With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdrChannelSwitchNotifEnabled
Cisco Root Device Channel Switch Notification Enabled
1.3.6.1.4.1.9.9.627.1.1.1
Indicates whether the ciscoDot11RadarChannelSwitch notification will or will not be sent by the agent when a radar is detected. If it is 'true', the notification will be sent. If it is 'false', the notification will not be sent.
Back to CISCO-DOT11-RADAR-MIB MIB page.
IPHost Network monitor allows you to monitor cdrChannelSwitchNotifEnabled on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.