ESSID is set to FOX in net.wireless When in ad-hoc mode the output of iwconfig is ok.
rausb0 RT73 WLAN ESSID:"FOX"
Mode:Ad-Hoc Channel=10 Cell: F6:04:9A:FD:9B:C8
Bit Rate=11 Mb/s
RTS thr:off Fragment thr:off
Encryption key:off
Link Quality=97/100 Signal level:-42 dBm Noise level:-79
dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
When just changing to managed in net.wireless the ESSID get's lost and
mode is displayed as AUTO
