Full Freeview on the Rowridge (Isle Of Wight, England) transmitter
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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.
Are there any planned engineering works or unexpected transmitter faults on the Rowridge (Isle Of Wight, England) mast?
Rowridge transmitter - Rowridge transmitter: Possible effect on TV reception week commencing 04/12/2023 Pixelation or flickering on some or all channels 
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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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Sunday, 4 November 2012
S
Steve11:47 PM
Hola,
I quick final post from me (I hope so anyway).
I just went back and tested all the COM6 channels again, and today they are at 82, pretty much the same as all the others. I think that this means that Rowridge was indeed low on power yesterday when I was only getting 60 after the shift to vertical, and didly horizontal.
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Tuesday, 6 November 2012
M
Mike Wells1:17 PM
Sturminster Newton
I live in North Dorset (DT10) at the edge of Rowridge reception. My aerial is set for horizontal polarisation but I don't know if I can rotate it for vertical. I have another aerial directed at Mendip transmitter, would I create a problem if I rotated this one and aimed it at rowridge thus giving both vertical and horizontal set up at the same time?
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Mike's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Mike Wells: The Mendip aerial may be a Group C/D one. If it is a wideband aerial, then this will work to a degree for Rowridge. Wideband yagi aerials aren't as good for Group A channels, of which Rowridge uses exclusively:
Aerials, TV Aerial and Digital Aerial
It's not possible to receive horizontally and vertically at the same time with a yagi aerial.
Rowridge broadcasts PSBs at 200kW horizontally and vertically. Its COMs are 50kW horizontally and 200kW vertically. The restriction horizontally is primarily due to the overlap with Stockland Hill and Crystal Palace which use the same three channels (but don't share PSB channels).
The Digital UK Postcode Checker suggests "good" reception of Stockland Hill's PSBs and none of its COMs. The same goes for Rowridge for both polarisations. Whilst it should always be born in mind that such predictors are calculated and may not be what is found to be possible, it could suggest that the only transmitter you may pick up the COMs from is Mendip.
It is possible that even though the vertical signals from Rowridge are the same power that they don't serve the same areas because the radiation patterns are different. For example, maybe its COMs are restricted to the south for international reasons. Similarly, maybe they are restricted in the direction of Stockland Hill so as not to interfere. This is possible speculation on my part which may be worth bearing in mind.
Refer to this page:
The commercial multiplex after switchover: ArqA, ArqB and SDN | ukfree.tv - 10 years of independent, free digital TV advice
It shows that around one third of Rowridge viewers are likely to be unable to receive the COMs.
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MIKE WELLS
SIMPLY :)
if you change your rowridge aerial to vertical it will not affect your 2nd aerial which is on another transmitter.
Changing the polarisation of the rowridge aerial to VP will only enable to receive the reception with a better signal, the mux's which VP receive are exactly the same as the mux's you are receiving on HP.
The aerial doesnt know its receiving HP or VP so cannot cause issues when combining with your 2nd aerial. It is simply receiving reception from certain mux's which do not conflict with the 2nd aerial.
regards
Jamie.
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Jamie's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
M
Mike Wells4:46 PM
Sturminster Newton
To clarify I am thinking of changing the Mendip aerial to point at Rowridge with vertical polarisation thus giving two aerials poiting at the same transmitter with one in vertical plane and one in horizontal plane. I want to maintain reception from Rowridge as that gives us the local news (BBC South) that interests us.
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Mike's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Mike Wells: As I have explained, the main thing it would depend on is if the Mendip aerial a Group C/D one. If it is then it isn't really suited to a Group A transmitter, which Rowridge is.
You cannot really use two aerials simulataneously, one horizontally and one vertically so I don't understand what you are thinking that will be gained.
There is an element of doubt as to whether you will be able to receive the COM channels from Rowridge, even with the aerial vertically orientated. This would tend to suggest that your chances of success might not be great and hence you need to use a Group A aerial for all the gain you can get.
If it proves that you can't receive the Rowridge COMs, then you need a diplexer to combine the Mendip aerial with the Rowridge one to give you Mendip's COMs and Rowridge's PSBs.
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MIKE WELLS
It doesnt matter if the aerial is HP or VP you will receive exactly the same channels....
you cannot have 2 aerials on the same transmitter combined into 1 receiver.
If for some strange reason you wish to use both HP and VP you will need to run seperate cables to seperate receivers.....
BUT as I say there is nothing to gain from this as you will have exactly the same channels.
regards
Jamie.
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Jamie's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Wednesday, 7 November 2012
M
Mike Wells11:35 AM
Sturminster Newton
Thanks for help which has clarified position, looks like I need to sort out good group A aerial VP or go down freesat route.
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Mike's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Friday, 21 December 2012
A
adrian_tcp11:39 PM
Fordingbridge
Hi,
I am in SP6 2JX on the edge of the New Forest. I have just fitted a second roof mounted Group A aerial for a new extension. I am pointing to Rowridge but an only receive a pixilated image for PSB2, PSB3 and COM6 channels. The aerial is horizontally polarised but I am receiving good COM4 and COM5 pictures. I am boosting the signal and getting nearly 70db micro v, yet the original aerial with the same booster provides a strong 80db micro v. Should I look at increased boost or a class 1 aerial? Does aerial vertical inclination impact reception or should they always be horizontal? Should brown coax be acceptable? Sorry, just a little frustrated that the old analogue aerial with old coax is better than the new gear. Thanks. Adrian.
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adrian_tcp's: mapA's Freeview map terrainA's terrain plot wavesA's frequency data A's Freeview Detailed Coverage
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