FIELD: radio-engineering.
SUBSTANCE: invention refers to electric communication equipment, and can be used in railway transport for controlling channel parameters of train, station and other types of radio communication, as well as in radio monitoring systems of various purpose. Therefore various wave-range antennae of the device are connected to the appropriate inputs of antenna switching unit connected to measuring receiver; computing unit is connected to measuring receiver output connected to output of distance indicator; the first control output is connected to control input of antenna switching unit; the second control output is connected to control input of measuring receiver; the third control output is connected to control input of radio station, as well as test oscillator; there introduced is in-series connected additional test antenna and interface device the input whereof is connected to the output of test oscillator tuned as to frequency and amplitude; and control input of test oscillator is connected to the fourth control output of computing unit.
EFFECT: enlarging functionality of system in test mode, and improving measurement result accuracy.
1 dwg
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