STRATACONNECT

A multi-functional underground wireless network comprised of transmitters, receivers, processors, controllers, and housings, for post-accident mine and day-to-day mine monitoring involving atmospheric monitoring of chemicals in the mine and productivity analysis regarding collection of materials from the mine and safety data regarding miners in the mine, location tracking and accident tracking of miners and vehicles in the mine, and communications with and between miners with digital voice and high-speed data and two-way text communications