On 26/04/2009 04:12, Jeff Liebermann wrote:
> On Sun, 19 Apr 2009 20:55:35 -0700, Jeff Liebermann<jeffl@cruzio.com>
> wrote:
>
>> Ekahau HeatMapper Wireless free mapping tool:
>> <http://www.ekahau.com/products/heatmapper/overview.html>
>
> Well, not so wonderful. It seems to work ok for indoor mapping, but
> seem to get rather confused when faced with an outdoor environment.
> Results are far from usable. As I walked around the loop, the order
> of the access points seem to be in the correct order, but the found AP
> locations are useless.
> <http://802.11junk.com/jeffl/crud/ekahau-plot-04.png>
> I was thinking the problem might be the laptop, so I tried a total of
> 3 XP laptops with similar results. This plot was generated on an Asus
> eee PC 701.
>
> I also created similarly useless results with multiple AP's at my
> house. If I walked in a circle, the results were similar to the
> photo. However, if I followed the instructions, and sorta walked in a
> semi-drunken manner, with lots of cross-over points, the plots looked
> more like in the examples.
>
>
Is this because you never get close enough to the AP's to get some
positions with really strong signal levels for each AP?