01270nam 2200265z- 450 991068989350332120041109071829.0(CKB)5860000000031710(BIP)011233371(EXLCZ)99586000000003171020220406c2004uuuu -u- -engProtecting homeland security a status report on interoperability between public safety communications systems : hearing before the Subcommittee on Telecommunications and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Eighth Congress, second session, June 23, 20041 online resource (iii, 60 p.) 0-16-073599-8 Protecting Homeland Security; A Status Report on Interoperability between Public Safety Communications SystemsEmergency communication systemsUnited StatesEmergency communication systemsTechnology & engineeringEmergency communication systemsUnited States, Congress House Committee on Energy and Commerce Subcommittee on Telecommunications and the Internet Staff,othBOOK9910689893503321Protecting homeland security3127756UNINA