sheath impedance

Ozaki, M., Yagitani, S., Takahashi, K., Imachi, T., Koji, H., & Higashi, R. (2014). Equivalent Circuit Model for the Electric Field Sensitivity of a Magnetic Search Coil of Space Plasma. Ieee Sensors Journal, 1-1. http://doi.org/10.1109/JSEN.2014.2365495 (Original work published October 2014)
Hartley, D., Kletzing, C., Kurth, W., Bounds, S., Averkamp, T., Hospodarsky, G., et al. (2016). Using the cold plasma dispersion relation and whistler-mode waves to quantify the antenna sheath impedance of the Van Allen Probes EFW instrument. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2016JA022501 (Original work published May 2016)