LEADER 01605nam  2200409Ia 450 
001 9910700773203321
005 20120103081613.0
035   $a(CKB)5470000002411273
035   $a(OCoLC)770004994
035   $a(EXLCZ)995470000002411273
100   $a20120103d1997      ua             0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAnalysis of spectrum utilization and message length statistics for the railroad land mobile radio service$b[electronic resource] /$fMichael Terada
210  1$a[Boulder, Colo.] :$cU.S. Dept. of Commerce, National Telecommunications and Information Administration,$d[1997]
215   $a1 online resource (v, 31 pages) $cillustrations, maps (some color)
225 1 $aNTIA report ;$v98-345
300   $aTitle from title screen (viewed on Jan. 3, 2012).
300   $a"November 1997."
320   $aIncludes bibliographical references (page 28).
606   $aRadio frequency
606   $aMobile communication systems$zUnited States
606   $aRailroads$zUnited States$xSignaling
615  0$aRadio frequency.
615  0$aMobile communication systems
615  0$aRailroads$xSignaling.
700   $aTerada$b Michael$01423405
712 02$aUnited States.$bNational Telecommunications and Information Administration.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910700773203321
996   $aAnalysis of spectrum utilization and message length statistics for the railroad land mobile radio service$93550984
997   $aUNINA