00000cab a22000003a 4500 UP-99796217609824566 Buklod 20231007235750.0 m |o d | ta 110512s xx d | ||r ||||| || DENGII eng Riezenman, M.J. Over and over and out [emergency radio systems]. pp. 41-42 In the future, emergency systems will have to account for the orderly use of multiple communications channels. This is most easily done using digital radios. Although much has been said about such radios in connection with the communications problems on 9/11, the fact is that the Fire Department of the City of New York (FDNY) had no such radios on the scene that day. Redundancy, clearly, was not overlooked by the FDNY. What the department did not anticipate was the scope and scale of the disaster. Future systems will doubtless have even more redundancy, some of it deployed well out of the immediate hazard area. Emergency repeaters mounted on helicopters might also prove valuable in dealing with skyscraper fires, especially since they could easily change position as needed to ensure coverage of a particular area. Fire Department of the City of New York. World Trade Center disaster. Communications problems. Digital radios. Emergency radio systems. Emergency systems. Helicopter mounted emergency repeaters. Multiple communications channels. Redundancy. Skyscraper fires. IEEE spectrum 39, 9(duplicate) (2002). FO UPD DENG-II Article