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.
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._______
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?
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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Friday, 30 December 2011
P
Peter Henderson8:25 PM
We may have to put up with this kind of thing until DSO Richard.
Roll on next October !
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P
Peter Henderson8:26 PM
P.S. Might be a good idea to check all connections.
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Monday, 16 January 2012
M
M E Moore7:18 PM
I've being trying to get an answer to this question from other places to no avail so I'm hoping someone can answer it here.
With London switching to digital in April 2012 and N Ireland not converting until October 2012, will N Ireland analogue viewers still be able to receive live broadcasts from London based TV studios and stadiums etc?
Presumably they will be transmitting fully digital signals so I'm wondering is there any implications regarding events like the Olympics etc.
Thanks.
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M E Moore: The transmitters serving the London area will be switched to digital in April. That has nothing to do with Northern Ireland, even when the programming comes from London.
You haven't stumbled on some big secret to stop those in Northern Ireland from watching the Olympics!
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Friday, 20 January 2012
J
Jeff Montgomery10:41 AM
Hi, I have followed all the advised procedures and it seems I am unable to receive ITV, Channel 4, Channel 5 or E4 through free view. My Postcode is BT44 0BS and we are serviced by the Divis transmitter. I'm concerned that, with the digital switchover later this year, I will be unable to receive these channels at all. Is there a plan to strengthen the signals? Or is it just "sorry you can no longer see these major channels"? Thanks in advance. Jeff
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Jeff Montgomery: Before switchover, the digital signals are weaker than the current analogue ones. After switchover, the digital signals will be strong enough to cover the same area as the current analogue.
Due to the low power digital, some people won't be able to receive them and some will be on the margin.
You might try manually adding the multiplex that carries the services you aren't getting. A multiplex is a signal that carries a basket of services.
Try going through the menu to the manual tune option (assuming it exists on your set) and tune to channel 33.
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Sunday, 22 January 2012
R
Richard Johnston3:55 PM
Belfast
I have been thinking about going Freeview, but looking at the map it appears that at BT9 5HP there is no coverage from the transmitters. Am I correct in this, or just not interpreting the information correctly? Any help appreciated.
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Richard's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
K
KMJ,Derby7:29 PM
Richard Johnston: The Digital UK postcode checker predicts excellent reception from Divis should be possible at your location both now and after switchover. Reception from Divis requires an aerial pointing NW and mounted with the rods horizontal. If your aerial is set with the rods vertical and is pointing to Black Mountain you will have to wait until switchover for Freeview transmissions to begin. Good reception is predicted from Black Mountain, but only the three PSB muxes will be transmitted as Black Mountain is a Freeview light relay transmitter.
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Monday, 23 January 2012
R
Richard Johnston10:46 PM
Belfast
Thanks KMJ,Derby. What you say makes sense, it was just the way coverage looked on the map made me wonder about reception. Thanks again.
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Richard's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
Tuesday, 31 January 2012
C
Chris767:05 PM
Hi All
With regards the DSO Divis.. rte has confirmed it will be live on the service. Also the divis transmitter is going to be very powerful indeed so if anybody is going to diy a new wideband areial i would suggest to move the aerial slightly off line or attenuation will be needed.
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