While preparing for my OSWP exam, I came across an unpublished Python program for the AirPcap adapter. I cleaned-it up a bit and here it is: apc-b
This program allows you to send out beacon frames, a very simple way to spoof WiFi access points.
This is the command to generate beacon frames on channel 6 for a couple of ESSIDs listed in file apc-b-2.txt:
And here is Kismet on my N800 capturing these beacon frames:
Didier Stevens 