VLF transmitters

Gu, W., Chen, L., Xia, Z., & Horne, R. (2021). Direct evidence reveals transmitter signal propagation in the magnetosphere. Geophysical Research Letters, n/a, e2021GL093987. http://doi.org/https://doi.org/10.1029/2021GL093987 (Original work published July 2021)
Foster, J., Erickson, P., Omura, Y., & Baker, D. (2020). The Impenetrable Barrier: Suppression of Chorus Wave Growth by VLF Transmitters. Journal Of Geophysical Research: Space Physics, 125, e2020JA027913. http://doi.org/https://doi.org/10.1029/2020JA027913 (Original work published September 2020)