Sonar Range Prediction & Global Ocean Information System Previewed

Ocean Acoustic Developments Ltd (OAD) has previewed the WADER V8.3, the latest iteration of the WADER Sonar Range Prediction & Global Ocean Information System, at DSEI London 2021.

An established name in the underwater acoustics sector OAD provide International training and acoustic modelling software to over 20 countries worldwide.

WADER uses global environmental data: sea state, water column and bathymetry data, alongside user-supplied acoustic parameters, to generate propagation loss data and calculate sonar performance/probability of detection.

A reliable and user friendly range prediction software package, the original WADER system was an Ocean Information System which provided mainly bathymetric and water column data using colour coded graphic displays. The original system was produced using Borland Turbo Pascal with code for each button, screen and gadget ‘hand crafted’. At that time, the resultant environmental data was used to feed the HODGSON Model, a sonar range prediction model authored by Director John Hodgson

WADER was later developed to incorporate a dedicated low frequency model, significantly enhancing its application and scope. This generated a spin-off to the program – HARCAM – which was developed for research use.

WADER and HARCAM, include all the required data sets for:

• Sonar range prediction
• Probability of detection (& counter-detection) calculation
• Underwater acoustic modelling
• Propagation loss analysis
• Ocean environment evaluation