ASL has developed a family of advanced acoustic instruments and products for aquatic environments.  Our products include the well-known, Acoustic Zooplankton Fish Profiler (AZFP) and the industry standard Ice Profiling Sonar (IPS) to name a few. Both instruments have been successfully deployed and have demonstrated results. More than 500 ASL instruments have been deployed in oceans, lakes, reservoirs and rivers around the world. We are also sales representatives for Teledyne RD Instruments, Deep Water Buoyancy and WERA Northern Radar.