Raw data to reproduce Fig. 3

column 1: time in seconds
column 2: time in minutes
column 3: time in hours
column 4: TRM intensity in A/m
column 5: CRM intensity in A/m
column 6: R=sqrt(TRM*TRM+CRM*CRM) in A/m
column 7: cos(x)=CRM/R
column 9: acos(x) in rad
column 10: acos(x) in °