AV	(AVAILABLE) - Unit is available for emergency Calls
DP	(DISPATCHED) - Unit is has been dispatched to the emergency
ER	(ENROUTE) - Unit is responding to the Emergency
AR	(ARRIVED) - Unit has arrived at the Emergency
TR	(TRANSPORTING) - Ambulance is taking a patient to the Hospital
TA	(TRANSPORT ARRIVE) - Ambulance is at the Hospital
OS	(OUT OF SERVICE) - Unit is Out of Service
MU	(MOVE UP) - Unit was moved to reduce response time
ST	(STATION MANNED) - Station is manned with Volunteer Firefighters