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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.

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
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 (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 ITV +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 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 Player, 211 Ketchup TV, 212 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 9 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, 91 Classic Hits, 235 Aljazeera English, plus 18 others

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

com7
 H -9.1dB
C55 (746.0MHz)320mDTG-624,400W
Channel icons


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
Wednesday, 29 December 2021
C
Clive Street
8:06 AM

I'm in PO168UD and on Freeview can't receive channels 7, 49, 51, 60 or 94, which are all on the LOC Mux. Would there be a reason for this? The message displayed is " The receiver is not receiving a signal or the signal is too weak"

link to this comment
Clive Street's 4 posts US
C
Clive Street
8:07 AM
Fareham

I'm in PO16 8UD and on Freeview can't receive channels 7, 49, 51, 60 or 94, which are all on the LOC Mux. Would there be a reason for this? The message displayed is " The receiver is not receiving a signal or the signal is too weak"

link to this comment
Clive Street's 4 posts US
Thursday, 30 December 2021
C
Chris.SE
sentiment_very_satisfiedPlatinum

3:18 AM

Clive Street:

Are the rods (or squashed Xs) on your aerial horizontal or vertical? Rowridge has both polarisations for the 6 main multiplexes, but only horizontal for COM7 and the Local Multiplex.
If the rods are horizontal, you should have no problem receiving the Local multiplex - UHF C37.

I can't find any faults currently or recently listed and there is no Planned Engineering listed.

I would check that your aerial seems intact and pointing in the correct direction and that your downlead looks undamaged (especially if it is old).
Also check all your coax plugs, connections, flyleads etc, unplug connectors check for corrosion or other problems and reconnect them. Flyleads are a common problem, try swapping/changing them.

See what signal strengths and quality you are getting for the multiplexes (groups of channels) shown in your TV's tuning section, that information may indicate issues with your aerial or downlead or possibly any distribution amp/splitter you may have.

Problematic connections, water ingress etc. can seem to affect reception of just [b]an individual[/b] or several multiplexes.

Have you changed anything in your setup at all?
Make sure you don't have any HDMI leads near unscreened/poorly screened flyleads/aerial leads especially if those aren't double screened coax as HDMI has been known to cause interference.

link to this comment
Chris.SE's 3,034 posts GB
Friday, 31 December 2021
C
Clive Street
5:05 PM

Chris.SE:
Thanks, the rods were horizontal. The loft is in the roof. Picture quality on all other channels is fine, it's just those mentioned I can't view. I rotated the aerial so they are vertical, but it made no difference to the issue. The download runs in the cavity, so a visual inspection is very difficult.
As far as signal strength goes, I have an old Humax box. Going into the settings I get a display for signal strength and quality, but only for Channels 21,22,24,25,27,28 and 37. Strength for those is around 30% and quality 100%. I can't change those channels...

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Clive Street's 4 posts US
A
Andrew Grant
6:35 PM

Hi - I'm in the M33 area - the service on the LOC transmitter seems to be off or on for the last few weeks. All other MUX are high quality - I can actually see Winter Hill TX from my roof on a clear day .
I am offered regions North West , of Isle of Man - both show the same channels.
Looking at signal status shows zero for channel 49.
Generally I have 148 channels - when I am having problems - I loose 6 channels the ones on the LOC MUX.
My arial does not appear to have moved - looks in good order.
Are the LOC MPX retransmitted on the Winter Hill transmitter?
Is this a known problem - are the channels available on line so that I could cast to my chrome

link to this comment
Andrew Grant's 2 posts GB
C
Clive Street
7:49 PM

Chris.SE: I've now checked on the Freeview site which channels I should be able to receive, and discovered none of the ones I asked about are available to me! Obviously I should have checked that site before raising my question here.

link to this comment
Clive Street's 4 posts US
C
Chris.SE
sentiment_very_satisfiedPlatinum

8:38 PM

Clive Street:

The Rowridge Local mux is certainly available in parts of your postcode. The figures are definitely green - 84 Served and 99 Marginal, so that's pretty good. The aerial needs to be horizontal for the Local mux and COM7.
Loft installation will reduce signal a bit, but 30% for the main muxes is a bit low, unless your signal is coming through a party wall in the loft or a metal tank etc. it ought to be better.
I'll look into the signal variation across the postcode and post again later.

link to this comment
Chris.SE's 3,034 posts GB
Saturday, 1 January 2022
C
Chris.SE
sentiment_very_satisfiedPlatinum

1:21 AM

Andrew Grant:

Considering the general M33 area, as you are getting your signals from the Winter Hill transmitter, there is the Manchester GI mux transmitted on UHF C27 and the Local Manchester mux on C27 - the one you're having a problem with.
If you look in your TV tuning section, what Signal Strength and Quality (or BER - bit error rate) do you normal have on C27?

Current weather conditions (again!) - Tropospheric Ducting - may be causing some disruption to signals. If you have lost tuning for C27 altogether, try a Manual tune on C27. I would not advise a full/automatic retune with current conditions.

Some of the channels are available on-line, I'm not certain which ones, you'll just have to search for a particular one.

link to this comment
Chris.SE's 3,034 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

3:26 AM

Clive Street:

Having looked into this in more detail, it's because the coverage checker says the most likely transmitter is Rowridge VP (vertical polarisation) so when you use the Channel Checker instead of the Detailed Coverage Checker you don't get COM7 or the Local mux, so only120 channels.
When using the Detailed Coverage Checker, if you use Horizontal Polarisation you get the lot, BUT low house numbers in the postcode (primarily those below 20) are predicted variable reception on the COM & Local muxes.

In your 5.05 PM post where you are listing the UHF channels you include C37 which is the Local mux, so you are getting it (note - the list at the top of this page is out of date).

No sign of C55 in your list (COM7). How old is you aerial? If it's quite old (pre-DSO 2012/13) it could be a Group A aerial - the original group for Rowridge - so it's not designed for C55 - does it have a Red plug in either end?
You could try a manual tune of C55 but if it's a Group A aerial I doubt you'll get it especially as the strength for the other main muxes is 30%.

Now before you even think about rushing to change it, don't. COM7 was ever only a temporary mux and is due to close by the 30th June 2022 under the current licence.
However, as I've already mentioned 30% is quite low. How many rods on the aerial (those in front of the dipole - where the coax goes)? I don't suppose you know what make/model the aerial is?
Is the aerial pointing correctly - it should be compass bearing 212 degrees for you (that's roughly 13 degrees S of SW). A slight amount either way can sometimes improve the signal.

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Chris.SE's 3,034 posts GB
Monday, 3 January 2022
T
Tony Hill
sentiment_satisfiedBronze

5:28 PM

I see that you have said that COM7 closes next June. What happens then?

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Tony Hill's 65 posts RO
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Your comment please
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.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

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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