All ambulance units shall maintain 2-way radio communications with the county ambulance dispatcher at all times when in service, on the assigned common frequency. All such ambulance units shall “check in” and “check out” with the dispatcher for each duty period and each ambulance call.
(1976 Code, § 6-51) (Ord. 2-4-75, § 8; Ord. 1001, § 4, passed 6-1-1982)