[kismac] Re: Fun with Kismac- Antenna reach

  • From: Ian Beeby <ibeeby@xxxxxxx>
  • To: kismac@xxxxxxxxxxxxx
  • Date: Tue, 18 May 2004 21:56:24 +0100


Yes, this is a very good idea - however, you need to consider how many _statistically_significant_ points you need too get a proper antenna pattern - and you need to be aware that you can get spurious results from reflections - so ideally you will do the same exercise from several points to try to eliminate the effect of these spurii.

The technique is a form of 'tomography', used not only by antenna engineers when needed but greatly used by remote sensing scientists and medical imaging people.



On 18 May 2004, at 14:55, ard jonker wrote:

Just came up with an idea; if you war drive your neighbourhood -and beyond- with GPS enabled, save the map, put up a dish-setup and swipe it across the neighbourhood, you can determine the reach of the dish setup.
From the map simply calculate the distance of an AP found in the war drive to your dish setup .
Even without hi tech equipment it is then easy to find out what setup works the best for you.



Ian Beeby

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