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

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

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50.676,-1.369 or 50°40'35"N 1°22'7"W

PO30 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

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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	V max H max	C24 (498.0MHz)	320m	DTG-	200,000W 200,000W
	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
PSB2 D3+4	V max H max	C27 (522.0MHz)	320m	DTG-	200,000W 200,000W
	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),
PSB3 BBCB	V max H max	C21+ (474.2MHz)	320m	DTG-	200,000W 200,000W
	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 66 TBN UK,
COM4 SDN	H -6dB V -6dB	C25 (506.0MHz)	299m	DTG-8	50,000W 50,000W
	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
COM5 ArqA	H -6dB V -6dB	C22+ (482.2MHz)	302m	DTG-8	50,000W 50,000W
	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
COM6 ArqB	H -6dB V -6dB	C28 (530.0MHz)	302m	DTG-8	50,000W 50,000W
	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
LSO	H -13dB	C37 (602.0MHz)	299m	DTG-12	10,000W
	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?

BBC South Today 1.3m homes 4.9%
from Southampton SO14 7PU, 26km north (354°)
to BBC South region - 39 masts.

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 Docks

Transposer

2 km N city centre

50 homes Estimate. Group of houses'

How will the Rowridge (Isle Of Wight, England) transmission frequencies change over time?

	1950s-80s	1984-97	1997-98	1998-2012	2012-13	2 May 2018
	VHF	A K T	A K T	A K T	A K T	W T
C3	BBCtv_waves
C21		C4_waves	C4_waves	C4_waves	+BBCB	BBCB
C22					+ArqA	ArqA
C24		BBC2_waves	BBC2_waves	BBC2_waves	BBCA	BBCA
C25					SDN	SDN
C27		ITV_waves	ITV_waves	ITV_waves	D3+4	D3+4
C28					ArqB	ArqB
C29						LSO
C31		BBC1_waves	BBC1_waves	BBC1_waves		com7
C37						com8
C55_{tv_off}						com7_{tv_off}
C56_{tv_off}						COM8_{tv_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

Local transmitter maps

Rowridge Freeview Rowridge DAB Rowridge TV region BBC South Meridian (South Coast micro region)

Which companies have run the Channel 3 services in the Rowridge transmitter area

Aug 1958-Jan 1992	Southern Television
Jan 1982-Dec 1992	Television South (TVS)
Jan 1993-Feb 2004	Meridian
Feb 2004-Dec 2014	ITV plc

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV 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.

Is the transmitter output the same in all directions?

Transmitter engineering

_{sentiment_very_satisfied}Owner

9:09 AM

- Over the next week Rowridge main transmitter: TV () Liable to interruption, Radio () working normally, Radio (digital) working normally. [DUK]

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Transmitter engineering's 146,549 posts xx flag

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Gaye GOLDNEY
4:24 PM

For the last few days, the volume on all three of my radios keeps dropping for a few seconds and then coming back. All three radios are of excellent ( Bose, Roberts and JVC) so I am wondering if it is to do with the signal.

Is it possible, and if so, is it temporary?

Thank you.

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Gaye GOLDNEY's 1 post GB flag

G

Ginger
9:48 PM
Brighton

Are the new HD on air yet?

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Ginger's 2 posts GB flag

Ginger's: G's Freeview map G's terrain plot G's frequency data G's Freeview Detailed Coverage

Dave Lindsay

_{sentiment_very_satisfied}Platinum

9:52 PM

Ginger: No, and when they do come they will be on lower than the other , so I think you'll be pushing your luck to get them. , adjacent to Brighton Racecourse, will not be carrying these channels.

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Dave Lindsay's 5,724 posts GB flag

B

Bill from Fordingbridge
2:22 PM
Fordingbridge

OK, what's been going on. For the past 6-7 weeks (since the first high winds in December) I have had variable, usually terrible, on all muxes, except BBCA on 24. That has been OK for 90% of the time. It has affected all my TVs (4 plus Humax), fed from a horizontal through a MHA. My location is SP6 2HA, where there is no direct line of sight to any .

I began to think it was my rooftop system playing up (areial, , ). I have arranged for the aerial to be realigned to vertical and the cable replaced with copper/copper/copper, but that has yet to be carried out.

Then suddenly, today, I have 60% plus signal strength and 100% on all muxes. I have changed nothing, the weather has not changed, my line of sight has not changed. Could it be the problem has been with the transmitter itself and the work this week has rectified a hitherto unrecognised fault?

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Bill from Fordingbridge's 4 posts GB flag

Bill's: B's Freeview map B's terrain plot B's frequency data B's Freeview Detailed Coverage

B

Bill from Fordingbridge
2:45 PM

Re my recent post.
For some reason this web site keeps showing my as . This is wrong. I am on , Salisbury, though closer, offers no advantage over Rowridge in my location.

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Bill from Fordingbridge's 4 posts GB flag

P

Peter Challis
6:45 PM

It may be sometime before the additional HD from start. I sent UK an email as I had been expecting them to start this month,

There response was "The Com7 HD from the Rowridge has not launched yet. This is due to happen before July, in time for the commonwealth games. I would advise you to regularly check the above link, as the details are updated and a firm date will be added as soon as we are informed."

The link referenced was using their detailed coverage checker at Digital UK - Coverage checker (BN412HT)

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Peter Challis's 13 posts GB flag

B

Bill from Fordingbridge
10:16 AM

Took advantage of yesterday's fine weather spell to realign to vertical polarity and replace to MHA. The cable was the main fault. Cracked in several places with broken braiding in one place, with the cable just hanging on the central conductor. Rain obviously completed the circuit to enable days of good strength and on all muxes!

What mystifies me is why, throughout, the BBC Channel 24 mux remained good signal strength and quality. To quote the aerialsandtv.com web site "RF really is a black art, not a science"!

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Bill from Fordingbridge's 4 posts GB flag

Alan Rowe
7:53 AM
Southampton

If you throw two stones into still water the circular waves spread out and where the two circles meet, there are
points where the waves cancel each other out. When it comes to UHF waves, the two stones represent the and a reflected echo from anything in the line of sight, usually there are, especially in cities, myriads of reflections. So when putting up an , there are dead spots. Moving the mount of an aerial, say 12" in
any direction, can make a vast difference. This is one of the reasons why installers use Crank or Swan Neck poles. That's why because you can't see the waves, unless you have a analyser, it is called a ' black art '
Sometimes I go to jobs and I drop the aerial lower down and there is drastic improvement in the BER reading.

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Alan Rowe's 6 posts GB flag

Alan's: A's Freeview map A's terrain plot A's frequency data A's Freeview Detailed Coverage

R

Richard
6:52 AM
Eastleigh

Just changed on Digitaluk (from January 2014), the is due to get the extra HD on 4th March.

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Richard's 1 post GB flag

Richard's: R's Freeview map R's terrain plot R's frequency data R's Freeview Detailed Coverage

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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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