Ionosonde Data in JAPAN

Ionosonde Stations in Japan(more info.

There are some time differences (up to 120 sec) between the timestamp and the actual observation start time in the ionograms obtained by regular ionosonde observations with 15-min interval (more info. ).


  Color   Monochrome   Database

 Ionospheric parameters from Ionogram

 Summary ionogram

  Plot of Ionospheric parameters

 Plot of Ionospheric parameters for long term


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