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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.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Rowridge (Isle Of Wight, England) transmitter.

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

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 V max
 H max
C24 (498.0MHz)
320mDTG-3200,000W
200,000W
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

PSB2
D3+4
 V max
 H max
C27 (522.0MHz)
320mDTG-3200,000W
200,000W
Channel icons
3 ITV (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, 30 E4 +1, 35 ITV +1 (Meridian south coast),

PSB3
BBCB
 V max
 H max
C21+ (474.2MHz)
320mDTG-6200,000W
200,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV 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

COM4
SDN
 H -6dB
 V -6dB
C25 (506.0MHz)
299mDTG-850,000W
50,000W
Channel icons
12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 POP MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

COM5
ArqA
 H -6dB
 V -6dB
C22+ (482.2MHz)
302mDTG-850,000W
50,000W
Channel icons
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, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 8 others

COM6
ArqB
 H -6dB
 V -6dB
C28 (530.0MHz)
302mDTG-850,000W
50,000W
Channel icons
 FreeSports, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Aljazeera English, plus 19 others

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

DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
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
VHFA K TA K TA K TA K TW T
C3BBCtvwaves
C21C4wavesC4wavesC4waves+BBCBBBCB
C22+ArqAArqA
C24BBC2wavesBBC2wavesBBC2wavesBBCABBCA
C25SDNSDN
C27ITVwavesITVwavesITVwavesD3+4D3+4
C28ArqBArqB
C29LSO
C31BBC1wavesBBC1wavesBBC1wavescom7
C37com8
C55tv_offcom7tv_off
C56tv_offCOM8tv_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

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.

Comments
Thursday, 19 December 2013
T
Teddy
9:12 AM

I live in Christchurch Dorset and I, since the high winds last night have had no tv signal. My aerial is fine, is anyone aware of an issue?

link to this comment
Teddy's 1 post GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

12:51 PM

Teddy: If you are using the Rowridge transmitter then no there are no issues. If there had they would have meant people posting about it, but you're the first. I suggest that the issue might lie with your own installation.

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Dave Lindsay's 5,724 posts GB
Saturday, 28 December 2013
J
John Procter
3:15 PM
Poole

Suddenly on Christmas Eve about 5pm lost pick tv and a few others are unwatchable before that everything was good. Rest of the channels and hd are good so don't think it is my aerial pointing at rowridge post code bh12 2en .

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John Procter's 1 post GB
Tuesday, 7 January 2014
S
Sean
10:44 AM

I am the individual that submitted a response to the Ofcom consultation, including the following:

"I see from your Annex 11 document that in Table 1 you specifically list Rowridge HP (Horizontally Polarised), but no mention is made of Rowridge VP (Vertically Polarised). Since DSO, I have spent money on having my aerial changed for a VP aerial to ensure I get the best possible reception. Is it the intention that, in order to receive the new muxes, I would then need to spend more money on having my aerial turned back to a horizontal position, and lose the signal strength on other muxes that I gained when I switched to VP? If I was to switch to HP then at what point should I switch back to VP, and who will pay for all this switching? It's not a trivial task to go on the roof and rotate a chimney-mounted aerial."

It was quite funny to see my nag among the submissions from multi-million pound broadcasters! Anyway, their response included the following:

"The choice of whether to use vertical or horizontal polarisation or both will be for the interim multiplex licensee to determine."

So they threw the hot potato at Arqiva (the licensee). I haven't seen any info directly from Arqiva to say either yes or no to VP.

The DigitalUK site says that the two new muxes are HP only. However, I notice that this site shows the new muxes as being for both HP and VP. Do you have some information from Arqiva to confirm this as being the case? I hope so...

link to this comment
Sean's 12 posts GB
Briantist
sentiment_very_satisfiedOwner

11:57 AM

Sean: I'm sure that I transcribed the information correctly from the licences. However I will check again when I get back to my computer.

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Briantist's 38,844 posts GB
S
Sean
3:00 PM

Thanks - would be grateful for any info you have. I won't have a strop if you've made a mistake - Rowridge is now the weirdest transmitter in the UK, as it's effectively two in one. I've also emailed Arqiva for their answer on the subject.

link to this comment
Sean's 12 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

4:00 PM

Sean: I think this is typical of the way things are done these days.

The days of all transmitters carrying all the same channels are long gone, this equity having being sacrificed in order to fit more services in.

Only the three PSB multiplexes have an obligation to provide a particular level of coverage.

Now step forward the plan for COM7 and COM8 from Rowridge. The case for VP signals is probably more one of a "business case" which takes account of the number of viewers that would be added if they were available VP (in addition to HP).

I don't live in the area so have no idea what proportion of aerials are now vertical. However, I hazard a guess that those which are close enough to receive the lower powered COM7 and COM8 will generally be horizontally polarised.

In locations where COM7 and COM8 are to be poorer it is more likely that more aerials will be VP. It is these people who will either have to forfeit the new HD services or else switch back to HP.

The point is that, in much the same vein as the broadcasters have to set a "business case" for an expense it is effectively the same for viewers. That is it is their "choice", in much the same way as some aerials had to be replaced in order to receive COM4-6.

This type of passing expenses on to other parties for decisions another makes it the way these days.

link to this comment
Dave Lindsay's 5,724 posts GB
S
Sean
8:56 PM

I switched to VP because the official predictor said I'd get a lower signal level when the channels were moved around. The VP prediction was 100%. Today, the same predictor says 100% for both.

I appreciate that a broadcaster will chase viewers. But a bit more coordination is needed when that broadcaster is effectively telling people what to spend their money on.

It looks like Arqiva may be shooting down VP shortly after it took off. Perhaps their predictions of HP interference from France were wrong so they've realised it was a solution to a problem that doesn't actually exist. Of course they won't admit this though.

link to this comment
Sean's 12 posts GB
Wednesday, 8 January 2014
Dave Lindsay
sentiment_very_satisfiedPlatinum

2:06 PM

Sean: The VP is required, in addition to help with "rejection" of any inference from France for those receiving the Commercial (COM) channels who may be subjected to co-channel interference from Stockland Hill and Crystal Palace, this being why the power of the COMs is lower horizontally.

link to this comment
Dave Lindsay's 5,724 posts GB
S
Sean
3:02 PM

I understand. Whether rightly or wrongly, I assumed that VP was the future for Rowridge, and HP was just for backwards compatibility. I needed a new aerial so it seemed a no-brainer to use VP for the higher power muxes.

I would expect the trouble to start when people realise they can't get these new channels, despite having paid for a shiny new aerial recently. I've seen more VP aerials appearing over time, so it seems I'm not alone in thinking that these were now the preferred method.

Has there ever been any official guidance on what the VP is for? What should installers fit, or are they supposed to fit HP initially then change to VP if there's a problem? It seems bloody daft to me.

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Sean's 12 posts GB
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