Fig. 11
From: Analysis of LNSS satellite occlusion in the southern polar region of the Moon based on DEM

Average positioning accuracy performance of the two hybrid constellations without (a–b) and with (c–d) terrain. Elevation mask angle: 5°, number of satellites: 9 (8 + 1NRHO), 2028.08.13. Black indicates that NVS are less than 4 and cannot be positioned.