
ITU-R RA: Radioastronomy
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ITU-R RA
Radioastronomy
Preferred frequency bands for radio astronomical measurements
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Protection of frequencies for radioastronomical measurements in the shielded zone of the Moon
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Protection of the radio astronomy service from transmitters operating in adjacent bands
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Protection of the radio astronomy service from spurious emissions
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Protection criteria used for radio astronomical measurements
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Protection of the radio astronomy service in frequency bands shared with other services
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Protection of the radio astronomy service from unwanted emissions resulting from applications of wideband digital modulation
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Protection of radio astronomy measurements above 60 GHz from ground based interference
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A radio-quiet zone in the vicinity of the L2 Sun-Earth Lagrange point
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Levels of data loss to radio astronomy observations and percentage-of-time criteria resulting from degradation by interference for frequency bands allocated to the radio astronomy service on a primary basis
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Technical and operational characteristics of ground-based astronomy systems for use in sharing studies with active services between 10 THz and 1 000 THz
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Reference radio astronomy antenna pattern to be used for compatibility analyses between non-GSO systems and radio astronomy service stations based on the epfd concept
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Mutual planning between the Earth exploration-satellite service (active) and the radio astronomy service in the 94 GHz and 130 GHz bands
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Preferred frequency bands for radio astronomical measurements in the range 1-3 THz
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