Ocean Acoustic Developments Limited
Registered in England
Company registration number: 2701991
VAT Number: GB 557 5191 19
Registered Address: Metherell Gard, Burn Vue, Bude, EX23 8BX
Pendower, Leverlake Road, Widemouth Bay, Bude, Cornwall, EX23 0AF, UK
© Ocean Acoustic Developments Ltd 
The text and images contained on this site are protected by copyright. Users may not copy any of the contents of this site, either in whole or in part, without the express written permission of Ocean Acoustic Developments Ltd.
Helicopter image with dipping sonar being deployed is © Mark Greenough (2005).
Several images on this website are © Crown Copyright and contains public sector information licensed under the Open Government Licence v1.0. This can be viewed here.
The HODGSON Propagation Loss Model is British Crown Copyright.
Hodgson2 Propagation Loss Model is OAD Copyright.
The RAM propagation loss model was produced at the Naval Research Laboratory (NRL), Washington DC, USA by Michael D Collins.
The information contained in this website is for general information purposes only. The information is provided by Ocean Acoustic Developments Ltd (OAD) and while we endeavour to keep the information up to date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information, products, services, or related graphics contained on the website for any purpose. Any reliance you place on such information is therefore strictly at your own risk.
In no event will OAD be liable for any loss or damage including without limitation, indirect or consequential loss or damage, or any loss or damage whatsoever arising from loss of data or profits arising out of, or in connection with, the use of this website. Whilst OAD make every effort to ensure the security of this website, we do not guarantee that the servers will be error/virus free; it is the responsibility of the user to guard against such threats and take relevant precautions when using and/or downloading from it.
Every effort is made to keep the website up and running smoothly. However, OAD takes no responsibility for, and will not be liable for, the website being temporarily unavailable due to technical issues beyond our control.
WADER, MIMIC, WADER32, H2.0, Hodgson2, Hodgson2 (H2.0), W32, WADER Lite and HARCAM are all UK Registered Trademarks ® of Ocean Acoustic Developments Ltd.