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Also check out the new Lawrence, KS wireless network Distribution Study

Network Imagery

Point Mapping
Prior to the visualization of network fields, it is often useful to map networks directly from the point file collected by Netstumbler. This technique has already been used by many 'stumblers to map network locations upon a vector road map. Here, we use aerial photography as a background due to its visual appeal and easy interpretation.
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This image shows a large collection of wireless networks detected while driving in Lawrence, Kansas. Each unique hardware address is indicated by a different colored point. The left column shows a subset of these MAC addresses.

Individual Network
Using the techniques documented in the Procedure page, the point data collected for a single network may be represented as a signal strength field.

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Commercial Network
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Residential Network
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Academic Network
Multiple Networks
If many networks are located in close proximity to one another, they may all be mapped within the same scene.
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This map shows six unique networks located near downtown Lawrence, Kansas.
Multiple Access Points
It is also possible to map multiple access points (AP's) for the same network. This is accomplished by subdividing the network by the unique MAC addresses (provided by Netstumbler) of each AP.
Note: these maps were created with a walking scan for finer resolution.
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A single network composed of nine access points (AP's). Each AP is denoted by an asterisk. The complete network coverage is shown by the shaded area while the unique field for each AP is bounded by its respective color.
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In this image a single AP is isolated from the network and a signal strength field is shown for this device.
More Imagery Coming Soon

Copyright © 2002
Information & Telecommunications Technology Center
Kansas Applied Remote Sensing Program