• PI 4100 Medium Wave Field Strength Meter

    520 kHz to 5.1 MHzA third generation of precision survery instrumentation for direct measurement of the electromagnetic field strength.

  • SD-31 Frequency Synthesizer-Detector

    A Synthesizer-Detector providing a high output crystal signal generator of precisely known frequency combined with a sensitive, selective detector for RF bridge measurements of AM antenna impedance.

  • 1900 Series Digital Antenna Monitors

    AM broadcast antenna control/measurement circuitry for up to 12 towers with digital display of all measurements, local operating controls, and an interface to remote controls.