Emergency Medical Retrieval Service Emergency Medical Retrieval Service The Emergency Medical Retrieval Service (EMRS) provides aeromedical critical care to people in Scotland. It provides patients in remote and rural areas with rapid access to the skills of a consultant in emergency or intensive care medicine as well as facilitating transfers to larger, better equipped city hospitals. The team is available 24 hours a day with services` provided in partnership with the Scottish Ambulance Service utilising both helicopters and fixed-wing aircraft. The service began operating in the West of Scotland in 2004 and has provided a national service since 2010. The EMRS now operate as
Emergency Digital Information Service Emergency Digital Information Service Emergency Digital Information Service (EDIS) is a wireless datacast based emergency and disaster information service operated by the State of California Governor's Office of Emergency Services. In operation since 1990, the system was upgraded in 1999 to support image and sound capabilities via satellite broadcast. The system is an enhancement to the Emergency Alert System. Like the EAS, it is used for statewide and local emergencies such as severe weather warnings, AMBER Alerts, and civil emergencies. The EDIS system is compatible with CAP and IPAWS. EDIS uses two frequencies for reception: 37.0200 MHz and 37.3800 MHz