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

first published this on - UK Free TV
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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.

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 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, 30 E4 +1, 35 ITV1 +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 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

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
Wednesday, 8 January 2014
Dave Lindsay
sentiment_very_satisfiedPlatinum

3:28 PM

Sean: I'm not an installer, but your first sentence aligns with my thoughts - HP is merely for legacy purposes.

The point is that neither Ofcom nor Digital UK bothered to counteract this. And having done so, Ofcom didn't mandate COM7, COM8 and the new local multiplex to use mixed polarity.

In effect, Rowridge HP and Rowridge VP are two different transmitting stations. The operators of these new multiplexes don't consider it worthwhile to broadcast from Rowridge VP (assuming clearance would have been granted).

In all this there is the stink of how things are done these days - we don't think as far as our nose end and passing the buck is so easy because "the system" is so fragmented, as is apparent in the statement from Ofcom in response to your point.


All channels are in Group A, so as new aerial isn't generally necessary. The exception is if it has some defect or perhaps it's old and one wishes to kill two birds with one stone and replace it at the same time as switching to VP.

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Dave Lindsay's 5,724 posts GB
J
jamie stevens
sentiment_satisfiedSilver

4:22 PM
Southampton

SEAN,

VP is the way forward.

COM7 HP doesn't carry many channels and they are at very low signal levels.

To receive these in some locations you will need to have a high gain aerial and possibly an amplifier which will then also mean you will need to 4G filter your system.

Installs are now being fitted VP with much better wind loading aerials and shorter masts.

I have been to high gain aerial installs damaged in storms which had amplifiers and 20 foot masts, I have been able to change them to a smaller aerial with a 6 foot mast and no amplifier.

At this stage I would imagine the sacrifice of these few channels is worth it, hopefully in time the new channels will be on VP and eventually they ditch HP.

regards

link to this comment
jamie stevens's 207 posts GB
S
Sean
8:05 PM

Well I haven't had a reply from Arqiva yet - there's a surprise. I'll nag them until they respond. I'm wondering if this nonsense might be of interest to local news. "New channels are for old aerials only" or something.

I previously had a monster aerial that looked like a spaceship. Now it's a nice neat log periodic, plus VP means the local obese pigeons can't sit on it and loosen it.

I still want BBC4hd though, plus hopefully more to come.

link to this comment
Sean's 12 posts GB
Thursday, 9 January 2014
B
Bob Eades
10:31 AM

I've been waiting for info on when the additional HD channels will start, but have got this right they will only be on HP not VP as well, as on moving I needed to change to a VP aerial to get a stable signal from Comm's 4, 5, 6.

If I need to go back to HP will need amp's and filters because of the signal conditions an proximity to 3 phone mast?

As a TV engineer since the mid seventies I feel that someone in authority needs to be pointed out to them that messing about like this very confusing and expensive and should be clearer in the advertising implying more channels on the way so make certain you get an HD TV when you up grade, not much use if every time they change transmissions you need to change your aerial better off inventing an auto-rotating aerial!

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Bob Eades's 2 posts GB
Friday, 10 January 2014
S
Sean
8:18 AM

Still no reply from enquiries@arqiva.com, three days later.

I've forwarded my previous email to their Head of Public Relations. We'll see if they'll consider replying to a mere licence fee-paying member of the public.

link to this comment
Sean's 12 posts GB
Saturday, 11 January 2014
N
Nicholas Willmott
sentiment_satisfiedBronze

10:04 AM

Exactly when in January 2014 are COM7 and COM8 due to start broadcasting from Rowridge?

link to this comment
Nicholas Willmott's 80 posts GB
Tuesday, 14 January 2014
S
Sean
8:58 PM

Here is the response I received from Arqiva. I don't think they'll mind me publishing it here - there's nothing private in it...

"Thank you for your email about the new HD services, specifically concerning their absence from the VP antenna at Rowridge. As Head of PR Im not the normal recipient of these enquiries but have spoken to various teams in order to send you the following information.

Arqiva Services Limited was awarded the licence last year for the Television Multiplex Service utilising channels within the 600 MHz band in which the new HD services are carried. The channels licensed for the new HD services are limited to Channels 31, 32, 33, 34, 35 and 37 which is best received on a Group A or a wide band rooftop aerial. Given the limited number of channels available, many of the sites from which the new HD services will broadcast will unfortunately utilise frequency channels outside of the traditional aerial group for the area. Rowridge is still a Group A area and so many viewers should be able to receive the new HD services using a Group A or wide band HP aerial. Where an upgrade has been made to a VP aerial as a result of the installers choice , then regrettably it is unlikely that the new HD services will be received.

The infrastructure for the new HD services has not been funded by Government nor by the TV Licence Fee. The full cost of rolling out the new services has been borne by Arqiva Services Limited as a private company. Arqiva has opted to roll out the new services to the maximum number of sites permissible by Ofcom under the licence, and has exceeded the minimum coverage requirements stipulated by Ofcom in the licence of 50% national coverage, rolling the network out to circa 70% without any governmental assistance. This does include Rowridge, but only from the HP antenna. Both the VP and HP antennas at Rowridge still do give access to a broad range of Freeview services, including simulcast SD versions of all those channels currently being carried in the HD genre, as well as the HD services carried on 101 -104.

With regard to the Rowridge VP broadcasts, the cost of modifying the on-site infrastructure to radiate the new HD services in VP was considered to be excessive given the small number of homes that could be served by it, and unfortunately viewers who only access the Rowridge VP antenna will fall into the 30% of homes nationally which will not receive these new HD services.

We trust that this provides the information you are seeking. "

So there we go - we have our answer. The new channels are only for old aerials.

I can see Arqiva's point from their business point of view. But following this logic, nobody would have ever made a DVD player as DVDs didn't exist at the time. Nobody would have invented a television as there were no programmes to watch on it. Sometimes there has to be a strategy, and you need eggs to make chickens.

We now have a choice of all channels with poor signal quality or FreeviewLiteHD with decent signal quality.

I'm going to think about whether this can be taken further. All thoughts welcome.

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Sean's 12 posts GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

9:20 PM

Sean: I think you've done well to get a reply from Arqiva, and such a comprehensive one at that. Of course, it isn't the answer you wanted but it is an answer nonetheless.

COM7, according to Digital UK Coverage Checker, is at 23.7kW whereas COM4-6 are 50kW. Is it not possible to use horizontal polarisation, perhaps with some degree of amplification?

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Dave Lindsay's 5,724 posts GB
Briantist
sentiment_very_satisfiedOwner

10:23 PM

Sean: Thanks for posting that. I have modified the UK Free TV database to represent this information.

link to this comment
Briantist's 38,844 posts GB
Wednesday, 15 January 2014
Alan Rowe
7:45 AM
Southampton

For some people, they might end up with 2 aerials and a combiner. Most will have to be Hp for the new services.
Maybe one of the leading brands could design a Vp/Hp LTE combo, wouldn't be that hard.


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Alan Rowe's 6 posts GB
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