On-site experiments and electromagnetic modelling to characterize Corona discharges in VHF-band

Corona discharges have been shown to disrupt aeronautical
VHF communications after some research on broadband
noises carried out by the Electromagnetics and Antennas
research group of ENAC laboratory.
A stand-alone measurement device is set up and installed on a
25 m test tower to characterize corona discharges events.
The measurements show differences in behavior and coupling
mode whether the discharges are positive or negative.
In addition to this experimental work, an electromagnetic
modelling has been done using the experimental
measurements in order to reproduce experimental results and
retrieve the coupling mechanisms between the positive and
negative discharges on the pylon.