Huang, Z., Liang, Y., Knieps, A., Drews, P., Killer, C., Nicolai, D., Geiger, J., Höschen, D., Satheeswaran, G., Liu, S. C., Grulke, O., Jakubowski, M., Brezinsek, S., Neubauer, O., Schweer, B., Li, Y. L., Cai, J. Q., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2019). Edge radial profile measurement of magnetic fluctuations using 3D pick up coils and a differential coil on W7-X. Poster presented at 46th EPS Conference on Plasma Physics, Milan.