Monthly estimates of C(2,0) generated by GFZ from SLR satellites based on GFZ GRACE/GRACE-FO RL06 background models König, Rolf Rolf König 0000-0002-7155-6976 GFZ German Research Centre for Geosciences, Potsdam, Germany Schreiner, Patrick Patrick Schreiner GFZ German Research Centre for Geosciences, Potsdam, Germany Dahle, Christoph Christoph Dahle 0000-0002-4733-9242 GFZ German Research Centre for Geosciences, Potsdam, Germany