MesuresRecorder email address of the provider email address of the collaborators separated by space registered in the sites list registered in the stations list free text that specifies the reference point used to calculate the saved depth in the column relative_z French NGF altitude -estimated above sea level- of the point used as a reference for the depths, in meters depth in meters calculated by reference to the reference point dd/mm/yyyy hh:mm:ss registered in the device list in nm/s-2 in nm/s-2 in hPa in nm/s2 in nm/s-2 in nm/s-2 in nm/s2 url of the calibration file with the calibration coefficient, the vertical gradient, the gravity reference, the drift and errors registered in the experiments list