Lunar Radiometric Measurement Based on Observing China Chang’E-3 Lander with VLBI—First Insight

Figure 7

Phase offset between the altering scans of station NYALES20 in OCEL09. (In this case, the integration time is 1s, phase offset between reference quasar and lunar lander is as large as 16.5°, which equals 1.2ns offset in the group delay observable.)