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Spaceborne Radar Sounder Must Protect Incumbents: ARRL

Any FCC recommendation of U.S. support for possible consideration a spectrum allocation for space-based radar sounders in the 40-50 MHz range at the 2023 World Radiocommunication Conference should be conditioned on the recommendation explicitly saying incumbents in adjacent frequency bands…

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are protected and not constrained, ARRL said in docket 16-185 Friday. Amateur radio service has a primary allocation in the U.S. at 50-54 MHz, it said.