Sub-Bottom Profilers are used to provide depth measurements and detailed information about the sediment layers and sub-bottom structures. Sub Bottom Profilers are generally towed of fixed depending upon user requirements. The towed version provides for a closer look at the area of concern, hence providing a greater fidelity in received data. These units are used by dredging and survey companies to identify sub-bottom features like bedrock, hidden rock outcrops, pipelines and other objects. They are available in many frequency variations so that they can be selected based upon the clients unique survey requirements. Seismic Asia Pacific is able to recommend a complete system solution for the client which will consider mounting or deployment arrangement, power requirements, logging and post processing software solutions.