Detecting Electromagnetic Geographical Environment Changes Based on the Frequency-Intensity Curve

Table 5

Number of anomalous points in each frequency.

Frequency (Hz)	Electric field		Magnetic field		High-frequency electric field
	0~100 K	100 K~200 K	0~100 K	100 K~200 K	200 K~10 M	10 M-2 G
Number of points	340	484	354	513	631	478