Fig. 8

Amplitude factor of diurnal waves in the second station class. Amplitude factors of P1, K1 and ψ1 waves are normalized by the one of the O1 waves. All amplitude factors are then divided by their mean value for the convenience of comparison
Amplitude factor of diurnal waves in the second station class. Amplitude factors of P1, K1 and ψ1 waves are normalized by the one of the O1 waves. All amplitude factors are then divided by their mean value for the convenience of comparison