LEADER 01730nam  2200409 a 450 
001 9910697122103321
005 20230902162115.0
035   $a(CKB)5470000002385694
035   $a(OCoLC)700510610
035   $a(EXLCZ)995470000002385694
100   $a20110204d1975      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 12$aA versatile three-dimensional ray tracing computer program for radio waves in the ionosphere$b[electronic resource] /$fR. Michael Jones, Judith J. Stephenson
210  1$aWashington D.C. :$cU.S. Dept. of Commerce, National Telecommunications and Information Administration ;$aBoulder, Colo. :$cInstitute for Telecommunication Sciences,$d[1975]
215   $a1 online resource (15 PDF files (xi, 185 pages)) $cillustrations
225 1 $aOffice of Telecommunications OT report ;$v75-76
300   $aTitle from title screen (viewed on Feb. 3, 2011).
300   $a"October 1975."
320   $aIncludes bibliographical references (pages 64-66).
410  0$aOT report ;$v75-76.
606   $aRadio waves$xObservations$xComputer programs
606   $aIonosphere$vObservations$xComputer programs
615  0$aRadio waves$xObservations$xComputer programs.
615  0$aIonosphere$xComputer programs.
700   $aJones$b R. Michael$g(Richard Michael),$f1937-$01400433
701   $aStephenson$b J$013931
712 02$aInstitute for Telecommunication Sciences.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910697122103321
996   $aA versatile three-dimensional ray tracing computer program for radio waves in the ionosphere$93467351
997   $aUNINA