The delays between spread-F and magnetic activity vary with latitude in a way that is shown to be different at different parts of the solar cycle. The positive correlation between spread-F and magnetic activity observed at high latitudes during sunspot maximum changed to negative during sunspot minimum
After discussing some examples of mid-latitude spread-Es this paper presents distributions showing t...
A comparative study aimed to investigate the equatorial and low-latitude spread-F occurrences for mo...
The variations of the diurnal range of the geomagnetic field with sunspot number and with magnetic a...
The delays between spread-F and magnetic activity vary with latitude in a way that is shown to be di...
The correlation between night time values of spread-F indices, magnetic K-indices and h'maxF values ...
80-88Using superposed-epoch methods the delayed occurrence of mid-latitude spread-F following times ...
321-327The relation between magnetic activity and sporadic-E has been studied at low and middle lati...
The use of the word “aurora” for many different observations at high latitudes has limited the conce...
Abstract This short paper presents the statistics of spread-F occurrence at four low-mid latitude lo...
Characteristics of latitude variations of sunspots in the northern and southern hemispheres are inve...
261-263The results of the variation of the peak occurrence (evaluated as percentage) of sporadic-E d...
263-265Occurrence of spread-F at Kodaikanal for the period 1956-66 is examined in relation to the ge...
Using the data of Moscow station for 1975-1985, the seasonal features in the dependence of the sprea...
16-20Delayed spread-F occurrence as recorded by ionograms, following geomagnetic activity (GA) has ...
Variations in the critical frequency of the E layer, foE, measured at Boulder and Tashkent stations ...
After discussing some examples of mid-latitude spread-Es this paper presents distributions showing t...
A comparative study aimed to investigate the equatorial and low-latitude spread-F occurrences for mo...
The variations of the diurnal range of the geomagnetic field with sunspot number and with magnetic a...
The delays between spread-F and magnetic activity vary with latitude in a way that is shown to be di...
The correlation between night time values of spread-F indices, magnetic K-indices and h'maxF values ...
80-88Using superposed-epoch methods the delayed occurrence of mid-latitude spread-F following times ...
321-327The relation between magnetic activity and sporadic-E has been studied at low and middle lati...
The use of the word “aurora” for many different observations at high latitudes has limited the conce...
Abstract This short paper presents the statistics of spread-F occurrence at four low-mid latitude lo...
Characteristics of latitude variations of sunspots in the northern and southern hemispheres are inve...
261-263The results of the variation of the peak occurrence (evaluated as percentage) of sporadic-E d...
263-265Occurrence of spread-F at Kodaikanal for the period 1956-66 is examined in relation to the ge...
Using the data of Moscow station for 1975-1985, the seasonal features in the dependence of the sprea...
16-20Delayed spread-F occurrence as recorded by ionograms, following geomagnetic activity (GA) has ...
Variations in the critical frequency of the E layer, foE, measured at Boulder and Tashkent stations ...
After discussing some examples of mid-latitude spread-Es this paper presents distributions showing t...
A comparative study aimed to investigate the equatorial and low-latitude spread-F occurrences for mo...
The variations of the diurnal range of the geomagnetic field with sunspot number and with magnetic a...
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