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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, 1 November 2015
J
jb38
sentiment_very_satisfiedPlatinum

8:57 AM

Chris : If by any chance your loft mounted aerial is being used in conjunction with any form of booster / distribution amplifier, then try bypassing it, as the "only" Rowridge channels which "might" possibly be affected under freak reception conditions are COM4 Mux 25 / COM5 Mux22 / COM6 Mux28, and no others, as Crystal Palace's Mux 23 or 26 will have no effect whatsoever on Rowridges Mux 24 or 27, that is, "if" that's what is suspected?

However, should a booster not come into the equation, then have a check at any jumper leads used to couple your TV into the aerial.

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jb38's 7,179 posts GB
Monday, 16 November 2015
S
Shane Wells
8:55 AM

Hi, as a landlord of a few sites in the middle of Bournemouth (Old Christchurch Road area), we have taken about 10 complaints of no TV signal from 4 or 5 different addresses now.

Something in the last week has affected the signal, does anybody have any idea what is causing this to happen?

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Shane Wells's 1 post GB
Transmitter engineering
sentiment_very_satisfiedOwner

10:32 AM

ROWRIDGE transmitter - Possible service interruptions [DUK]

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Transmitter engineering's 138,029 posts xx
E
Ed Hopper
11:57 AM

Hi, Can someone please give some advice to an oldie.I am in Winchester and receive my signal from Rowridge via a rooftop horizontally polarised aerial.I am quite happy with the reception that I get.I've been reading some of the transmission figures on this site for Rowridge and it would seem that the strongest signals are vertically polarised so my queries are as follows-Would it pay me to change my aerial to vertical?,If I did this would there be a noticeable or significant change in reception?,and finally why do I not see more vertical aerials around in my area.Is it the cost of doing so or that the difference in reception is imperceptible?

link to this comment
Ed Hopper's 5 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

5:13 PM

Ed Hopper: Whether to change the polarity of your aerial or not really depends on what you are presently able to view, as reception in the Winchester area is indicated as being a bit patchy dependant on location.

Another factor that has to be taken into account being, are you able to view HD channels on your TV or box? if you are, then can you see 81 (Talking Pictures) and 112 (QVC Beauty) listed in programme guide? both being transmitted on Rowridges newer horizontal (only) COM7 & COM8 HD Muxes at much less power (approx 25Kw) than the other main Multiplexes on horizontal (50Kw), as does the LSO (local) Mux (Thats Solent 8) on an even lower power of only 10Kw.

The point about all this being, if you are presently able to view the aforementioned? changing the polarity of your aerial is likely to result in the signal level received from these Muxes taking a dive to the extent that they drop out of the box, whereas the signal level from the other main non PSB Muxes (COM4/5/6) will rise.

If as you say, you are quite happy with your reception, then you wont actually gain anything by making changes.



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jb38's 7,179 posts GB
Tuesday, 17 November 2015
E
Ed Hopper
1:08 PM

jb38:Thanks for the info.At the risk of sounding like something from the dark ages my viewing is standard definition on a 32 inch sony d3000 which gives me a very good picture. I have recently purchased a new model which has an HD tuner and a 40 inch screen but have not set it up yet so it will be interesting to see if the channels that you mentioned are there ie 81 and112.As regards channel 8 thats solent I can get this at the moment very well.Once again thanks for the clarification, its given me food for thought.

link to this comment
Ed Hopper's 5 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

8:33 PM

Ed Hopper: Thanks for the info. Maybe you could give an update regarding the issue of guide numbers 81 &112 once you have installed your new purchase. Although being able to receive (8) Thats Solent from Rowridges low powered LSO local Mux, indicates that you reside in a favourable location for reception from said station.

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jb38's 7,179 posts GB
Sunday, 13 December 2015
T
Tony Dix
2:25 PM
Bridport

I live near Bridport Dorset at DT6 6AH. I am trying to improve my reception and get the full range of freeview transmissions. When we moved to the louse we were getting just watchable signals on PBS1,2,3 but would get pixellation in rain. I investigated and found we were getting PBS1 on ch24, PBS2 on ch27 , PBS3 on ch21. I threfore assumed that were getting service from Rowridge but were not picking up the other commercial muxes because of distance.
I bought a new multi element A band antenne for the poorest signal areas and have installed it with vertical polarisation and with a masthead amplifier on a pole mounted on the chimney. I have carefully aligned it and now get very high quality (10/10) and very high signal stregth (10/10) on the same 3 PBS muxes but still none of the commercial mux's.
I note that Rowridge broadcasts at 200.000 watts on the vertical polarisation on the com muxes as well so my question is "Why am I not seeing them if the pbs muxes are so strong"
I am really puzzled by htis and would welcome any advice.
Thanks

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Tony Dix's 7 posts GB
G
Graham
2:39 PM

i am having problems with all channels apart from BBC

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Graham's 1 post GB
J
jb38
sentiment_very_satisfiedPlatinum

11:15 PM

Tony Dix: Basically because the output from Rowridges three COM channels is restricted in the West/ North Westerly direction to avoid causing interference to Stockland Hill, this stations COM's transmitting on the same frequency as Rowridge, albeit being slightly offset from the centre frequency to help avoid being affected by the latter.

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jb38's 7,179 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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If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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