The receiver is a single hydrophone version and a 4-channel version is under development. Control of the deployed instruments from ship by using underwater acoustic communication modems is under studies too.
Acknowledgement : Numerous people both from Ifremer and small companies contributed to build this new instrumentation : F. Gaillard, C. Gac, Y. Le Gall, B. Leduc, M. Derrien, R. Person from IFREMER. G. Ayela, D. Fellman, O. Galland from ORCA Instrumentation, G. Grosso from ERAMER and M. Jacob form MICREL.
References
[1] Munk, W., and C. Wunsch, Ocean acoustic tomography : a scheme for large scale monitoring. Deep-Sea Res., 26, 123-161, 1979.
[3] Terre, T., C. Gac, F. Gaillard, B. Leduc, Y. Le Gall, R. Person, A new instrumentation for Ocean Acoustic Tomography, Proc. 4th European Conference on Urrderwater Acoustics, Roma, Italy, 1998
[4] Munk, W., P. Worcester and C. Wunsch, Ocean Acoustic Tomography, Cambridge University Press, 1995.
