tal frequency, ?? is radial frequency as a function of f, T is incremental ambient temperature in K, ??D is an ice dielectric relaxation time, ??s is a static dielectric permittivity of ice, ??inf is a high-frequency permittivity of ice, ??inf is a high-frequency conductivity of ice, GO is a static conductivity of ice, ??inf is an ice permittivity (e.g., as a function of frequency f and temperatur