Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - Airborne sound insulation under direct sound field conditions
Edition 2023-12

Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values
Edition 2009-03

Methods of measurement for equipment used in digital microwave radio transmission systems. Part 1: Measurements common to terrestrial radio-relay systems and satellite earth stations. Section 2: Basic characteristics
Edition 1995

Methods of measurement for equipment used in digital microwave radio transmission systems. Part 1: Measurements common to terrestrial radio-relay systems and satellite earth stations. Section 3: Transmission characteristics
Edition 1995

Methods of measurement for equipment used in digital microwave radio transmission systems. Part 1: Measurements common to terrestrial radio-relay systems and satellite earth stations. Section 3: Transmission characteristics
Edition 1995

Methods of measurement for equipment used in digital microwave radio transmission systems. Part 1: Measurements common to terrestrial radio-relay systems and satellite earth stations. Section 4: Transmission performance
Edition 1995

Methods of measurement for equipment used in digital microwave radio transmission systems. Part 1: Measurements common to terrestrial radio-relay systems and satellite earth stations. Section 4: Transmission performance
Edition 1995

Methods of measurement for equipment used in digital microwave radio transmission systems. Part 2: Measurements on terrestrial radio-relay systems. Section 4: Transmitter/receiver including modulator/demodulator
Edition 1995

Methods of measurement for equipment used in digital microwave radio transmission systems. Part 2: Measurement on terrestrial radio-relay systems. Section 4: Transmitter/receiver including modulator/demodulator
Edition 1997-12

Methods of measurement for equipment used in digital microwave radio transmission systems. Part 2: Measurements on terrestrial radio-relay systems. Section 5: Digital signal processing sub-system
Edition 1995