Variable resistors. Test methods of easy running of motion smoothness, torque moment (stress of motion), starting (stress) torque movable system of resistor, operation of moment (stress) of resistor switch
State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring intensities ratio distributions and phase shift angle in aperture field of antenna systems with operating dimensions from 3x3 to 6x12 m2 at the frequency range from 2,5 to 4,0 and from 8,2 to 12,0 GHz