WEAK SUDDEN IMPULSE DETECTED (40nT) IN IPS MAG DATA 11 10 01 1701UT Mean Mag Parameters Pre/Post Impulse: Pre Post Pre/Post Stn Unit Impulse Impulse Change dwn nT 56.3 92.3 35.9 hbt nT 86.2 126.6 40.4 cbr nT 25.1 70.9 45.8