Jurassic Karst
Collected date : from 2009 ongoing
Hydrogeochemical monitoring of karst springs in the Jura mountains
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 ...