Sunnyvale ARES (SARES) Sunnyvale Amateur Radio Emergency Service Sunnyvale Amateur Radio Emergency Service SARES is the local Amateur Radio Emergency Service ARES group of radio amateur volunteers serving the City of Sunnyvale California Department of Public Safety. We provide reliable backup communication links as well as additional eyes ears and hands where needed always linked with 2way radio. Under the mutual aid agreement we also provide services to neighboring cities the County of Santa Clara Office of Emergency Management as well as to help organizations such as the American Red Cross and The Salvation Army. SARES also operates 2m and 70cm repeaters hosted by the City of Sunnyvale DPS and a 70cm repeater hosted by the SARESRG Repeater Group on Crystal Peak.