Table 2. The percent standard relative deviation of data from their respective medians for F2 peak altitude, F2 critical frequency, and propagation factor for 1987 low and 1990 high solar activity conditions.
Parameter | Season | 1987 low flux | 1990 high flux |
|---|---|---|---|
Percent relative deviation | |||
h m F 2 | Jan | 8.1 | 11.6 |
Apr | 9.6 | 10.7 | |
Jul | 11.1 | 12.1 | |
Oct | 10.4 | 13.3 | |
f o F 2 | Jan | 23.2 | 21.1 |
Apr | 20.4 | 23.7 | |
Jul | 19.5 | 20.5 | |
Oct | 16.6 | 12.1 | |
M (3000) F 2 | Jan | 6.3 | 11.6 |
Apr | 8.7 | 11.0 | |
Jul | 8.7 | 13.7 | |
Oct | 10.1 | 12.3 | |