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Table 1 Data of two typical PLHR events

From: Conjugate observations of power line harmonic radiation onboard DEMETER

Event

Date

∆f [Hz]

PSD [μV2m−2 Hz−1]

Total PSD [μV2m−2]

SNR [dB]

MLat

L

PLE [μV2m−2 Hz−1]

A

02/01/2010

+ 3

0.017

0.052

9.42

16.8–22°N

1.14–1.24

1.15

B

02/02/2010

0

0.022

0.048

11.38

22–33°S

1.20–1.75

No

  1. f is the maximum frequency deviation of spectral lines from the exact harmonic frequencies of 50 Hz; PSD is the maximum peak power spectral density; Total PSD is the total power spectral density of PLHR spectral lines; SNR is the signal-to-noise ratio; MLat is the geomagnetic latitude; L is L-shell value; and PLE represents the peak power spectral density of PLE which accompanies PLHR