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Ionospheric propagation and radio noise
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Contributions �[�AI/Question:�212-1/3�]���Documents / Contributions
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Number�
Title Source AI/Question
 		Date
[ 86 ] �
� 		Information document on the analysis and validity of present ITU FOF2 and M(3000)F2 maps � � Germany (Federal Republic of) � 212-1/3 � 2011-10-05
[ 85 ] �
� 		Draft revision of Recommendations ITU-R P.1239-2 and ITU-R P.533-8 � � Germany (Federal Republic of) � 212-1/3 � 2011-10-05
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