Found a link here to site which gives compass reference to my nearest transmitter to align aerial . Can’t find it now any one help ?
Compass reference ?
- Thread starter foxhole
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you should be able to find the recommended transmitter , then using the map if you change to satellite view, you may see your house top and the aerial or at least get a good idea where to point the aerial
Then I have used the Signal Quality & Strength on the TV to fine tune, but remember you will need to change the TV channel for the different MUX
Then I have used the Signal Quality & Strength on the TV to fine tune, but remember you will need to change the TV channel for the different MUX
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I think what you want is the Wolfbane site: http://www.wolfbane.net/cgi-bin/tvd.exe?
Put in your postcode and it gives a list of all the transmitters on the local region. This includes a compass bearing.
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Compass bearing are OK if you have an accurate compass and no large metal bits ( like a mast ) that could distort the earth's magnetic field.,
I have used Google Earth and its distance measuring tool which draws a line from aerial to transmitter site.
Then aim the aerial at a suitable landmark under the line, in this case the chimney stack of the house was good enough.
I have used Google Earth and its distance measuring tool which draws a line from aerial to transmitter site.
Then aim the aerial at a suitable landmark under the line, in this case the chimney stack of the house was good enough.
Phone compass , unaffected by anything .
That’s the one , thanks.
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I seem to remember there was a program which you just entered the Maidenhead locator code into, however although all around the world they use the Maidenhead locator it seems to be rarely used in the UK where it was invented. It seems we use Post codes and military map references designed to aim guns so missiles (referred to as ordnance) hit target first time. Seems years ago some one surveyed the UK and made a map to assist gunners, called the ordnance survey map, one does wonder why?
amazing the things you learn from forums like this. thanks
I was going to add, watch out for the local magnetic variation, which is 7 degrees here, but (serious tech question) how come a phone compass is not affected?
Mine certainly is!
Ever tried several phones side by side?
We have during a Raynet meeting... up to 15° variation, not so with proper compasses.
That'll be because NGR (ordnance survey) was created many years before Maidenhead... Oh and maidenhead is based entirely on the Ordnance survey database.
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Since the Irish OS and Mainland OS references don't match, and it only covers UK where as Maidenhead covers the world, that does not ring true.
Having checked with a magnet, my phone compass is also affected.
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