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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-3100,000W
Channel icons
1 BBC One (SD) Northern Ireland, 2 BBC Two Northern Ireland, 9 BBC Four, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 13 others

PSB2
D3+4
 H max
C21+ (474.2MHz)551mDTG-3100,000W
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, 25 ITV4, 29 E4 +1, 34 UTV +1 (UTV),

PSB3
BBCB
 H max
C24 (498.0MHz)551mDTG-6100,000W
Channel icons
72 Shopping Quarter , 101 BBC One HD Northern Ireland, 102 BBC Two HD (England), 103 UTV HD (UTV), 104 Channel 4 HD NI ads, 105 Channel 5 HD, 204 CBBC HD, plus 1 others

COM4
SDN
 H -3dB
C23 (490.0MHz)551mDTG-850,000W
Channel icons
 CCXTV, 12 Quest, 20 Drama, 21 5USA, 28 ITV2 +1, 31 5STAR, 32 Paramount Network, 41 GREAT! movies action, 45 Channel 5 +1, 55 5SELECT, 57 ITVBe +1, 58 ITV3 +1, 59 ITV4 +1, 63 Blaze, 66 CBS Reality, 68 Horror Channel, 73 Drama +1, 77 TCC, 80 Blaze +1, 203 CITV, 211 Ketchup TV, 212 YAAAS!, plus 15 others

COM5
ArqA
 H -3dB
C26 (514.0MHz)528mDTG-850,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 30 4Music, 35 pick, 39 Quest Red, 42 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 56 Smithsonian Channel, 69 Quest +1, 74 Yesterday +1, 82 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H -3dB
C30 (546.0MHz)528mDTG-850,000W
Channel icons
23 Dave ja vu, 26 Yesterday, 33 GREAT! movies, 38 DMAX, 40 CBS Justice, 43 HGTV, 67 CBS Drama, 81 Talking Pictures TV, 84 PBS America, 234 RT, 235 Aljazeera English, plus 18 others

LBT
 H -13dB
C30 (546.0MHz)528mDTG-125,000W
Channel icons
from 29th September 2014: 7 NvTv,

com7
 H -9.1dB
C55 (746.0MHz)551mDTG-612,400W
Channel icons
 Together TV +1,  Merit, 64 FreeSports, 70 Quest Red +1, 76 Now 70s, 86 More4 +1, 87 PBS America +1, 89 Court TV, 96 Forces TV, 106 BBC Four HD, 107 BBC News HD, 113 RT HD, 114 Quest HD, 205 CBeebies HD, plus 2 others

NIMM
 H -40dB
C48 (690.0MHz)551mDTG-10W
Channel icons
from 4th September 2019: 52 TG4, 53 RTÉ One, 54 RTÉ Two,

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
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 - 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, 21 June 2017
MikeP
sentiment_very_satisfiedPlatinum

10:48 AM

Anday Race:

For us to answer your query we need a full post code so that we can check the reception at your locality, a general area is insufficient.



link to this comment
MikeP's 3,056 posts GB
Friday, 30 June 2017
A
Austin
2:30 PM
Carrickfergus

How far would I be from Divis Transmitter? Post code BT38 7NJ.

Thanks

Austin

link to this comment
Austin's 3 posts GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

5:10 PM

Austin: According to the DigitalUK Trade link which has appeared below your post, you're 20km away and should be able to get good reception of all multiplexes.

link to this comment
StevensOnln1's 3,207 posts GB
Tuesday, 11 July 2017
Transmitter engineering
sentiment_very_satisfiedOwner

11:33 AM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 10:10 today. FM: Radio 1 FM Weak Signal from 10:07 today, Radio 2 FM Weak Signal from 10:05 today, Radio 3 FM Weak Signal from 10:05 today, Radio 4 FM Weak Signal from 10:05 today, Radio Ulster FM Weak Signal f [BBC]

link to this comment
Transmitter engineering's 138,015 posts xx
Transmitter engineering
sentiment_very_satisfiedOwner

2:32 PM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 10:10 today to 11:40 today. FM: Radio 1 FM Weak Signal from 10:07 today to 11:40 today, Radio 2 FM Weak Signal from 10:05 today to 11:40 today, Radio 3 FM Weak Signal from 10:05 today to 11:40 today, Radio 4 FM [BBC]

link to this comment
Transmitter engineering's 138,015 posts xx
Wednesday, 12 July 2017
Transmitter engineering
sentiment_very_satisfiedOwner

5:31 AM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 10:10 yesterday to 11:40 yesterday. FM: Radio 1 FM Weak Signal from 10:07 yesterday to 11:40 yesterday, Radio 2 FM Weak Signal from 10:05 yesterday to 11:40 yesterday, Radio 3 FM Weak Signal from 10:05 yesterda [BBC]

link to this comment
Transmitter engineering's 138,015 posts xx
Thursday, 13 July 2017
Transmitter engineering
sentiment_very_satisfiedOwner

5:32 AM

DIVIS transmitter - DAB: BBC National DAB Radio Weak Signal from 10:10 on 11 Jul to 11:40 on 11 Jul. FM: Radio 1 FM Weak Signal from 10:07 on 11 Jul to 11:40 on 11 Jul, Radio 2 FM Weak Signal from 10:05 on 11 Jul to 11:40 on 11 Jul, Radio 3 FM Weak Signal from 10:05 on 11 Ju [BBC]

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Transmitter engineering's 138,015 posts xx
Wednesday, 26 July 2017
M
Mark Carragher
9:17 PM

Odd issue.I seem to lose CH26 at night with signal loss and high bit errors, it's fine during the day with 90/90 signal quality and strength.
Also o cannot receive CH29 at any time.I am using the correct band aerial (not wideband) and a Friend Supreme amp (and diplexer as I also get Irish transmitter).Any ideas what could be causing this.The postcode is BT 35 9JD

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Mark Carragher's 1 post IE
Friday, 15 September 2017
A
Austin
2:34 PM

Hello
I was looking at some "one for all" aerials and I had though that the SV 9495 should do what i want. What I am not quite clear about is what difference the higher decibel rating does. On this model it is given as 54 Db. Is there a simple way of understanding the higher Db on this model.

Regards

Austin

link to this comment
Austin's 3 posts GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

4:05 PM

Austin: Panel aerials like that are one of the worst designs for a TV aerial and are essentially just a piece of wire sticking out of an amplifier. An indoor aerial that looks like a small version of a rooftop aerial is likely to give much better reception. The dB rating refers to the gain, but with that aerial it is all achieved by amplifying the (probably weak) signal along with all the noise that will also be picked up.

link to this comment
StevensOnln1's 3,207 posts GB
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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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