EMF 50 Hz only used in Nbs 50 Khz Phase Angle Calibration on down to 30 Hz but higher can break the Spectrum Frequency is Law not on Humans Brain into Tagging

Nbs 50 Khz Phase Angle Calibraion Standard [PDF 4377 KB]

Commerce Department. National Institute of Standards and Technology. 1986.

... Figure 7.4, Linearity Test (30 kHz) 70 Figure 7.5, Frequency Spectrum (50 and 60 Hz) 71 Figure 7.6... 30 kHz 0.027 degrees at 50 kHz 0.040 degrees Systematic Uncertainty (Amplitude Ratio 7:1) at 60 Hz 0... A 11 10 2 MflTbbb NATL INST OF STANDARDS & TECH R.I.C. A1 11 02489666 Turgel, R. S/NBS 50... More Information