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Monthly global RMS of the laser ranging interferometer‐K/Ka‐band ranging (LRI‐KBR) solution difference maps shown in Figure 7, C20 is excluded (blue) and Sun angle beta’ (gray). For comparison, the RMS of the difference of the solutions from each instrument and GGM05C, excluding all coefficients of degrees lesser than 15 are also shown (red: LRI, black: KBR). The green band represents a timeline of the evolution of the near‐repeat groundtrack misclosure.
