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Fig. 15.4. Trajectory of satellite AUREOL-3 during the MASSA experiment: 1)
location of the satellite at time of the explosion, 2) point where the satellite trajec-
tory intersects the explosion's field tube, and 3) location of the satellite above the
shot size
The Alfven Pulse
Measurements by an airborne magnetometer showed a significant magnetic
variation at t = 298 s at a distance of about 700 km from the explosion's field
tube, and L =1 . 31 (see Fig. 15.6) ([5], [6]). Characteristic features of this
Fig. 15.5. Theelectricalfieldforaseriesofbandfiltersintherange10to200
Hz at the intersection of the explosion's magnetic field tube (left panel. Arbitrary
units). The dashes are the background of the EZ-component (approximately along
the magnetic field) and the EH-component (across the field). EH and EZ at fre-
quencies 15 and 4.5 kHz along the orbit is shown in the right panel. The background
noise level is shown by the dashed lines
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