730 RADIO COMMUNICATION AND TELECOMMUNICATION TESTING, MEASURING, AND ANALYZING EQUIPMENT, ACCESSORIES AND SUPPLIES 73006 * Calibrators: Resistance, Power, Voltage, Time, etc. 73012 * Computer-Automated Measurement and Control (CAMAC) Systems and Devices, All Kinds 73018 * Converters: Analog-to-Digital, Digital-to-Analog, Time-to-Amplitude, etc. 73024 * Counters, Ratemeters, Scalers, Timers, etc. (For Electronic Pulses) 73030 * Discriminators and Burst Protectors 73032 * Distortion Measurement Equipment (For Audiofrequency, Radiofrequency, etc.) 73036 * Field Strength Meters (Microwave Power, etc.) and Monitoring Systems 73042 * Function Generators (Pulse, Ramp, Sweep, etc.) and Oscillators 73049 * Logic Analyzers, Microprocessor Analyzers, and Accessories: Delay and Gate Generators, Personality Modules, Word Recognizers, etc. 73054 * Measuring Instruments, Analog and Digital (For Capacitance, Current, Frequency, Impedance, Power, Resistance, Sound Level, Voltage, etc.) 73060 * Oscilloscopes, Waveform Analyzers, and Accessories 73066 * Pulse Height Analyzers, Single Channel and Multichannel 73072 * Radio, Sound, and Telecommunications Testing Equipment: AF Generators, Deviation Meters, Meter Panels, Test Fixtures and Jigs, etc. 73078 * Signal Averagers, Integrators, etc. 73084 * Spectrum Analyzers: Radio Frequencies, Sound, etc. 73086 * Telephone Line Monitoring Systems 73090 * Video Testing Equipment: Color Bar Generators, Vectorscopes, Waveform Monitors, etc. 73096 * Tube Testers: Radio, TV, etc.