Full Freeview on the Divis (Northern Ireland) transmitter

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

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54.607,-6.009 or 54°36'24"N 6°0'34"W

BT17 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

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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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	H max	C27 (522.0MHz)	551m	DTG-	100,000W
	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)	551m	DTG-	100,000W
	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)	551m	DTG-	100,000W
	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 66 TBN UK,
COM4 SDN	H -3dB	C23 (490.0MHz)	551m	DTG-8	50,000W
	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)	528m	DTG-8	50,000W
	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)	528m	DTG-8	50,000W
	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)	528m	DTG-12	5,000W
	from 29th September 2014: 7 NvTv,
NIMM	H -40dB	C48 (690.0MHz)	551m	DTG-	10W
	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?

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

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 Fields

Transposer

Central Belfast

61 homes

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

	1950s-80s	1984-97	1997-98	1998-2012	2012-13	4 Mar 2020
	VHF	A K T	A K T	A K T	K T	W T
C1	BBCtv_waves
C21		C4_waves	C4_waves	C4_waves	+D3+4	D3+4
C23					SDN	SDN
C24		ITV_waves	ITV_waves	ITV_waves	BBCB	BBCB
C26					ArqA	ArqA
C27		BBC2_waves	BBC2_waves	BBC2_waves	BBCA	BBCA
C29					ArqB
C30						LBT
C31		BBC1_waves	BBC1_waves	BBC1_waves
C33						com7
C34						com8
C36						_local
C48					NIMM	NIMM
C55_{tv_off}						com7_{tv_off}
C56_{tv_off}						COM8_{tv_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

Local transmitter maps

Divis Freeview Divis DAB Divis TV region BBC Northern Ireland UTV

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

Oct 1959-May 2006	Ulster Television
May 2006-Dec 2014	UTV plc

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV 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.

Is the transmitter output the same in all directions?

M

Micheal E
6:55 PM

Peter I agree with you 100%. I'm living in Newry and have a TV with built in . I've been scanning since January in the of receiving something to no avail.It stops and scans at ch 23 and 33 etc for a few seconds before invariably finding nothing.

I'm stuck with an expensive TV not living up to it's full expectations all because the level is so low. Why it can't be increased slightly for the Olympics and the Euro's is anyone's guess.

I'm thinking about contacting my local MP to see if he can do anything.

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Micheal E's 12 posts GB flag

P

P. Kieran Ward

_{sentiment_satisfied}Bronze

12:11 AM

Downeagle - I believe I heard on both BBCNI and that there was work being undertaken at the during this week (21st - 25th May 2012).

Regards

kieranward

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P. Kieran Ward's 89 posts GB flag

P

Peter Henderson

_{sentiment_satisfied}Silver

11:09 AM

Along with Kieran.

However, since you're receiving Downeagle, you must have your pointed at .

Most likely due to atmospheric conditions.

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Peter Henderson's 240 posts GB flag

D

davy
9:15 PM

I live in glengormley bt36.. which should i go to for best ..at the moment most aerials point to carnmoney...i would like to get recption from as this has more

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davy's 1 post GB flag

M

Mark Fletcher

_{sentiment_satisfied}Gold

11:36 PM
Halifax

Davy,Glengormley.If you were to wait until after is completed in Northern /Ulster from Wednesday 24 October 2012 onwards,then what you indicated about being yer preferred option certainly will bear fruit.Please bear in mind if you did opt for the main Divis ,you will need preferably a group A ,or a group K aerial as an alternative.

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Mark Fletcher's 673 posts GB flag

Mark's: M's Freeview map M's terrain plot M's frequency data M's Freeview Detailed Coverage

P

Peter Henderson

_{sentiment_satisfied}Silver

12:16 AM

Davy: Depends what part of Glegomey your in.

On the Antrim Road down around Pizza Hut for example, most aerials point tooward , but up around the church road and Ballyhenry Road they all seem to receive . After there's going to be a considerable increase so even areas that can't get from Divis at the moment may well do so after DSO.

I'd try Digital UK's postcode checker which should give you a rough idea of what will be available after 24th October.

Don't forget, the new RTE NIMM will be broadcast from Carnmoney Hill. If you can't receive the NIMM from it may be worthwhile putting aerials up for both and diplexing them into the one downlead.

I don't think reaches Glengprmley although who knows what will happen after it increases power to 160kw in October !

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Peter Henderson's 240 posts GB flag

J

john
9:03 AM

I live in and can not receive any chanels at all. Is this likely to change?

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john's 2 posts GB flag

Dave Lindsay

_{sentiment_very_satisfied}Platinum

9:31 AM

John: In October the will become a Light transmitter. This means that it will carry Public Service Broadcaster (PSB) only, those being BBC, , UTV+1, ITV2, , Channel 4+1, E4, More 4, Channel 5, and the four HD services.

In order to receive the full range of services, you will need to receive from a main , probably , if you can.

If you have an on Divis now which picks up the four channels, then it is "likely" to work after .

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Dave Lindsay's 5,724 posts GB flag

P

Peter Henderson
10:51 AM

Again Dave, John may get post when the increases yo 100/50kw.

You can check what will be available after DSO by using Digitak UK's postcode checker.

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Peter Henderson's 2 posts GB flag

M

Mark
3:57 PM

Saw on the news yesterday that RTE1, RTE2 and TG4 will be available on Freeview in NI after . Will viewers in NI need a box to watch? Will the RTE be broadcast in DVB/T or DVB/T2?

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Mark's 13 posts GB flag

Page 16

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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