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GB/T 11299.3-1989
Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinations of sub-systems--Section three:Measurements in the i.f.range
GB/T 11299.12-1989
Methods of measurement for radio equipment used insatellite earth stations--Part 3:Methods of measurements for combination of sub-systems--Section two:Measurement of the figure of merit(G/T)of the receiving system in the 4GHz to 6GHz range
GB/T 11299.6-1989
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section one:General--Section two:Antenna(inculuding feed network)
GB/T 4958.11-1988
Methods of measurement for aquipment used in terrestrial radio-relay systems--Part 3:Simulated systems--Section three--Measurements for mono-chrome and colour television transmission
GB/T 4958.9-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Mesurements for sub-systems--Section nine--Stand-by channel switching equipment
GB/T 4958.12-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 3:Simulated systems--Section four--Measurementsfor f.d.m. transmission
GB/T 4958.13-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 3:Simulated systems--Section five--Measurement of mutual inter-ference
GB/T 4958.7-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section seven--Radio trsnsmitters
GB/T 4958.6-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section five--Frequency demodulators
GB/T 4958.5-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section four--Frequency modulators
GB/T 4958.8-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section eight--Radio receivers
GB/T 4958.4-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section one--General
GB/T 4958.10-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 3:Simulated systems--Section one--General
GB/T 4958.3-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 3:Simulated systems--Section six--Measurements for sound-programme transmission
GB/T 4958.2-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 3:Simulated systems--Section two--Measurements in the baseband
GB/T 6662-1986
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 1:Measurements common to sub-systems and simulated systems--Section three--Measurements in the intermediate-frequency range
GB/T 6667-1986
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section two:measurements in the antennas and passive repeaters
GB/T 4958.1-1985
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 1:Measurements common to subsystems and simulated systems--Section One--General