Table 4 Detailed orbit data at N and S during daytime
From: Conjugate observations of power line harmonic radiation onboard DEMETER
Zone | Months | ‘Exact’ (number of quiet) | ‘pre3days’ (number of quiet) | ||
|---|---|---|---|---|---|
‘PLHR’ | ‘Normal’ | ‘PLHR’ | ‘Normal’ | ||
N | Apr–Sep | 1 (1) | 83 (77) | 1 (1) | 83 (53) |
Jan–Mar and Oct–Dec | 21 (19) | 71 (70) | 21 (19) | 71 (64) | |
S | Apr–Sep | 0 (0) | 56 (50) | 0 (0) | 56 (29) |
Jan–Mar and Oct–Dec | 10 (9) | 48 (47) | 10 (8) | 48 (42) | |