When I try to setup my wifistix i get the following error after running "iwconfig mwlan0 essid <my wireless essid>"

Error for wireless request "Set ESSID" (8B1A) :
    SET failed on device mwlan0 ; Network is unreachable.

How do I set up the wifistix?  Thanks!

Allan Matthew
Graduate Student, Aeronautics and Astronautics
Distributed Space Systems Laboratory
University of Washington