I've just added support for Mic-E message bits. These are sent only in the Mic-E formatted packets, and I've been told it's quite easy to switch between the different messages in the Kenwood TM-D700 / TM-D710 rigs. I don't know how, since I don't own any of these rigs, and they're a bit expensive. If you're working for Kenwood, please consider sending me one for review and compatibility testing, there are over 130 000 potential APRS users visiting this site every month (absolute unique visitors according to Google Analytics). You can find my email address behind the 'complete profile' link on the right. Thank you. :)
The Mic-E status message is encoded in the packet using just a few bits, and can contain one of these 8 standard messages: Off duty, En route, In service, Returning, Committed, Special, Priority, Emergency. 7 custom messages (Custom 0 to Custom 6) are also defined.
The current message is shown on the info page of the sending station, and the info balloon of the current position on the real-time map. Old values of the message bits are currently not stored in the database.