Oscillogram of the recording presented in Figure 13. Since each microphone faces in another cardinal direction, the amplitude of audio signals differs considerably between channels.

 
 
  Part of: Wägele JW, Tschan GF (2024) Weather stations for biodiversity: a comprehensive approach to an automated and modular monitoring system. Advanced Books, Pensoft, Sofia, 1-218. https://doi.org/10.3897/ab.e119534