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Earth, Planets and Space

Table 2 Permittivity of the samples having 40% porosity at \(-20\,^\circ \hbox {C}\)

From: Laboratory measurements show temperature-dependent permittivity of lunar regolith simulants

Sample

2 GHz

3 GHz

4 GHz

5 GHz

6 GHz

Anorthosite

2.802 ± 0.028

2.805 ± 0.028

2.875 ± 0.028

2.905 ± 0.028

2.922 ± 0.029

Basalt

3.199 ± 0.073

3.218 ± 0.068

3.253 ± 0.073

3.295 ± 0.072

3.313 ± 0.077

Dunite

2.970 ± 0.026

3.002 ± 0.026

3.036 ± 0.026

3.069 ± 0.027

3.085 ± 0.026

Ilmenite

N/A

N/A

N/A

N/A

N/A

  1. The value shows the average of 5 points below and 5 points above each frequency (e.g., the average of the permittivity from 1.984 to 2.018 GHz in the case of 2 GHz)
  2. In the case of 6 GHz, it is averaged with the 10 points only below the frequency (i.e., the average of the permittivity from 5.966 to 6.000 GHz). The permittivity of ilmenite is not measured because the limitation of stabilisation
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