eTrac Engineering provides high quality custom integrated services and products to meet your silent inspector, vessel tracking, dredge positioning and hydrographic survey needs. Integration of cutting-edge wireless electronic components for marine monitoring and positioning applications is our specialty. From custom circuit design and programming, to on-site engineering, QC systems, and web-based reporting, eTrac supplies an all-in-one source to meet compliance with all agency requirements and to improve construction, dredging and survey production.