Freeview reception at BS11 9AQ
For reliable and stable Freeview reception, you need an unobstructed path between the TV aerial on your roof and the digital TV transmitter. The map below shows the transmitters predicted to provide a signal at this location.
You can click on any transmitter symbol to show the coverage area as a green overlay on the map. Double click on a transmitter symbol to go to the transmitter information page.
You can also view the ten closest potential '4G-at-800' mobile phone masts within 1.5km of the selected location - these masts may be used for 4G-at-800 mobile broadband services from 2013-2015.
These icons show the potential locations for 5G-at-700MHz services that may interfere with Freeview reception. For actual mobile device reception prediction (at 800-960MHz and 1710-2170MHz) see these phone operator's mapping sites: Three O2 EE VM
You can click on any transmitter symbol to show the coverage area as a green overlay on the map. Double click on a transmitter symbol to go to the transmitter information page.
You can also view the ten closest potential '4G-at-800' mobile phone masts within 1.5km of the selected location - these masts may be used for 4G-at-800 mobile broadband services from 2013-2015.
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There are 3 mobile phone masts within 1.5km of BS119AQ (page shows closest 10)What do the map symbols mean?
EE, Multiple operators, O2, 3, Vodafone, location on line-of-sight, Selected location, Freeview transmitter, Freeview light transmitter, Engineering/fault today.These icons show the potential locations for 5G-at-700MHz services that may interfere with Freeview reception. For actual mobile device reception prediction (at 800-960MHz and 1710-2170MHz) see these phone operator's mapping sites: Three O2 EE VM
Predicted Freeview channel list
Advanced options
Show good and blocked paths from BS11 9AQ 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)
Friday, 6 December 2013
J
John McCann10:00 PM
Tonbridge
I accept your expert opinion on line of sight from an earlier communication. If Tw is better, then is there any way of testing or do I have to go for a new aerial with different polarity and see what happens?
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John's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
J
jb3811:31 PM
John McCann: Tonbridge Wells (@ 9.1 mls / 218 degrees) would appear to be a better bet for reception as the signal from Heathfield (@ 19.1 mls / 218 degrees) suffers from a number of obstructions starting from approximately 13 miles out, the obstruction referred to being seen by opening the undermentioned links indicating the signal path from both transmitters.
By the way, if the aerial was repositioned to suit Tunbridge Wells it would also require to be swivelled around by 90 degrees to its vertical mounting position, rather than as at present of horizontal.
Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location
Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location
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Saturday, 7 December 2013
John McCann: As jb38 says, you just need your aerial changing to its vertical alignment and turning to face Tunbridge Wells.
The signals from the two are the same, which is what the Single Frequency Network is. That is they put out the same signal on the same frequency, and each is in time with the other.
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J
jb389:34 AM
John McCann : Yes, as Dave L has indicated no retuning is necessary, however the only slight impediment that I can see and which "might" possibly affect reception from TW is that the signal path from same is partially clipped by the Southern edge of the mini forest to the West of your property, this being something which could (but not definitely) introduce the summer / winter effect into reception dependant on the nature and height of the trees involved, but other than that possibility TW would suggest as providing a more stable signal to that via the multiple obstructions to the signal path from the Heathfield transmitter.
By the way, that said is based on the P/Code location being accurate, as its well known not always to be when associated with country areas.
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jim dalton6:32 PM
Kettering
I live in woodford northants on the river and get perfect reception during the week
But from Friday afternoon until monday morning all bbc stations (tv and radio) uffer from freezing every 5 secs or so, which i very frustrating
all other channel seem ok
Its not imaginary it happens every flipping week
can anyone explain what going on?
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jim's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
jim dalton: It sounds like some kind of electrical interference. If it starts and ends at exactly the same times then this would suggest an appliance which is automated, with some sort of timer.
Use a AM (LW/MW) radio powered with batteries. As it's pulsing, every five seconds or so, then it should be easy to identify it on the radio. Tune around the dial until a sound that pulses in time with the breakup on the TV is heard. Then walk around with the radio, going outside as well.
As you spin the radio around the sound will get fainter and stronger. At its strongest the source of the interference is perpendicular to the radio. Using this technique you may be able to triangulate it.
It may be helpful if I explain this with you holding the radio in front of you, so you are looking at its front, and that you spin around whilst keeping the radio in front of you: When the sound is at its loudest the source is in front of you, behind you, above you or below you; When it's at its quitest, the source is to your left or right.
Or of course speak to your neighbours. They could be suffering worse than you, i.e. it affects more channels. Ensure that they are using terrestrial (Freeview) rather than satellite (Freesat/Sky).
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Sunday, 8 December 2013
J
John McCann2:28 PM
Tonbridge
John McCann:
Thanks for advice guys. Just hope I can get a chap to go on the roof at this time of year!
I will advise on the result in case anyone else in this area is having a problem.
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John's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
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jb384:04 PM
John McCann: Yes, please do! as everything indicates that this action should provide a more stable signal to that obtainable from Heathfield.
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Monday, 9 December 2013
B
Bharat12:51 PM
Horsham
Please can someone explain to me (non-aerial person) way I have lost all my channels for Freeview. Postcode RH12 5LD. When I put this into the postcode checker, it seems that there is a O2 mobile mast in the line of the Midhurst transmitter. at800 have stated that I am not affected by the 4G masts?
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Bharat's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
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