San Diego County Mutual Aid Genres:emergency Playing: Slow at times. RCS North & South zone & SDPD mutual aid talk groups (used for multi-jurisdictional pursuits/events/hailing/emergencies) and local/state inter-agency frequencies. Leave a Review Set your rating: Your Review: Submit You Also May Like Eagle Pass Police, Fire and EMS, Maverick County Sheriff Dispatch emergencypolice Winchell Fire emergency Clinton County Public Safety emergencypolicepublic safety Sibley County Public Safety emergencypolice Posts navigation San Diego City and Poway Fire San Diego International Airport – KSAN