root@delta:/etc# ifconfig ath0 up
root@delta:/etc# iwconfig ath0
ath0      IEEE 802.11g  ESSID:"prometheus"
          Mode:Master  Frequency:2.412 GHz  Access Point: 00:0F:3D:AD:FD:A4
          Bit Rate:0 kb/s   Tx-Power:18 dBm   Sensitivity=0/3
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=0/94  Signal level=-93 dBm  Noise level=-93 dBm
          Rx invalid nwid:198  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

root@delta:/etc# /etc/init.d/hostapd start
Starting advanced IEEE 802.11 management: hostapdioctl[IEEE80211_IOCTL_SETMLME]: Invalid argument
.
root@delta:/etc# iwconfig ath0
ath0      IEEE 802.11g  ESSID:"prometheus"
          Mode:Master  Frequency:2.412 GHz  Access Point: 00:0F:3D:AD:FD:A4
          Bit Rate:0 kb/s   Tx-Power:18 dBm   Sensitivity=0/3
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:8A00-BCB8-AA86-3F3E-438E-7492-3FC5-8D7C [2]   Security mode:open
          Power Management:off
          Link Quality=0/94  Signal level=-96 dBm  Noise level=-96 dBm
          Rx invalid nwid:209  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0