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Freeview reception at RH20 3EZ
Terrain between RH203EZ and Freeview mastsFor reliable and stable Freeview reception, you need an unobstructed path between the TV aerial on your roof and the digital TV transmitter.
The diagrams below show the transmitters you can get a signal from - in order from best to worst. The blue line tests the line-of-sight between an aerial 10 metres above ground level (the line is red if there is an obstruction in the line-of-sight). You may be able to improve reception by raising the aerial higher - for safety's sake consult a reputable aerial installer if you need rooftop access. See below the diagrams for advanced options including selecting the receiver aerial height.
The terrain information (from Ordnance Survey and GIS) does not include forestation (where leaf cover changes with the seasons) or city buildings. The line-of-sight line can appear curved as this straight line moves over the Earth's surface.
When you click on a diagram, you will see map with the location selected shown with this symbol: .
What do the map symbols mean?location on line-of-sight, Selected location, Freeview transmitter, Freeview light transmitter, Engineering/fault today....
Advanced optionsShow good and blocked paths from RH20 3EZ for aerial height of ...
10m20m (Angel of the North)25m30m40m56m (Hyde Park Flats, Sheffield)62m (Monument)90m (Royal Liver Building, Liverpool)107m (Meridian Quay Tower, Swansea)115m (Bridgewater Place, Leeds)127m (Glasgow Tower)143m (Guy's Hospital)158m (Blackpool Tower)170m (Spinnaker Tower, Portsmouth)180m (The Gherkin/BT Tower) 193m (Tower 42)235m (Canary Wharf)310m (The Shard)(default view)
Tuesday, 15 May 2018
Sunday, 20 May 2018
Off Late, we don't seem to get BBC 1 & BBC 2 on our Sony Bravia TV. The first channel is ITV. I have tried to reset and retune the TV yet the problem exists. Hope you can help.
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Sunil's: Freeview map terrain plot frequency data R&TI Service digitaluk trade DAB coverage
Please check that yiour TV is tuned to the correct transmitter. Start by looking at the 'digitaluk trade' link below your post (or go to http://www.digitaluk.co.uk/coveragechecker/main/trade/SL23TT/NA/0/ which is the same location) and then looking at the direction your aerial is aimed. If it is looking at Crystal Palace it will be aimed at a bearing of 110 degrees, if it is aimed at Hannington it will be looking at 236 degrees. At your location Hannington is predicted to give more reliable results. In both cases you need a Group T or a wideband aerial, Group A or B aerials are no longer suitable for either transmitter.
Once you have determined which transmitter your current aerial is aimed, you have to decide whether to have the aerial changed to a wideband type and whether to have it aimed at Crystal Palace or Hannington, bearing in mind that Crystal Palace will givce poorer results, but Hannington should be more reliable.
Then you can manually tune to the preferred transmitter, auto-tuning could pick up the wrong channels. The correct channels are given in the link quoted earlier.
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