Fig. 7
From: Predicting EMI in UAVs using characteristic mode analysis: a case study of the DJI Phantom 4

Surface-current distribution of Mode 9 of the Phantom 4 UAV structure at: 2.41Â GHz (a) view 1, (b) view 2, (c) coupled current to the wires, and (d) The radiation pattern of total E-field magnitude.