Full Freeview on the Rowridge (Isle Of Wight, England) transmitter
Brian Butterworth first published this on - UK Free TV
Google Streetview | Google map | Bing map | Google Earth | 50.676,-1.369 or 50°40'35"N 1°22'7"W | PO30 4HT |
The symbol shows the location of the Rowridge (Isle Of Wight, England) transmitter which serves 620,000 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 Rowridge 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 Rowridge transmitter?
BBC South Today 1.3m homes 4.9%
from Southampton SO14 7PU, 26km north (354°)
to BBC South region - 39 masts.
ITV Meridian News 0.9m homes 3.6%
from Whiteley PO15 7AD, 24km north-northeast (20°)
to ITV Meridian (South Coast) region - 39 masts.
All of lunch, weekend and 50% evening news is shared with all of Meridian plus Oxford
Are there any self-help relays?
Portsmouth Docks | Transposer | 2 km N city centre | 50 homes Estimate. Group of houses' |
How will the Rowridge (Isle Of Wight, England) transmission frequencies change over time?
1950s-80s | 1984-97 | 1997-98 | 1998-2012 | 2012-13 | 2 May 2018 | ||||
VHF | A K T | A K T | A K T | A K T | W T | ||||
C3 | BBCtvwaves | ||||||||
C21 | C4waves | C4waves | C4waves | +BBCB | BBCB | ||||
C22 | +ArqA | ArqA | |||||||
C24 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
C25 | SDN | SDN | |||||||
C27 | ITVwaves | ITVwaves | ITVwaves | D3+4 | D3+4 | ||||
C28 | ArqB | ArqB | |||||||
C29 | LSO | ||||||||
C31 | BBC1waves | BBC1waves | BBC1waves | com7 | |||||
C37 | com8 | ||||||||
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 7 Mar 12 and 21 Mar 12.
How do the old analogue and currrent digital signal levels compare?
Analogue 1-4 | 500kW | |
PSB1||, PSB1≡, PSB2||, PSB2≡, PSB3||, PSB3≡ | (-4dB) 200kW | |
COM4≡, COM4||, COM5≡, COM5||, COM6≡, COM6|| | (-10dB) 50kW | |
com7≡ | (-13.1dB) 24.4kW | |
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D* | (-14dB) 20kW | |
com8≡ | (-14.3dB) 18.4kW | |
LSO≡ | (-17dB) 10kW |
Local transmitter maps
Rowridge Freeview Rowridge DAB Rowridge TV region BBC South Meridian (South Coast micro region)Which companies have run the Channel 3 services in the Rowridge transmitter area
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Friday, 26 July 2013
W
Will9:16 PM
I am in Southampton SO17 and have had problems witht he ArqA channels for that past couple of weeks. Does anyone know what the problem might be? Nothing has changed in my configuration or elsewhere in my house.
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Saturday, 27 July 2013
WILL
Hi,
Its difficult to say without viewing the install but here are a few pointers.
**all of which are tricky without the correct test equipment** :)
there are only a few things that will cause issues on only a single mux.
You may have something in the line of sight which is making the reception on the one mux marginal, this can be cured by mounting the aerial in a different part of the house which doesn't have the obstruction.
When it is hot you lose signal strength, if one or more mux are running on marginal reception then this drop in signal strength will be noticed on the channels you view.
You will need to get all 6 muxs running at the same strength and quality so that you never have issues in hot or cold weather.
Changing your aerial so that it is Vertical rather than Horizontal could assist the issue, also moving the aerial to a different part of the building could also be another thing to try.
Vertical reception on Rowridge is transmitted at a stronger reception rather than horizontal.
If your antenna is 20years plus in age you should also consider replacement.
The main thing to remember is that the strength and quality of the signal at the point of the aerial is the most important thing, if the reception is not correct at the beginning of the install its never going to be right further down the cable regardless of what you do.
If you decide you need a professional then give me a call, I cover your area.
regards
Jamie stevens
jays cabling services
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Jamie's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Sunday, 28 July 2013
W
Will1:50 AM
Hi Jamie, thanks for your reply.
My install hasn't changed for a couple of years so hopefully it is the recent weather, but I shall try moving the aerial to see if that improves things.
Cheers,
Will
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Tuesday, 30 July 2013
J
James Lewis9:37 PM
Hi,
I live in BH6 and have two Samsung LCD TV's both running off the same ariel. My older TV upstairs is absolutely fine but I appear to be having intermittent problems with picking up ITV/CH4/CH5, in fact the same channels as on the D3+4 Mux (C27 frequency).
Given that its fine some of the time but not others I think I can discount cabling, I've retuned/reset and downloaded latest firmware updates. Can anyone suggest what it could be?
Thanks, James
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Wednesday, 31 July 2013
J
jb388:01 AM
James Lewis: When you say that your older upstairs TV is fine, then although not specifically mentioned as such but are you meaning that the problem with ITV is only associated with the TV downstairs? if it is then this can simply be caused by the tuner used in the downstairs TV being less sensitive, this proven or otherwise by testing the outlet using the upstairs TV, if though the older TV also shows problems on ITV when using that outlet then the signal strength on it must be lower.
Is the socket fed via a two way powered splitter or not?
If on the other hand you are just referring to ITV1 reception in general then mux channels are not necessarily received at the same levels as each other and you could be running at a less than ideal level which would reveal this, test this by carrying out a signal strength test on BBC1 then try it on ITV1.
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Monday, 5 August 2013
C
Cyril Teed6:28 AM
Brockenhurst
I live in Brockenhurst, which is not a good freeview reception area, but with a class 2 antenna fitted when digital transmissions started, I rarely had problems before the frequency changes in 2012.
Since that time I have picture & sound breakup mostly on Mux Coms 5 channels. The breakup seems to be worse in summer and later in the day.
Presumably some CCI or ACI is to blame.
Would I benefit by fitting an improved antenna?
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Cyril's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Cyril Teed: I'm not sure why you say that you are "not a good freeview reception area".
All indications show you should have excellent reception.
Perhaps you have a problem that looks like poor signals, but isn't - Freeview signals: too much of a good thing is bad for you | Digital switchover | ukfree.tv - 11 years of independent, free digital TV advice ?
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P
Phil King7:35 AM
Poole
Update: we've finally got Freeview reception again. Turns out it was something to do with the masthead amplifier (I didn't even know we had one). I found a Visioin power supply for it in the loft. Upon unplugging it and plugging it back in, the green light came back on and so did our Freeview! Fingers crossed it carries on working. Maybe it just needed a reset?
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Phil's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
C
Cyril Teed4:42 PM
Brockenhurst
for Briantist
Brockenhurst is low lying, there are hills between us and the Rowridge Transmitter, and I understand a number of people have had reception difficulties.
However, my digital signal was adequate with before the frequency changes.
Several months ago I made several checks putting a TV directly on the antenna feed (it normally goes through a distribution amplifier in the loft) but this had negligible effect on the picture break up. The antenna was OK before the frequency changes and still seems to be pointing in the right direct. There could be a problem with the antenna or cable or maybe I need a better antenna. Your opinion would be welcome.
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Cyril's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Cyril Teed: Turn your aerial for vertical polarisation.
Rowridge broadcasts PSB channels at 200kW horizontally and 200kW vertically.
It broadcasts COM channels at 50kW horizontally and 200kW vertically.
A different aerial is not likely to be required - unless it is broken - because all channels are Group A.
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