01270nam 2200361Ka 450 991069517910332120060616105559.0(CKB)5470000002366936(OCoLC)70123080(EXLCZ)99547000000236693620060616d1999 ua 0engtxtrdacontentcrdamediacrrdacarrierLower Mississippi River VTS frequency survey[electronic resource] /Robert L. Sole, Brent Bedford[Washington, D.C.] :[National Telecommunications and Information Administration],[1999]54 unnumbered pages digital, PDF fileNTIA report ;99-364Title from title screen (viewed on June 16, 2006)."June 1999."Includes bibliographical references.Radio on boatsMississippi RiverRadio on boatsSole Robert L1381093Bedford Brent L1381094United States.National Telecommunications and Information Administration.GPOGPOBOOK9910695179103321Lower Mississippi River VTS frequency survey3425228UNINA