State system for ensuring the traceability of measurements. Ultrasonic power in liquids. General requirements to measuring methods in the frequency range 0,5 to 25 MHz
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring radiation field parameters of antenna systems with operating dimensions of apertures from 0,40 to 0,75m at the frequency range from 8.2 to 40,0 GHz
