grab bitrates from beacon packet. look at ethereal ieee80211.c
support more hardware
wep - statistics collection
optionally support wiretap for saving as ethernet frames
text to speech for ssid, where did I put speak.c?
switch to array - there's little need for a hash and we get to preserve the order
openbsd portability 
  spent some time on this. Deemed non-trivial: although the code is clean 
  enough to compile easily, switching rfmon mode on is another matter.
