Full Freeview on the Divis (Northern Ireland) transmitter
Google Streetview | Google map | Bing map | Google Earth | 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.
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
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 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.
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](/styles/images/regionalnews/302x152/bbc-newsline.jpg)
BBC Newsline 0.6m homes 2.5%
from Belfast BT2 8HQ, 1,044km northeast (51°)
to BBC Northern Ireland 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 | BBCtvwaves | ||||||||
C21 | C4waves | C4waves | C4waves | +D3+4 | D3+4 | ||||
C23 | SDN | SDN | |||||||
C24 | ITVwaves | ITVwaves | ITVwaves | BBCB | BBCB | ||||
C26 | ArqA | ArqA | |||||||
C27 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
C29 | ArqB | ||||||||
C30 | LBT | ||||||||
C31 | BBC1waves | BBC1waves | BBC1waves | ||||||
C33 | com7 | ||||||||
C34 | com8 | ||||||||
C36 | _local | ||||||||
C48 | NIMM | NIMM | |||||||
C55tv_off | com7tv_off | ||||||||
C56tv_off | COM8tv_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
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Sunday, 30 October 2011
DIVIS transmitter - Analogue BBC ONE Weak Signal; DSO related from 12:36 on 25 Oct to 11:47 on 27 Oct BBC TWO Weak Signal; DSO related from 10:58 on 25 Oct to 11:49 on 27 Oct [BBC] Over the next week Divis main transmitter: TV (analogue) working normally, TV (digital) working normally, Radio (analogue) Possible weak signal, Radio (digital) working normally. [DUK]
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DIVIS transmitter - Analogue BBC ONE Weak Signal; DSO related from 12:36 on 25 Oct to 11:47 on 27 Oct BBC TWO Weak Signal; DSO related from 10:58 on 25 Oct to 11:49 on 27 Oct [BBC] Over the next week Divis main transmitter: TV (analogue) working normally, TV (digital) working normally, Radio (analogue) Possible weak signal, Radio (digital) working normally. [DUK]
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Thursday, 3 November 2011
W
Wilfie Morrison3:18 PM
Ballymena
Is it possible to have an indoor aerial in my area to view digital freeview? If so, what sort may be suitable?
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Wilfie's: mapW's Freeview map terrainW's terrain plot wavesW's frequency data W's Freeview Detailed Coverage
Wilfie Morrison: No, a rooftop aerial is required for reliable reception, and you will not get all services until switchover, 24th October 2012.
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Tuesday, 8 November 2011
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tim4:54 PM
is there a problem with divas transmitter can only get 5* ... was working fine earlier ... 8th Nov 16:54
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tim: Sorry, no there are no transmitter problems reported. Please see Freeview reception has changed? | ukfree.tv - independent free digital TV advice for help.
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Wednesday, 9 November 2011
P
Peter Henderson11:12 AM
Tim: noticed all stations on channel 23 were poor last night (unwatchable) so it may well have been conditions.
Roll on next October.
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Friday, 18 November 2011
P
Peter Henderson7:18 PM
Details of the new RTE mini Mux have been apparently announced yeasterday.
Black Mountain at 2/1kw, Brougher at 1KW, and Carbmoney Hill at 16w.
So, no Divis then, but at least Black Mountain is at a higher power.
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Peter Henderson10:46 PM
Post 159 provides the info and all the necessary links Brian:
http://www.boards.ie/vbul…e=11
Lots of technical info as well.
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