Radio-Acoustic Study of Thunderstorms

The observation, in the past, that a thunderstorm perturbed transmissions of an old vacuum tubes radio with noise discharges correspondence lightnings, suggested possibility radio-acoustic study thunderstorms. appeared to convey not only information about but also any other electromagnetic phenomena generating discharges. low-cost instrumentation involved study, comprised Telefunken mod. T33B, 15 m long indoor wire antenna, mobile telephone Samsung Galaxy S20 FE 5G provided recorder App Enregistreur vocal, computer HP Pavillion dv5-1254eg and s/w audio analyser Audacity. A first on 20 June 2023 second 22 2023, both above Munich, were studied. was more active than released much energy.