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Full Freeview on the Rowridge (Isle Of Wight, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps50.676,-1.369 or 50°40'35"N 1°22'7"Wsa_postcodePO30 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.

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 18/09/2023 Pixelation or flickering on some or all channels Digital tick

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

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.

 V max
 H max
C24 (498.0MHz)
Channel icons
1 BBC One (SD) South, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 16 others

 V max
 H max
C27 (522.0MHz)
Channel icons
3 ITV 1 (SD) (Meridian (South Coast micro region)), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Meridian south coast),

 V max
 H max
C21+ (474.2MHz)
Channel icons
46 5SELECT, 101 BBC One HD South, 102 BBC Two HD England, 103 ITV 1 HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

 H -6dB
 V -6dB
C25 (506.0MHz)
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 Great! Movies Action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 69 HorrorXtra, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 91 WildEarth, 203 CITV, 208 Pop Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 16 others

 H -6dB
 V -6dB
C22+ (482.2MHz)
Channel icons
 Smithsonian Channel, 11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 70 Quest +1, 71 That's 60s, 74 Yesterday +1, 75 That's 70s, 233 Sky News, plus 9 others

 H -6dB
 V -6dB
C28 (530.0MHz)
Channel icons
 Quest Red +1,  Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! romance, 73 HobbyMaker, 76 That's 80s, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 90 Together TV +1, 235 Al Jazeera Eng, plus 19 others

 H -13dB
C37 (602.0MHz)299mDTG-1210,000W
Channel icons
from 22nd December 2014: 7 That's Solent,

DTG-8 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?

regional news image
BBC South Today 1.3m homes 4.9%
from Southampton SO14 7PU, 26km north (354°)
to BBC South region - 39 masts.
regional news image
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 DocksTransposer2 km N city centre50 homes Estimate. Group of houses'

How will the Rowridge (Isle Of Wight, England) transmission frequencies change over time?

1950s-80s1984-971997-981998-20122012-132 May 2018

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

Which companies have run the Channel 3 services in the Rowridge transmitter area

Aug 1958-Jan 1992Southern Television
Jan 1982-Dec 1992Television South (TVS)
Jan 1993-Feb 2004Meridian
Feb 2004-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Rowridge was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Friday, 18 May 2012
Dave Lindsay

12:28 PM

Harri Ackone: The most likely and most ideal solution is probably to switch your aerial from horizontal to vertical.

See the postings here from and in response to Brian Smith:

ITV 3 | - independent free digital TV advice

As for why one might be unable to cope with the difference in signal levels where others will can, not all are the same. There are differing factors:

1. The sensitivity/tolerance of the components in the tuner.

2. The loss in the cable and connectors from the point that the signals are distributed.

You could try swapping your receivers from different aerial points, as a test. Before you move any, observe the signal strength (where they give such information) and see if the signal is shown as being stronger at another outlet.

If the Sony fairs better in another room, then maybe a bit of attenuation will lower signal levels and provide a more stable result.

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Dave Lindsay's 5,724 posts GB flag
Harri Ackone
3:00 PM

Hi Dave Lindsay
Thanks for your feedbach it's very much appreciated but I don't think I'll be heading up to my roof to alter my aerial to vertical especially as I get vertigo!!!
This afternoon the missing channels returned a classic case of sods law methinks.
Would also appreciate an explanation in simple terms how one achieves this.."a bit of attenuation will lower signal levels and provide a more stable result"

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Harri Ackone's 2 posts GB flag
Harri's: mapH's Freeview map terrainH's terrain plot wavesH's frequency data H's Freeview Detailed Coverage
Dave Lindsay

3:34 PM

Harri Ackone: I would like to clarify my last sentence of my earlier posting. There is no guarantee that attenuating will work. It is a try it and see sort of thing.

An attenuator reduces signal levels and an amplifier increases them. If you have an amplifier which splits the feed from your aerial to different rooms and it has a variable control on it and it is accessible, then you should try reducing the level of amplification before introducing an attenuator.

An attenuator connects in line with the aerial lead. Variable ones are available for £3 or £4 online from souces such as eBay and Amazon. One such example is here:

1-20dB variable digital tv aerial signal attenuator | eBay

The problem is that the signals that you are having difficulty with are weaker horizontally than the Public Service channels (BBC, ITV1, C4, C5 etc). Vertically they are the same. So you have a marked difference in strength.

Resolution of a picture with digital signals works or it doesn't work. There is a threshold known as the "cliff edge". So a slight change in signal (which happens all the time) has meant that the services are viewable again. Therefore, I wouldn't be surprised if it goes again.

Therefore, for reliable reception you need sufficient signal so that the natural slight changes do not leave you without enough (at some times).

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Dave Lindsay's 5,724 posts GB flag
Saturday, 19 May 2012
Sean Marshall
9:25 PM

Are we going to have fewer birds around the Solent after everyone's turned their aerials to vertical and they don't have anywhere to sit?

I was thinking of having mine turned just so I don't hear it shaking down the chimney when one of the fat pigeons lands.

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Sean Marshall's 12 posts GB flag
Wednesday, 23 May 2012
Richard Hillier
8:26 PM

Hi I live on the Isle of Wight and would like to know when we get HD freeview?

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Richard Hillier's 1 post GB flag
Thursday, 24 May 2012
Mark Fletcher

1:47 PM

Richard Hillier.Somewhere on the I.O.W.
On frequency 21 already,from Rowridge mast !

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Mark Fletcher's 673 posts GB flag
Mark's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Dave Lindsay

1:49 PM

Richard Hillier: As Mark says, HD services are now available from Rowridge. They came on air at the second stage of switchover on 21st March.

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Dave Lindsay's 5,724 posts GB flag
Mark Fletcher

1:57 PM

Sean Marshall.
Yes if you're worried about obese pigeons dislodging your horizontally polarised aerial down yer chimney then yes switch the polarity to vertical,also make sure your aerial is a group A type (tipped red) if you reside in a poor/marginal area within Rowridge itself.One further advantage about vertical polarity on Rowridge is the more stable reception you will receive on the commercial multiplexes,SDN,ArqA & ArqB as it is broadcast on 200kw,compared to 50kw on horizontal polarity on the commercial multiplexes only which i stated above.
Yes go for vertical i say !

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Mark Fletcher's 673 posts GB flag
Mark's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Tuesday, 29 May 2012
Ted Hopper
10:32 AM

Help,please.In Winchester,Roof aerial points to Rowridge,horizontal polarity,Sony Bravia tv.I can get all muxes except ArqA. All at high signal but missing one.Retuning by auto or manual methods give same result ie no trace of com5(ArqA.) Tried single channel interference from vcr as aerial loops through. no difference.Is attenuation worth trying?. Before I risk life and limb on the roof trying out vertical polarity or has anyone any suggestions. Problem is driving me bonkers.

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Ted Hopper's 5 posts GB flag
Ted's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
Dave Lindsay

10:52 AM

Ted Hopper: Attenuation is probably the only thing you can try.

There is the possibility that some of the problem is interference from another transmitter which attenuation won't fix and which polarising your aerial vertically will probably help.

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Dave Lindsay's 5,724 posts GB flag
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