Fig. 1.
From: Rapid modelling of the large-scale magnetospheric field from Swarm satellite data
The Swarm L2PS FTMM processing chain. The items feeding into the algorithm from the top are input data and models. Names containing: ‘AUX ’ are produced externally to the L2PS; ‘IGR’, ‘COR’, and ‘MCO ’ are core field models; ‘LIT ’ and ‘MLI ’ are lithospheric field models, and ‘MIO SHA 2C ’ is an ionospheric field model. The inputs with ‘F10’, ‘DST’, ‘KP’, and ‘IMF ’ are the F10.7 solar radio flux, Dst, Kp, and interplanetary magnetic field indices, respectively. ‘AUX OBS 2 ’ is observatory data and ‘MAGx LR 1B ’ is the Level 1b 1 Hz Swarm satellite data. ‘CM4 ’ is the Comprehensive Model version 4. The processing steps are described in Sections 2.1 to 2.11. The output of the chain is the FTMM, ‘MMA SHA 2F’.