* You can find the most recent solutions here: https://seafile.cloud.uni-hannover.de/d/b63a279079c64024ba1e/ Unconstrained GRACE Follow-On monthly gravity field solutions from K-band range-rates and kinematic orbits. Processing details can be found in the following article: Koch I., Duwe M., Flury J., Shabanloui A. (2021): Earth’s Time-Variable Gravity from GRACE Follow-On K-Band Range-Rates and Pseudo-Observed Orbits, Remote Sens. 2021, 13(9), 1766; https://doi.org/10.3390/rs13091766.