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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 27/11/2023 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, plus 17 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, 107 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! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 35 others

 H -6dB
 V -6dB
C22+ (482.2MHz)
Channel icons
 Smithsonian Channel, 11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's Christmas, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 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! christmas, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! christmas mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 235 Al Jazeera Eng, plus 20 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.

Thursday, 13 November 2014
David Fox
2:57 PM

MikeB: Thanks Mike. An interesting observation. I immediately wonder why though? I'm aware that there is some current passing through the aerial - but on the whole it is an passive device - so unless it has become damaged in some way [and we *can* still receive BBC mux] why would the aerial be the component at fault ?

Hmm... thinks... current driven out of one or both of the devices [TV/ PVR] ...could one of them be loading the current too much and the signal reception "locked up" , err , read, can't read that signal because the driven current is somehow locking it or blocking it [not technical terms, I'm not a hardware engineer but have a bit of an awareness at that level].

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David Fox's 5 posts EU flag

4:03 PM

David Fox: Your overthinking it....

Rowridge has no reported problems, so its not the transmitter. Nor is it one of your boxes, since they both have the same problem, which is that your missing (at the least) the PSB2 Mux.

Your TV is linked by a thin coax wire up to the aerial. Its subject to extremes of heat, mositure, wind, etc. And of course it degrades, like anything else. Its also possible that it was put in my someone who bodged the job, used the cheapest cable, etc.

It could be a frayed or loose wire, moisture or corrosion. If you've an amp, it could be a failing power supply. In one recent case, it turned out to be a dodgy fly lead.

Whatever it is, it will have nothing to do with the current, etc, but almost certainly everything to do with a simple break somewhere along the chain.

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MikeB's 2,579 posts GB flag
6:29 PM

Vanessa, it sounds as though water is getting into the aerial system somewhere. Possibly the downlead. Could be a number of things, but from your description that sounds most likely. This can affect only certain groups.

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Bob's 3 posts GB flag
Bob's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
10:23 PM

Thanks. I thought that too, but I have two tvs fed from the same downlead. One fine (the cheap one), one not. Unless the internal lead went wrong. But once the bad weather cleared, it all got better. Plus, it was ok in daylight hours, but dropped off after dark. I am on the edge of good reception where I am, admittedly. This time it was my Dad's signal that went, a couple of miles down the road. Mine is ok. . I continue to investigate - it's an intriguing little mystery????

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Vanessa's 2 posts GB flag

11:28 PM

Vanessa: It sound exactly like moisture in the system. Since one tv is fine, the fault is on the other one, which at least means you can narrow the search for the problem.

Could you give us a postcode, because it would help to find out if your on the edge of the signal range. Personally, I think your fine - my parents live in Poole, so I know the area where you live, and its not only about the same distance, but your predicted to get a better signal from the transmitter than they are!

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MikeB's 2,579 posts GB flag
Friday, 14 November 2014
David Fox
10:04 AM

MikeB: Thank Mike - you are absolutely right; after a bit of investigation , it turned out to be the amplifier in the loft that has "failed" in some way - not just the fuse in the plug :-) - I've bypassed it and returned and all is well. To be honest I forgot we'd got an ampliflier - we've only had to use it a couple of times - when we've moved the TV between rooms. anyway, I witter on, problem found.

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David Fox's 5 posts GB flag
Friday, 21 November 2014
Chris Shaw
8:30 PM

I have good redemption from a small loft aerial in my bungalow on all Freeview channels but cannot get BBC4 HD. What kind of aerial do I need to get this channel as well as the others?


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Chris Shaw's 16 posts GB flag
Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage

8:36 PM

Testing testing 12 3

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Briantist's 38,902 posts US flag
Dave Lindsay

8:43 PM

Chris Shaw: To get BBC Four HD your aerial will need to be horizontal rather than vertical. So if you switched to vertical polarisation it will need changing back again as the new HD muxes aren't VP..

Judging by the terrain plot you may have clear line-of-sight at 22.6 miles. A loft aerial may do. It's not that you need a different type of aerial per se but that the transmission power is lower, although at just over 24kW it should be ample to serve you.

Can you not put the aerial outside or try moving it in the loft? See whether any trees might be in the way.

Also, try going to the manual tuning part of your receiver and enter/select UHF channel 31 but don't press the button to scan/add channels immediately. Instead wait and see whether it gives you any indication as to strength and quality.

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Dave Lindsay's 5,724 posts GB flag
Saturday, 22 November 2014
Chris Shaw
1:56 PM

Thanks, Dave Lindsay.

My spell checker turned 'reception' to 'redemption' - I have good reception on all channels but I think I am beyond redemption!

Our current aerial is tiny. About 30cms long with 20 vertical elements of different lengths and no reflector. The signal strength on nearly all channels and certainly the main ones is 8-10 and the signal quality is 10, as shown by the tuner.

Is it possible to get an aerial that does horizontal and vertical at the same time?


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Chris Shaw's 16 posts GB flag
Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
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