During January 1999 the Sun had staked 55 geomagnetic
quiet (A<20 nT) and 7 geomagnetic stormy (A>20nT) semi-diurnal intervals
: Jan.13, second; Jan.14; Jan.15, first; Jan.22, second; Jan.23,
second; Jan.24, first.
SEC has predicted all of 55 GQIs and none of GSIs.
SSM has predicted 48 GQIs and 2 GSIs (underlined above).
So one can see:
Rating list for Jan.99
| Place |
GDIs |
GSIs |
Total |
| 1 |
SEC : 1.00 |
SSM : 0.29 |
SEC : 0.89 |
| 2 |
SSM :0.87 |
SEC : 0.00 |
SSM : 0.81 |