Institute for Telecommunication Sciences 2 articles published in JoVE Engineering Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements Chriss A. Hammerschmidt1, Robert T. Johnk1, Savio Tran1, Mike Chang1 1National Telecommunications and Information Administration, Institute for Telecommunication Sciences This report describes the setup, validation and verification, and results from propagation measurements using a continuous-wave, radio frequency channel-sounding measurement system. Engineering Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels Chriss Hammerschmidt1, Robert T. Johnk1, Savio Tran1 1National Telecommunications and Information Administration, Institute for Telecommunication Sciences This protocol describes best practices for calibrating a vector network analyzer prior to use as an accurate instrument, intended to measure components of a radio frequency propagation measurement test system.