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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
Sunday, 11 March 2012
J
jb38
sentiment_very_satisfiedPlatinum

11:47 PM

Colin T: Regarding the 8K issue on that model of TV which by the way it its original fashion dates back to 2004, and although its tuner might well have been updated and factory fitted with an 8K capable chip, something which the Toshiba customer services is aware of hence the statement made by them, but whether or not this technical update had actually been activated when being set up in the factory is another matter altogether, because as you have obviously noticed yourself there are just too many people reporting this type of problem with that model for the fault to be one caused by the viewers installation.

Still, one never knows what will happen when you carry out the full factory reset, as that might trigger things into action.

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jb38's 7,179 posts GB
Monday, 12 March 2012
C
Colin T
3:47 PM
Winchester

Curiouser and curiouser! I swapped the Tosh 17WLT46B for a Wharfedale LCD1710AF, which appears to be a rebadged version of the same chassis, with identical on-screen graphics and all the controls in the same relative position. It tuned in a treat, and Mother-in-law is now sorted. I brought the Tosh home where we watch Hannington. On retuning, it failed to find channels 1-8, and only started on channel 9, though the Wharfedale that was there before was fine. I fear Tosh is destined for the tip!

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Colin T's 5 posts GB
J
Jessica
5:27 PM

Hi there,

I have today noticed that I have many of the BBC channels on my freeview recorder box no longer work (BBC1, BBC2, BBC News, CBBC...). The box is a Wharfedale 160DTRHDMI. It 'finds' the channels and the Programme Guide keeps it to date and accurate, however the channels stay blank with no sound or picture.

I have turned it off and on at the wall, done a first-tiem installation and even tried to search for them manually on Mux C24 as stated above but with no luck.

I have a small TV in my bedroom in in-built Freeview and that is working fine, so I guess my aerial must be getting a good enough signal.

Can anybody help me? x

link to this comment
Jessica's 1 post GB
J
jb38
sentiment_very_satisfiedPlatinum

9:24 PM

Jessica: The problem you are having is most likely being caused by the Vestel T825 chassis used in the Wharfedale not having the latest software installed thereby not being able to respond to the new transmission modes being used when transmitters switch to high powered operation.

The real problem with this situation being that its no longer broadcast as an "over air" download because of these PVRs being much older models, with the only other way of getting the software being a somewhat tedious (and risky) exercise of downloading it into a PC and then the transferring it into the PVR via a cable between both, anything glitching during the process rendering the PVR totally useless.

Sometimes though and even without a software update, if when on BBC2 you flick the channel selector up to ITV then immediately down again to BB2 it sometimes triggers the receiver into operation, but its never really a satisfactory solution in the long term, as any recordings made are frequently found to suffer from skipping and jumping at random.

As a matter of interest, if it is the 2K / 8K issue (as described) that's causing the problem then you will likely find that ITV etc also vanishes from Wednesday.

The point is that you should really provide your location (pref: post code) with these type of problems so that the signal levels expected in your area can be assessed, especially where transmitters as powerful as Rowridge are involved, at least on the BBC that is until Wednesday when ITV etc also
increases its power.

link to this comment
jb38's 7,179 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

9:26 PM

Jessica: The Wednesday I refer to being March 21st and not this coming Wednesday.

link to this comment
jb38's 7,179 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

11:09 PM

Colin T: Well your latest findings could possibly back up what I mentioned about uprated IC's having been fitted but not necessarily activated by the aligners / testers at the end of the production line, this done by a direct connection onto the the appropriate PCB test points.

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jb38's 7,179 posts GB
Tuesday, 13 March 2012
J
Jessica
9:28 AM

Hi jb38,

That doesn't sound great but thanks for your reply. My postcode is SO30.

I've tried flicking up and down to the BBC channels but no luck! x

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Jessica's 1 post GB
C
Colin T
11:45 AM

jb38. Thanks for your interest and knowledgeable comments. It seems to me that this all comes back to the 2k/8k issue, and that perhaps on DSO2 at Rowridge I would have lost Channels 3-8 as well as 1-2 which disappeared at DSO1. This would perhaps explain why I can't get 1-8 on Hannington, which is now fully switched. Does this make sense? Is there any way of downloading new software to upgrade the Toshiba?

link to this comment
Colin T's 5 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

8:48 PM

Colin T: Well if the problem is purely connected to the issue of 8K operation then you shouldn't by rights be able to get anything at all from Hannington, but I have had instances in the past where a device fitted with a so called upgraded tuner behaved erratically by intermittently failing some 8k channels but never on 2k ones for no apparent reason, this giving rise to the suspicion that the problem was that of a two fold one insomuch still that of the 8K issue but coupled to a possible intermittent fault in the tuners PLL oscillator circuit, tuners never really being repaired because of their critical nature and as such are just replaced as a complete unit, tuner replacement is only a 15 / 20 minute job anyway.

However it this particular case it was strongly suspected by more than myself that the problem had most likely been caused by a bug in the newly developed software used at the time by the manufacturer and something very few will ever admit to, at least openly anyway!

With regards to your software download query, I really don't think there is anything you can do about this as Toshiba would be almost certain to say that it doesn't require it, and although these devices are well out of any period of warranty its almost guaranteed that if they weren't, and Toshiba had one returned for that problem, then the first thing they would do is to either replace the tuner or even the complete set, as a number of these imported devices are always held by service depots purely for the purpose of being used as a replacement, this done rather than stocking a multitude of spares.

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jb38's 7,179 posts GB
Wednesday, 14 March 2012
P
Phil K
7:52 AM

We live at Holton Heath and have previously had decent reception from Rowridge. Since switchover, the new mux on C24 has been okay, but since yesterday afternoon we have had intermittent poor/no reception on this mux (others are fine). Is this something to do with the switchover process?

The signal power is at a constant 76%, but the quality is single digit - yet yesterday evening it was much higher.

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Phil K's 9 posts GB
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Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

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