The National Interoperability Field Operations Guide (NIFOG) is published as a technical reference guide for emergency communications planning and for radio technicians responsible for radios that will be used in disaster response. . This bestselling guide contains essential rules and regulations for use of nationwide and other interoperability channels, tables of frequencies and standard names, and other reerence materials formatted as a pocekt-sized guide for radio technicians, public safety professionals, and first responders to carry with them. Other related products: Disaster Preparedness resources collection can be found here: https: //bookstore.gpo.gov/catalog/consumer-home-family/disaster-prepared... Emnergency Management and First Responders product collection can be found here: https: //bookstore.gpo.gov/catalog/security-defense-law-enforcement/emerg...