Example:
15 GHz = 5.003461e+19 wavelength in exametres
1 GHz = 3.335641e+18 wavelength in exametres | 1 wavelength in exametres = 2.997925e-19 GHz
Conversion Steps:
15 × (1e+9 / 2.997925e-10) = 5.003461e+19