See paper: Marlton, G. J., Charlton‐Perez, A. J., Harrison, R. G., Blanc, E., Evers, L., Le-Pichon, A., & Smets, P. S. M. (2019). Meteorological source variability in atmospheric gravity wave parameters derived from a tropical infrasound
station. Journal of Geophysical Research: Atmospheres, 124. https://doi. org/10.1029/2018JD029372 for more details.