# athstats -i ath0
12575 tx management frames
37988 tx frames discarded prior to association
3 tx linearized to cluster
9661 tx failed 'cuz too many retries
180725 long on-chip tx retries
5509 tx frames with no ack marked
16312 rx failed 'cuz of bad CRC
1 rx failed 'cuz frame too short
1 rx failed 'cuz frame too large
293597 rx failed 'cuz of PHY err
    293597 OFDM timing
274 periodic calibrations
rssi of last ack: 2
avg recv rssi: 22
1 switched default/rx antenna
Antenna profile:
[0] tx        0 rx        1
[1] tx  1628817 rx  2115750
# sysctl dev.ath.0.debug=1
dev.ath.0.debug: 0 -> 1
# athdebug -i ath0
dev.ath.0.debug: 0x1<xmit>
# athdebug -i ath0
dev.ath.0.debug: 0x1<xmit>