00520nam 2200169z- 450 9910693609503321(CKB)4970000000054632(EXLCZ)99497000000005463220240129c2002uuuu -u- -engTelecommunications : better coordination and enhanced accountability needed to improve spectrum managementWashington, D.CTelecommunicationsDOCUMENT9910693609503321Telecommunications455379UNINA