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

Figure 8

Delay offset caused by system channel setting up variation. (In this case, from 19:00~19:30 geodetic observation with different frequency set-up is conducted, when system parameters change back to OCEL observation, delay offset could be identified, most of O-C belongs to station clock.)