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Underwater Noise Measurement 
Intercalibration Practices Experience 
Fritjof Basan, Jens-Georg Fischer, Emilia Lalander, 
Mathias Andersson, Markus Linne, Jakob Tougaard, 
Emily T. Griffiths, Michael Ladegaard, Aleksander Klauson, 
Mirko Mustonen, and Viivi Pöyhönen 
Contents 
Introduction ................4. 
Background and Methods ................ 
Pistonphone Checks ..................... 
Free-Field Calibrations .................- 
Zacilities and SCI. 44: ca DER EEE LE EEE 
ProjectOr 20.0.0 EEE 
Calibration UncertaintyY ......00000000 ern eeeeee RE LKEK REEL 
ındoor Basin (Tank Calibration) .................. 
OPEN ACCESS with major support from JücQ 
F. Basan (X) : J.-G. Fischer 
Federal Maritime and Hydrographic Agency (BSH), Hamburg, Germany 
e-mail: fritjof.basan@bsh.de; jens.fischer@bsh.de 
£. Lalander * M. Andersson : M. Linne 
Swedish Defence Research Agency (FOI), Stockholm, Sweden 
e-mail: emilia.lalander@foi.se; mathias.andersson@foi.se; markus.linne@foi.se 
J. Tougaard : E. T. Griffiths 
Department of Ecoscience, Aarhus University (AU), Roskilde, Denmark 
e-mail: jat@ecos.au.dk; emilygriffiths@ecos.au.dk 
M. Ladegaard 
Department of Biology, Aarhus University (AU), Aarhus, Denmark 
e-mail: michael.ladegaard@bio.au.dk 
A. Klauson * M. Mustonen 
Tallinn University of Technology, Tallinn, Estonia 
e-mail: aleksander.klauson@taltech.ee; mirko.mustonen@taltech.ee 
V. Pöyhönen 
Finnish Environment Institute (SYKE), Helsinki, Finland 
e-mail: viivi.poyhonen@syke.fi 
© The Author(s) 2026 
A. N. Popper et al. (eds.), ZThe Effects of Noise on Aquatic Life IV, 
https://doi.org/10.1007/978-3-031-94229-7_166-1