
ITU-R RA: Radioastronomy
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ITU-R RA Radioastronomy RA.314 Preferred frequency bands for radio astronomical measurements RA.479 Protection of frequencies for radioastronomical measurements in the shielded zone of the Moon RA.517 Protection of the radio astronomy service from transmitters operating in adjacent bands RA.611 Protection of the radio astronomy service from spurious emissions RA.769 Protection […]