Expanding available radio frequenciesBroaderCoordinating radio frequenciesYet to rateConstrainsRegulating use of radio frequenciesYet to rate ProblemLimited number of available radio frequenciesYet to rateSDGMetadataDatabaseGlobal strategiesType(G) Very specific strategiesSubjectFundamental sciences » RadiationTransportation, telecommunications » RadioContent qualityYet to rate Yet to rateLanguageEnglishLast updateDec 3, 2024