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