Full Freeview on the Rowridge (Isle Of Wight, England) transmitter
Brian Butterworth first published this on - UK Free TV
Google Streetview | Google map | Bing map | Google Earth | 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._______
Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
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 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.
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 | BBCtvwaves | ||||||||
C21 | C4waves | C4waves | C4waves | +BBCB | BBCB | ||||
C22 | +ArqA | ArqA | |||||||
C24 | BBC2waves | BBC2waves | BBC2waves | BBCA | BBCA | ||||
C25 | SDN | SDN | |||||||
C27 | ITVwaves | ITVwaves | ITVwaves | D3+4 | D3+4 | ||||
C28 | ArqB | ArqB | |||||||
C29 | LSO | ||||||||
C31 | BBC1waves | BBC1waves | BBC1waves | com7 | |||||
C37 | com8 | ||||||||
C55tv_off | com7tv_off | ||||||||
C56tv_off | COM8tv_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
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Sunday, 18 December 2011
P
Peter Merchant10:11 AM
CAn You advise please? The signals from Mux 'C' seem to be very week compared to the other Mux's as shown by my Hitachi Digibox. Levels 2 or 3 compared to level 9 or 10 for most of the mux's.
Is there something I can do about this? My antennae are years old, so not digital specific.
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P
Peter Merchant10:15 AM
I forgot to mention, I live in the Wimborne area and am using the Rowridge transmitter.
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Monday, 19 December 2011
Peter Merchant: Please see Single frequency interference | ukfree.tv - independent free digital TV advice for help.
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Wednesday, 4 January 2012
J
jay1:14 AM
Brighton
Hi
Is there a reason
SDN, ARQA, ARQB, com7, com7, com8, com8, com9, com9, BBCA, D3+4, BBCB
why com7,com8 and com9 are listed twice!
Thanks :)
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jay's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
K
KMJ,Derby10:24 AM
jay: I think this is a result of Rowridge transmitting with both horizontal and vertical polarisation after switchover, this creates problems with data compilation. Such variations to the standard format have to be tweaked manually by Briantist. A line that is missing is SDN, ArqA, ArqB at 50kW applicable to Rowridge HP.
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Tuesday, 10 January 2012
i am unable to get the channels from 32 (channels ITV, E4 etc) and on 37 (e4+1) have massive interference is there any reason for this as last month i was able to get all the channels channels perfectly (postcode PO5 2AJ)
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Nick's: mapN's Freeview map terrainN's terrain plot wavesN's frequency data N's Freeview Detailed Coverage
M
Mark Fletcher5:26 PM
Halifax
Nick,Southsea.Look up inversion effect,that could be the cause of the interference you implied that yer experiencing.
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Mark's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Saturday, 14 January 2012
According to here: http://www.ofcom.org.uk/s….pdf
Mux1 should be C34+ (578.2MHz) and MuxC should be C37 (602.0 MHz)
This I've confirmed here.
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J
jb389:30 AM
Ewan Marshall: Yes, you are quite correct as far as 100% accuracy is concerned as the + offset has been mistakenly marked against the wrong multiplex, although as far as a TV's or box tuning is concerned this minor clerical error is neither here nor there, as the devices tuners automatic frequency control (AFC) will lock onto the signal anyway.
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Accept I have receiving gear where I input the transponder frequency manually (ham radio operator), so having the correct transponder frequencies is extremely useful. So when I tune to frequency and can't get a stable signal lock I shouldn't have to be calculating and trying offsets manually.
And not all consumer tuners will manage to correct for an offset correctly (hauppage wintv cards don't, the scanner scans them all separately in wintv windows media center trying both offsets as we as the channel frequency reported for that transmitter, if you aren't using that software though, or manually inputting the transponder tables to scan on then one again needs to know the correct offset.
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