802.11 RSSI value displayed from ifconfig(8)

[Pete French]

> Is this paper's information accurate regarding atheros?

I have no idea - I think you would be best off calibrating it yourself
with a dBm metre if you can. The antenna will have an effect as well, as
will cabling between it and the receiver chip - all the usual things to
do with working with radio signal strength apply.

-pete.