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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

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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

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
 BBC Three, 1 BBC One South, 2 BBC Two England, 9 BBC Four, 120 CBBC, 121 CBeebies, 130 BBC News, 131 BBC Parliament, 601 BBC Red Button 1, plus 13 others

PSB2
D3+4
 V max
 H max
C27 (522.0MHz)
320mDTG-3200,000W
200,000W
Channel icons
3 ITV (Meridian (South Coast micro region)), 4 Channel 4 South ads, 5 Channel 5, 6 ITV 2, 13 Channel 4 +1 South ads, 14 More4, 15 Film4, 24 ITV4, 28 E4, 33 ITV +1 (Meridian south coast),

PSB3
BBCB
 V max
 H max
C21+ (474.2MHz)
320mDTG-6200,000W
200,000W
Channel icons
 BBC Three HD, 45 Film4 +1, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV HD (ITV Meridian Southampton), 104 Channel 4 HD South ads, 105 Channel 5 HD, 123 CBBC HD, 602 BBC Red Button 2, 603 BBC Red Button 3, plus 1 others

COM4
SDN
 V max
 H -6dB
C25 (506.0MHz)
299mDTG-8200,000W
50,000W
Channel icons
10 ITV3, 20 Drama, 21 5USA, 26 ITV Be, 27 ITV 2 +1, 30 5STAR, 34 ITV3 +1, 37 Quest, 44 Channel 5 +1, 55 Channel 5 +24, 58 ITV Be +1, 61 True Entertainment, 62 ITV4 +1, 66 CBS Reality, 70 Horror Channel, 122 CITV, 242 Vintage TV, plus 23 others

COM5
ArqA
 V max
 H -6dB
C22+ (482.2MHz)
302mDTG-8200,000W
50,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Movie Mix, 41 Food Network, 46 Challenge, 48 Movies4Men, 68 truTV, 69 Tru TV +1, 72 YourTV, 126 Tiny Pop, 132 Sky News, plus 18 others

COM6
ArqB
 V max
 H -6dB
C28 (530.0MHz)
302mDTG-8200,000W
50,000W
Channel icons
 Al Jazeera English,  BT Sport 1 (not free), 18 4Music, 19 Yesterday, 25 Home, 31 Spike, 38 Quest +1, 42 Travel Channel, 47 4seven, 59 BT Showcase (not free), 64 CBS Action, 73 YourTV +1, 84 Dave ja vu, plus 21 others

LSO
 H -13dB
C29 (538.0MHz)299mDTG-1210,000W
Channel icons
from 22nd December 2014: 7 That's Solent, plus 1 others

com7
 H -9.1dB
C31 (554.0MHz)320mDTG-624,400W
Channel icons
 Buz Muzik, 57 VIVA, 63 Community Channel, 67 CBS Reality +1, 71 CBS Drama, 78 5USA +1, 81 Talking Pictures TV, 106 BBC Four HD, 107 BBC News HD, 108 Al Jazeera Eng HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD, 124 CBeebies HD, 134 Al Jazeera Arabic, plus 4 others

com8
 H -9dB
C37 (602.0MHz)320mDTG-625,000W
Channel icons
plus 2 others



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
to BBC South region - 39 masts.
regional news image
ITV Meridian News 0.9m homes 3.6%
from Whiteley PO15 7AD, 24km north-northeast
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?

years1950s~851984-971997-981998-20122012-132013-182013-182019-
aerial groupVHFA KA KA KA KA KA KA K
C3BBCtv
C21C4C4C4+BBCB+BBCB+BBCBBBCB
C22+ArqA+ArqA+ArqASDN
C24BBC2BBC2BBC2BBCABBCABBCAD3+4
C25SDNSDNSDNArqA
C27ITVITVITVD3+4D3+4D3+4BBCA
C28+BArqBArqBArqBArqB
C29LSO
C30-A
600C31BBC1BBC1BBC1com7
C32+2
C33+D
C341
C37+Ccom8

orange background for multiplexes names more
green background for transmission frequencies
lilac background for power levels in watts
800MHz band: 4G mobile started in 2013
700MHz band: possible 4G in 2019 more
600MHz band: new or moved digital TV services more
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W
Italics for analogue, digital switchover was Wednesdays 7th March and 21st March 2012.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-4 500kW
COM4||, COM5||, COM6||, PSB1||, PSB1≡, PSB2||, PSB2≡, PSB3||, PSB3≡(-4dB) 200kW
COM4≡, COM5≡, COM6≡(-10dB) 50kW
com8≡(-13dB) 25kW
com7≡(-13.1dB) 24.4kW
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*(-14dB) 20kW
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
Wednesday, 11 May 2016
J
jb38
6:52 AM

TIMOTHY GAUNTLETT: Re The two way splitter referred to in my reply. Rather than using the powered version its best to initially try one of those simple low cost non powered "Y" types for the following reason.

Daisy chaining the aerial through "some" devices of the older variety can actually increase the signal level being fed into the TV, and if your DVD recorder comes into this category? the missing PSB channels problem might possibly be caused by the TV's tuner being overloaded for this very reason, as channels do not normally disappear by passing the aerial through DVD recorders etc prior being connected into a TV.

I would be interested to know the model number of the device in question, as some types had a switchable signal boosting facility.


link to this
jb38's 7,006 posts Platinum Platinum GB
Thursday, 12 May 2016
J
jb38
9:39 PM

TIMOTHY GAUNTLETT: In addition to that said in my previous reply, and although unlikely to apply, but if your DVD recorder / player is indeed one of the older variety? then it might be fitted with an RF modulator similar to that found in older Freeview boxes / VCR's etc, if it does? then make sure that the RF modulators output channel is set above C60 to avoid interference to Freeview reception, as C21 would wipe out reception of Rowridge's PSB3 / BBC B channels, i.e: 101 - 105.


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jb38's 7,006 posts Platinum Platinum GB
Sunday, 15 May 2016
J
James Watt
6:34 AM

If I recall correctly, RF modulators were mostly centred on CH36.

link to this
James Watt's 1 post GB
MikeP
4:02 PM Trowbridge

James Watt:

That was correct several years ago but for the last 15 years or more many equipments have had adjustable modultaors that could be set between Ch21-68. The objective of such range was for the instances where the previously 'unused' channels (35-38) became occupied by a broadcasting service. That then meant that if the modulator could not be adjusted away from that range (as most older ones couldn't) then the user suffered interference from the modulator signal, either co-channel, adjacent channel or adjacent+2 - all of which are problematic for viewers.

Such adjacency is less of a problem with digitally encoded UHF TV transmissions as they carry error correction capabilities that were not suitable for analogue encoded UHF TV transmissions.



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MikeP's 870 posts Gold Gold GB
MikeP's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
J
jb38
4:26 PM

James Watt: Yes, as the RF modulators fitted into analogue VCR recorders of the real yesteryear variety were pre-set from the factory around C36, the only adjustment possible (although only in the 30's) being of a sweep nature via a screwdriver inserted into a small hole in the rear panel of the device. However in later devices where the modulators RF output channel was set up via the menu, C21 was (in my experience) the pre-set starting channel, the RF output channel being adjustable between 21 - 68.


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jb38's 7,006 posts Platinum Platinum GB
Friday, 27 May 2016
T
TIMOTHY GAUNTLETT
11:26 PM

jb38: Hi there, PROBLEM SOLVED! My DVD recorder has the facility to either adjust the RF output or if connected to the TV thru scart turn off altogether which was the option I chose and the result was I am now receiving all the HD channels I was missing. Thank you very much for your excellent help, your speedy response and advice. I have learned a great deal from our exchanges and am very grateful.
Regards Tim Gauntlett


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TIMOTHY GAUNTLETT's 4 posts GB
Saturday, 28 May 2016
J
jb38
12:10 AM

TIMOTHY GAUNTLETT: Excellent news!, really pleased to see that you have succeeded in rectifying the problem, because as an engineer (albeit RF) of many years standing, I am always interested in the outcome of problems which could be said to come into the category of "odd".

Many thanks for the kind comments.

Regards / jb.

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jb38's 7,006 posts Platinum Platinum GB
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