public CountAttenuationPerRangeCommand(ModelAttenuationCharacteristicsViewModel pModel)
 {
     mModel = pModel;
 }
        public void CreateCharacteristics()
        {
            var viewModel = new ModelAttenuationCharacteristicsViewModel(mPropagationModel);
            var characteristics = new ModelAttenuationCharacteristicsWindow { DataContext = viewModel };

            characteristics.ShowDialog();
        }