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),
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 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, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 35 others
COM5 ArqA	H -3dB	C26 (514.0MHz)	528m	DTG-8	50,000W
	Smithsonian Channel, 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 Christmas, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others
COM6 ArqB	H -3dB	C30 (546.0MHz)	528m	DTG-8	50,000W
	Quest Red +1, Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! christmas mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 235 Al Jazeera Eng, plus 20 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?

P

Paul Rice
9:54 AM
Belfast

How far away am I from the in BT6 8HQ .

Thanks for your help in advance

Paul

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Paul Rice's 1 post US flag

Paul's: P's Freeview map P's terrain plot P's frequency data P's Freeview Detailed Coverage

A

Amanda Hughenkis
12:17 PM

Paul Rice: Just over 4 miles. Its on the hill you can see from your street! Point your the same way as everyone elses on the street and your sorted

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Amanda Hughenkis's 1 post US flag

MikeP

_{sentiment_very_satisfied}Platinum

2:30 PM

Paul Rice:

Further to that said by Amanda Hughenkis, look at the blue digitaluk trade box under your posting. That leads you to Coverage Checker - Detailed View which shows you are 7 km away from the . Please ensure that your strength is between 60% and 85%, more will cause your problems.

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MikeP's 3,056 posts GB flag

D

david
5:51 PM

hi my areial is pointed to the teransmitter but i cant pick up keep it country tv.
i have the correct box and my postcode is bt538xw.
any ideas

ty

david

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david's 2 posts GB flag

D

Deirdre Kearney
6:15 PM
Belfast

BT7 3EE disappeared and I had to re-tune. This wiped all my pre-recorded settings. I think fault happened about 11.13am today.

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Deirdre Kearney's 2 posts GB flag

Deirdre's: D's Freeview map D's terrain plot D's frequency data D's Freeview Detailed Coverage

S

StevensOnln1

_{sentiment_very_satisfied}Platinum

7:01 PM

david: Keep It Country is on the COM7 which is not broadcast from .

Deirdre Kearney: Retuning is the worst thing to do if your disappear and is never recommended unless you have eliminated all other possible causes of the problem.

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StevensOnln1's 3,569 posts GB flag

C

Carl READE

_{sentiment_satisfied}Bronze

7:57 PM

Hi why is com 7,8 showing numbers 55 and 56?

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Carl READE's 51 posts GB flag

MikeP

_{sentiment_very_satisfied}Platinum

10:16 PM

Carl READE:

Because they are the used to transmit the COM7 and COM8 multiplexes. Arqiva, who own and operate the transmitters, are providing some additional on channels 55 and 56 on some of the main transmitters only. They are a temporary service whilst further changes are being made to free up the 700 MHz band.

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MikeP's 3,056 posts GB flag

P

P. Kieran Ward

_{sentiment_satisfied}Bronze

11:16 PM

Hi!

I reside in Belfast and my question relates to changes due to COM7 HD and COM8 HD. Currently I receive COM7 HD on UHF 33 and COM8 HD on UHF 34. There is a retune event due for both COM7 HD and COM8 HD on the 4th September 2019. This retune will move COM7 HD currently on UHF 33 to UHF 51 and COM8 HD currently on UHF 34 to UHF 60. A further retune event is planned for the period January to March 2020. In this retune COM7 HD will move to UHF 55 and COM8 HD to UHF 56. My interest in these retunes is; I currently receive from the RTE located in North Co. Louth. They currently use two Multiplexes and they transmit on UHF 52 and UHF 56. Does anyone on UKFreeTV know what will happen to Saorview at the retune planned for the period January to March 2020?

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P. Kieran Ward's 89 posts GB flag

C

Carl READE

_{sentiment_satisfied}Bronze

5:43 PM

P. Kieran Ward: I would also like to know this.

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Carl READE's 51 posts GB flag

Page 91

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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