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100   $a20210806j202104    ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHaystack ultra-wideband satellite imaging radar measurements of the orbital debris environment: 2019 /$fJ. Murray Jacobs, T. Kennedy
210  1$aHouston, Texas :$cNational Aeronautics andSpace Administration, Lyndon B. Johnson Space Center,$dApril 2021.
215   $a1 online resource (x, 66 pages) $cillustrations (chiefly color)
225 1 $aNASA/TP ;$v20210013669
300   $a"April 2021."
320   $aIncludes bibliographical references (pages 49-50).
517   $aHaystack ultra-wideband satellite imaging radar measurements of the orbital debris environment
606   $aSpace communication$2nasat
606   $aImaging techniques$2nasat
606   $aSpacecraft communication$2nasat
615  7$aSpace communication.
615  7$aImaging techniques.
615  7$aSpacecraft communication.
700   $aJacobs$b J. Murray$01412994
702   $aKennedy$b T.
712 02$aLyndon B. Johnson Space Center,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910716776703321
996   $aHaystack ultra-wideband satellite imaging radar measurements of the orbital debris environment: 2019$93508275
997   $aUNINA