At the end of February 2024, the GDC team's first GDC-specific science paper was published. It is titled "Gradient calculation techniques for multi-point ionosphere/thermosphere measurements from GDC" and appears in Volume 11 of the journal Frontiers in Astronomy and Space Sciences.
Building on the experience of multi-satellite missions like Swarm, Cluster, MMS, and Van Allen Probes, GDC is developing methods to combine measurements from its six spacecraft to accurately characterize variation in the ionosphere and thermosphere as a function of latitude, longitude, and time. The technique outlined in this paper, first pioneered by Johan deKeyser for the Cluster mission, represents one of several approaches GDC will use to estimate spatial gradients of physical parameters and time rates of change.
The paper can be accessed and downloaded for free here:
https://doi.org/10.3389/fspas.2024.1231840