Calibration of the superconducting gravimeter based on a cold atom absolute gravimeter at NIM Project supported by the National Key Research and Development Program of China (Grant Nos. 2016YFF0200103 and 2016YFF0200200) and the Fundamental Research Funds for National Institute of Metrology, China (Grant No. 22-AKY1608). |
(color online) Calibration factors of the SG iGrav-012 during different experiments based on an FG5X (blue dots) and a CAG (red dot). The black dashed line shows the weighted average of all the calibration factors. The 1‰ error range around the average is displayed in gray. |