ATHN_POWER_CCK_DUP
(power[ATHN_POWER_CCK_DUP ] & 0x3f));
power[ATHN_POWER_CCK_DUP ] = tpow_ht40[0] + cckinc;
power[ATHN_POWER_CCK_DUP ] = tpow_ht40[0];