From: How does ionospheric TEC vary if solar EUV irradiance continuously decreases?
Month | GEC-EUV increase rate |
---|---|
January | 0.422 |
February | 0.513 |
March | 0.602 |
April | 0.580 |
May | 0.435 |
June | 0.342 |
July | 0.314 |
August | 0.365 |
September | 0.462 |
October | 0.565 |
November | 0.510 |
December | 0.436 |