Japanese disasters database
Collected date : from Sep 2020 to Sep 2021
Creators :
Chrono-environnement
Emmanuel Garnier
Based on the study of newspaper articles from the Japanese English-language newspaper ‘The Japan Times’, the database contains all the catastrophic events (tsunamis, earthquakes, typhoons, etc.) recorded since the creation of the newspaper in the 1860s. until the 1970s.
DCF77 time of flight measurement
Collected date : from 1 Nov 2016 ongoing
Creators :
Jean-Michel Friedt
DCF77 is a Very Low Frequency (VLF) emitter located in Mainflingen, Germany, about 400 km away from Besançon, France. The objective of the collected data is to measure the time of flight of the 77.5 kHz signal with respect to GPS 1 PPS used as reference, and assess the dependence with ionospheric ...
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