Software included allows to display 16 parameters and to make 24 hours Logs of the Radio performance. It measures%Modulation, Field Intensity, Carrier deviation, L & R audio level, Effective Integrated Power, Stereo Phase Vector, Pilot Level and Freq. Error, Multipath, L & R Noise, Channel separation, Band Scanner, Spectrum Analyzer, Modulation Bandwidth,Harmonic Distortion, and Audio Frequency response. Allduring the normal radio program, without the need of interrupting the transmission. Model VA16/RK is for 19”rack or table top use.