Table 3: Representation of G7 by sine functions S = A∙sin (2πf∙(yr - 1)+φ) , f - frequency, p - period, A - amplitude (amplitudes multiplied with a common arbitrary factor for clarity of Fig. 3, φ- phase in radians.

f [1/yr] p = 1/f [yr] A φ
0.0009973 1002.7 0.3178 1.557
0.0021609 462.8 0.2840 0.097
0.0053191 188.0 0.2527 5.599
0.0154588 64.7 0.0899 1.990