Full Freeview on the Rowridge (Isle Of Wight, England) transmitter
 | 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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Thursday, 13 November 2014
D
David Fox2:57 PM
MikeB: Thanks Mike. An interesting observation. I immediately wonder why though? I'm aware that there is some current passing through the aerial - but on the whole it is an passive device - so unless it has become damaged in some way [and we *can* still receive BBC mux] why would the aerial be the component at fault ?
Hmm... thinks... current driven out of one or both of the devices [TV/ PVR] ...could one of them be loading the current too much and the signal reception "locked up" , err , read, can't read that signal because the driven current is somehow locking it or blocking it [not technical terms, I'm not a hardware engineer but have a bit of an awareness at that level].
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M
MikeB4:03 PM
David Fox: Your overthinking it....
Rowridge has no reported problems, so its not the transmitter. Nor is it one of your boxes, since they both have the same problem, which is that your missing (at the least) the PSB2 Mux.
Your TV is linked by a thin coax wire up to the aerial. Its subject to extremes of heat, mositure, wind, etc. And of course it degrades, like anything else. Its also possible that it was put in my someone who bodged the job, used the cheapest cable, etc.
It could be a frayed or loose wire, moisture or corrosion. If you've an amp, it could be a failing power supply. In one recent case, it turned out to be a dodgy fly lead.
Whatever it is, it will have nothing to do with the current, etc, but almost certainly everything to do with a simple break somewhere along the chain.
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B
Bob6:29 PM
Brighton
Vanessa, it sounds as though water is getting into the aerial system somewhere. Possibly the downlead. Could be a number of things, but from your description that sounds most likely. This can affect only certain groups.
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Bob's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
V
Vanessa10:23 PM
Bob.
Thanks. I thought that too, but I have two tvs fed from the same downlead. One fine (the cheap one), one not. Unless the internal lead went wrong. But once the bad weather cleared, it all got better. Plus, it was ok in daylight hours, but dropped off after dark. I am on the edge of good reception where I am, admittedly. This time it was my Dad's signal that went, a couple of miles down the road. Mine is ok. . I continue to investigate - it's an intriguing little mystery????
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MikeB11:28 PM
Vanessa: It sound exactly like moisture in the system. Since one tv is fine, the fault is on the other one, which at least means you can narrow the search for the problem.
Could you give us a postcode, because it would help to find out if your on the edge of the signal range. Personally, I think your fine - my parents live in Poole, so I know the area where you live, and its not only about the same distance, but your predicted to get a better signal from the transmitter than they are!
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Friday, 14 November 2014
D
David Fox10:04 AM
MikeB: Thank Mike - you are absolutely right; after a bit of investigation , it turned out to be the amplifier in the loft that has "failed" in some way - not just the fuse in the plug :-) - I've bypassed it and returned and all is well. To be honest I forgot we'd got an ampliflier - we've only had to use it a couple of times - when we've moved the TV between rooms. anyway, I witter on, problem found.
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Friday, 21 November 2014
C
Chris Shaw8:30 PM
Emsworth
Hi,
I have good redemption from a small loft aerial in my bungalow on all Freeview channels but cannot get BBC4 HD. What kind of aerial do I need to get this channel as well as the others?
Thanks
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Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Dave Lindsay
8:43 PM
8:43 PM
Chris Shaw: To get BBC Four HD your aerial will need to be horizontal rather than vertical. So if you switched to vertical polarisation it will need changing back again as the new HD muxes aren't VP..
Judging by the terrain plot you may have clear line-of-sight at 22.6 miles. A loft aerial may do. It's not that you need a different type of aerial per se but that the transmission power is lower, although at just over 24kW it should be ample to serve you.
Can you not put the aerial outside or try moving it in the loft? See whether any trees might be in the way.
Also, try going to the manual tuning part of your receiver and enter/select UHF channel 31 but don't press the button to scan/add channels immediately. Instead wait and see whether it gives you any indication as to strength and quality.
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Saturday, 22 November 2014
C
Chris Shaw1:56 PM
Emsworth
Thanks, Dave Lindsay.
My spell checker turned 'reception' to 'redemption' - I have good reception on all channels but I think I am beyond redemption!
Our current aerial is tiny. About 30cms long with 20 vertical elements of different lengths and no reflector. The signal strength on nearly all channels and certainly the main ones is 8-10 and the signal quality is 10, as shown by the tuner.
Is it possible to get an aerial that does horizontal and vertical at the same time?
Cheers
| link to this comment |
Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
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