Table 2 Coefficients of a linear fit \( N_{\text{m}} F2\text{(CADI)} = a \cdot N_{\text{m}} F2\text{(RKN)} + b \) to the scatter plots of RKN electron density versus CADI (Fig. 6)
a | \( b\,\text{(} \times 10^{11} \;\text{m}^{ - 3} \text{)} \) | Correlation coefficient | Number of points | |
|---|---|---|---|---|
Night | 1.92 | − 0.93 | 0.39 | 2764 |
Dawn | 1.56 | − 0.83 | 0.45 | 2110 |
Day | 1.11 | − 0.35 | 0.59 | 4048 |
Dusk | 1.42 | − 0.53 | 0.47 | 3909 |