Lightweight wireless sniffer

One of a two part article on setting up a wireless sniffer on a NetBSD box. I am somewhat familure with OpenBSD, using them as firewalls for years. I am hoping to be able to do this on Open BSD soon.

http://www-106.ibm.com/developerworks/library/wi-rfsensor.html?ca=dgr-lnxw01OS-Sniffer
tinyURL link

Let's lookout for part two...