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In a substorm event that occurred at 0153 UT on 2 July 1996, the Geotail spacecraft observed several tailward flows with southward magnetic fields at X  7 R E , which we interpret

The authors speak about 100 ppb of NO observed by HALOE in the mesosphere only in January 2004 at mid-latitudes, and state that ‘‘there was sufficient mesospheric NO available

This contribution describes the first step into this direction: The nocturnal transionospheric attenuation of 100 kHz radio waves from LORAN transmissions is determined by

A kinetic model of electron energy deposition is used to determine optical emissions and electron heating, and a fluid approach is used to capture the ionospheric upflow

The reason is that although the relative number of wave intensity decreases is equal to 1 for large shallow earthquakes, it does not mean that the cumu- lative probabilities are

[ 26 ] Figures 8 and 9 suggest that there is a connection between the frequency deviation of individual lines forming the PLHR events from the exact harmonic multiples of power

In the entire data set, we have found only 58 cases of PLHR-like events which can be divided into three classes: (1) 10 events where the frequency separation of spectral lines is

six FREJA time-frequency points, computed using the following three methods (from top to bottom): the entropy regularization algorithm (ERA), the Gaussian peaks method (GP), and