Table 8: Root mean square errors associated with soil moisture retrieval from the PALS LVV band by the statistical regression technique [41].

Calibration daysNoteVWC < 1.01 < VWC < 2.52.5 < VWC < 3.53.5 < VWC < 4.5VWC > 4.5

178, 1891 dry, 1 wet0.04300.03600.04740.05170.0505
176, 186, 1891 dry, 2 wet0.04240.03480.05110.04540.0505
178, 188, 1891 dry, 2 wet0.04300.03600.04980.05110.0507
176, 178, 1892 dry, 1 wet0.04470.03750.04780.05170.0505
176, 178, 1872 dry, 1 wet0.04410.04190.04650.04850.0517
188, 1892 wet0.04850.06650.07610.0507
176, 1782 dry0.06370.07310.0474