

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),

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 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
C26 (514.0MHz)528mDTG-850,000W
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
C30 (546.0MHz)528mDTG-850,000W
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

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
Monday, 12 October 2015
Transmitter engineering
sentiment_very_satisfiedOwner

9:09 AM

DIVIS transmitter - Possible service interruptions [DUK]

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Transmitter engineering's 149,799 posts xx flag
Tuesday, 20 October 2015
Transmitter engineering
sentiment_very_satisfiedOwner

4:32 AM

DIVIS transmitter - Possible service interruptions [DUK]

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Transmitter engineering's 149,799 posts xx flag
Thursday, 22 October 2015
R
robert
4:17 PM

hi would like to no what is the best freeview aerial for carrickfergus. indoor or outside.bob

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robert's 1 post GB flag
Friday, 23 October 2015
M
MikeP
sentiment_satisfiedSilver

9:22 AM
Trowbridge

Robert:

As you have not given a post code it is difficult to know what the receptions conditions are like in your area.

However, an aerial mounted externally at or just above roof level is always better than one in the loft. Aerials for use in a room are never very good unless you are just a mile or so from the transmitter.

Divis uses the Group A channels so the ideal aerial would either be a Group A type or a log-periodic (that covers all the channels) and should be mounted with the 'cross bars' horizontal. Do not fall for the scam of a 'digital aerial' as all TV aerials will be designed to receive the Freeview signals, some suppliers appear to charge more for the word 'digital'!
Hope that helps?

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MikeP's 215 posts GB flag
MikeP's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Wednesday, 28 October 2015
Transmitter engineering
sentiment_very_satisfiedOwner

1:32 PM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 12:25 today. FM: Radio 1 FM Weak Signal from 11:06 today, Radio 2 FM Weak Signal from 11:06 today, Radio 3 FM Weak Signal from 11:06 today, Radio 4 FM Weak Signal from 11:06 today, Radio Ulster FM Weak Signal f [BBC]

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Transmitter engineering's 149,799 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

4:32 PM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 12:25 today to 14:37 today. FM: Radio 1 FM Weak Signal from 11:06 today to 15:16 today, Radio 2 FM Weak Signal from 11:06 today to 15:16 today, Radio 3 FM Weak Signal from 11:06 today to 15:16 today, Radio 4 FM [BBC]

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Transmitter engineering's 149,799 posts xx flag
Thursday, 29 October 2015
Transmitter engineering
sentiment_very_satisfiedOwner

4:32 AM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 12:25 yesterday to 14:37 yesterday. FM: Radio 1 FM Weak Signal from 11:06 yesterday to 15:16 yesterday, Radio 2 FM Weak Signal from 11:06 yesterday to 15:16 yesterday, Radio 3 FM Weak Signal from 11:06 yesterda [BBC]

link to this comment
Transmitter engineering's 149,799 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

1:33 PM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 10:29 today. FM: Radio 1 FM Weak Signal from 11:12 today, Radio 2 FM Weak Signal from 11:12 today, Radio 3 FM Weak Signal from 11:12 today, Radio 4 FM Weak Signal from 11:12 today, Radio Ulster FM Weak Signal f [BBC]

link to this comment
Transmitter engineering's 149,799 posts xx flag
Transmitter engineering
sentiment_very_satisfiedOwner

4:32 PM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 10:29 today to 14:10 today. FM: Radio 1 FM Weak Signal from 11:12 today to 14:20 today, Radio 2 FM Weak Signal from 11:12 today to 14:20 today, Radio 3 FM Weak Signal from 11:12 today to 14:20 today, Radio 4 FM [BBC]

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Transmitter engineering's 149,799 posts xx flag
Friday, 30 October 2015
Transmitter engineering
sentiment_very_satisfiedOwner

4:32 AM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 10:29 yesterday to 14:10 yesterday. FM: Radio 1 FM Weak Signal from 11:12 yesterday to 14:20 yesterday, Radio 2 FM Weak Signal from 11:12 yesterday to 14:20 yesterday, Radio 3 FM Weak Signal from 11:12 yesterda [BBC]

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Transmitter engineering's 149,799 posts xx 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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