Nps Public Safety | ErrorZap

Labeled illustration of a canyon-rim dispatch desk with four separate radio handsets marked Law Enforcement, Fire, Medical, and Administrative, plus a fifth handset marked Tactical, all wired to a single rim-top repeater tower overlooking the inner canyon

Four Channels, One Canyon: Grand Canyon's Rescue Radio Network

Law Enforcement, Fire, Medical, Administrative, and a tactical channel — the radio structure behind roughly 300 rescues a year.