Table 2: Loess permittivity with different moisture contents under different frequencies.

Moisture content (%)εRADAN900εRADAN400εRADAN2G

104.063.965.21
134.824.266.01
165.985.787.12
196.996.658.93
228.988.3710.98
2511.4310.8612.88
2813.2112.5614.98
3115.4314.7717.12
3418.1217.3619.57
3720.9820.3222.23