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Table 4 Linear fitting coefficients and correlation between the prediction of the daily variation and the magnetic field data

From: Evaluation of the Solar Quiet Reference Field (SQRF) model for space weather applications in the South America Magnetic Anomaly

Year

Month

a (nT)

b

r

RMSE (nT)

2019

1

0.22

1.08

0.986

2.83

2

1.83

1.07

0.990

3.44

3

1.65

1.21

0.987

5.27

Average

1.23

1.12

0.988

3.85

  1. The predicting Sq-H field was based on the modeled CXP station parameters based on the data from 2010 to 2018