Full Freeview on the Divis (Northern Ireland) transmitter
Brian Butterworth first published this on - UK Free TV
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.
_______
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
|
|
Thursday, 3 October 2024
Transmitter engineering
5:09 AM
5:09 AM
Divis transmitter - Divis transmitter: Possible effect on TV reception week commencing 30/09/2024 Pixelation or flickering on some or all channels [DUK]
link to this comment |
Friday, 4 October 2024
Your style is really unique compared to other folks I have
read stuff from. Many thanks for posting when yyou have tthe opportunity, Guess I'll just
bookmark this web site.
link to this comment |
Monday, 7 October 2024
Transmitter engineering
5:09 AM
5:09 AM
Divis transmitter - Divis transmitter: Possible effect on TV reception week commencing 07/10/2024 Pixelation or flickering on some or all channels [DUK]
link to this comment |
Monday, 14 October 2024
Transmitter engineering
10:48 AM
10:48 AM
Divis transmitter - Divis transmitter: Possible effect on TV reception week commencing 14/10/2024 Pixelation or flickering on some or all channels [DUK]
link to this comment |
Monday, 21 October 2024
Transmitter engineering
5:09 AM
5:09 AM
Divis transmitter - Divis transmitter: Possible effect on TV reception week commencing 21/10/2024 Pixelation or flickering on some or all channels [DUK]
link to this comment |
Monday, 28 October 2024
Transmitter engineering
5:09 AM
5:09 AM
Divis transmitter - Divis transmitter: Possible effect on TV reception week commencing 28/10/2024 Pixelation or flickering on some or all channels [DUK]
link to this comment |
Monday, 11 November 2024
Transmitter engineering
10:48 AM
10:48 AM
Divis transmitter - Divis transmitter: Possible effect on TV reception week commencing 11/11/2024 Switching Breaks [DUK]
link to this comment |
Tuesday, 12 November 2024
Transmitter engineering
1:49 PM
1:49 PM
Divis transmitter - Divis transmitter: Possible effect on TV reception week commencing 11/11/2024 Pixelation or flickering on some or all channels [DUK]
link to this comment |
Select more comments
Your comment please