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.

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.

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), 71 That’s 60s,
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 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others
COM5 ArqA	H -6dB V -6dB	C22+ (482.2MHz)	302m	DTG-8	50,000W 50,000W
	11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others
COM6 ArqB	H -6dB V -6dB	C28 (530.0MHz)	302m	DTG-8	50,000W 50,000W
	12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 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?

R

R Murchie

_{sentiment_satisfied}Bronze

3:17 PM
Eastleigh

StevensOnln1: So who does make decisions on changing frequencies, and broadcast with so little publicity and reference to fee-paying customers? I've had a response from , nothing yet from Arqiva or UK. After some research I've got a group T on order to extend up to channel 60.

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R Murchie's 24 posts GB flag

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

S

StevensOnln1

_{sentiment_very_satisfied}Platinum

5:10 PM

R Murchie: allocation and levels are co-ordinated by . However it is down to the owner of each which are carried on their capacity; i.e. commercial broadcasters enter into contracts with either SDN (COM4) or Arqiva (COM5/6/7/8) to lease capacity on one of these multiplexes for each of their . The BBC have leased space on COM7 since it launched in 2014 in order to make BBC Four HD, CBeebies HD and BBC News HD available on Freeview. Now that COM7 and COM8 are about to become single frequency networks (i.e. the same frequencies will be used on each that carries these muxes) the guard interval on COM7 & COM8 is being changed which will reduce the available capacity on each of these muxes. As this will result in COM7 no longer having enough capacity for all of its current channels, the BBC have agreed to move BBC Four HD and CBeebies HD to COM8 where there is spare capacity available. COM8 is broadcast at a lower power level than COM7 on some transmitters, on others both are broadcast at the same power level and there are a couple of transmitters where COM8 is broadcast at a higher power level than COM7.

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StevensOnln1's 3,669 posts GB flag

J

J Whitney
12:32 AM

Moving any to channel 55 seems nonsensical for . It has always been a group A and so surely the vast majority of people will have a group A . So it seems a large number of people will have to pay for a new group T aerial to be fitted if they wish to continue receiving the Com7 and Com8 . Rich pickings for aerial fitters and since my aerial is at the top of a 20 ft pole not simple for me and particularly annoying since I frequently watch Ch4+1 HD and 4Seven HD as well as BBC4 HD (but not anymore). What is the point of moving Com7 and Com8 to a single on channel 55? This seems so unnecessary and costly. Just leave Com 7 where it is and keep its capacity unchanged!!

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J Whitney's 2 posts GB flag

S

StevensOnln1

_{sentiment_very_satisfied}Platinum

10:59 AM

J Whitney: It is necessary to move COM7 and COM8 to single networks on UKF 55 and 56 because channels 31-37 are needed to relocate other multiplexes which are being cleared from the band. There is no option for /Arqiva to leave them unchanged on any as this would cause massive to relocated PSB and COM muxes on other transmitters.

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StevensOnln1's 3,669 posts GB flag

R

R Murchie

_{sentiment_satisfied}Bronze

8:27 PM
Eastleigh

A new aerial has sorted the loss of stations from , BBC Four HD etc all back on screen, so I the March 2018 changes will go smoothly. However, I wish some simple advice from BBC, , or along these lines had been available to this unnecessary confusion.

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R Murchie's 24 posts GB flag

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

D

Douglas Cheney
9:10 AM

would a 30 year old group "A" contract 37 from the I.O.W

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Douglas Cheney's 2 posts GB flag

R

R Murchie

_{sentiment_satisfied}Bronze

10:41 PM

Mine didn't, so I replaced it with a wide-band group T which brought back. I it will also receive and which are due to be used for transmitting COM7 and COM8 from on 2 May.

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R Murchie's 24 posts GB flag

MikeP

_{sentiment_very_satisfied}Platinum

12:02 PM

Cheney:

You would do best to have at least a Group T , but better would be a log-periodic aerial that will receiove all current and expected future transmissions from .

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MikeP's 3,056 posts GB flag

R

RichardH
4:46 PM

Cheney Probably would but ch. 37 was just outside of group A 30 years ago so you would need a reasonable . In addition, Com 8 (which is the on ch. 37) is broadcast at a lower power level than the other multiplexes (except the local' multiplex) and with horizontal polarisation only.

All this is academic though as Com 8 is being moved to ch. 56 on 21 March and that is way beyond group A!

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RichardH's 7 posts GB flag

T

Tim Wardlaw
1:12 PM

can you give any details of the upcoming retunes on March 21st and May 2nd, which will change and what will be the new frequencies.
Also will this be a final retune or are we going to face further changes again in the coming future.

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Tim Wardlaw's 8 posts US flag

Page 127

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