Coefficient files for the TS07 model can be downloaded from:

https://spdf.gsfc.nasa.gov/pub/data/aaa_special-purpose-datasets/empirical-magnetic-field-modeling-database-with-TS07D-coefficients/derived_products/ts07_coefficients/

or from:

https://rbspgway.jhuapl.edu/new_coeffs_mag_models_v02