HALCYON

Analog and Digital Voice Band Circuit Test Sets Digital Displays, CRT-Y Plotters, Event Recorders, Dual Memory Storage Scopes, Phase Jitter Test Sets, Analog Displays, Audio Monitors, Auxiliary Scope Outputs, Telephone Line Test Generators, Transmission Line Monitors, Transmission Test Sets for Measuring Transmission Level Frequency and Noise, Equilizers, Multiplexers, Wide Band Test Sets for Performing General Measurements on Voice Grade, Program, and Wide Band Carrier Channels, Data Link Analyzers, Data Link Monitor, Data Monitors, Modems, Protocol Processors and Parts Therefore