英国Applied Acoustic Engineering (AAE)
英国AAE公司EasyTrak型水下定位系统应用了当前最为先进的水下声定位技术，系统稳定可靠，定位精度高，结构轻巧，操作方便，广泛应用于各类海洋水下定位项目：潜水员跟踪定位、海上搜救任务、水下考古、海洋水文仪器回收、拖鱼跟踪定位、定点布放、声学释放器布放和回收、AUV/ROV 跟踪定位和大坝监测等。
英国AAE公司可研制生产覆盖各个应用领域的全系列声学释放系统。

Applied Acoustic Engineering is a leading company in the design and manufacture of a wide range of subsea navigation and positioning products, and marine seismic survey equipment.

The extensive product range includes the innovative USBL tracking system, Easytrak, a variety of positioning and release beacons and seismic devices for offshore geotechnical and seabed analysis known as sub-bottom profiling.

All products use acoustics, underwater sound waves, in location, positioning, navigation and data acquisition applications.