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Tri-Frequency Side Scan Sonar
The next-generation 4205 is a versatile side scan sonar system that can be configured for almost any survey application from shallow to deepwater operations. EdgeTech’s Full Spectrum CHIRP technology to provide crisp, high-resolution imagery at ranges up to 50% greater than non-CHIRP systems; thus allowing customers to cover larger areas and save money spent on costly surveys.
EdgeTech’s Full Spectrum® CHIRP technology to provide crisp, high resolution imagery at
ranges up to 50% greater than non-CHIRP systems; thus allowing customers to cover larger
areas and save money spent on costly surveys. In addition to the high-resolution imagery
that EdgeTech is known for, the 4205 comes with a number of new features which makes
the system even more flexible and powerful in offshore operations. The 4205 is available
in either a tri-frequency side scan sonar configuration or motion tolerant and multi-pulse
configuration. The tri-frequency version allows surveyors the option to operate any two
frequencies simultaneously from the tri-frequency system. Long range operations for
example can be achieved with a selection of 230/540kHz combination. Then, on-demand the
system can be changed to a 540/850kHz system for an even higher resolution survey. The
4205 motion tolerant configuration with multi-pulse provides surveyors the ability to operate
either at faster survey speeds or in more adverse weather conditions while still obtaining
high quality underwater imagery. Additionally, this configuration can be operated in a single
pulse high-resolution mode for those operations that require an even more finite view of the
seafloor.
In both the tri-frequency and motion tolerant/ multi-pulse configurations, towfish and target
positioning has been improved with the integration of a more accurate heading sensor
that can be coupled with an optional USBL beacon. Additionally, all systems now come
with Increased towfish power to support a wider range of additional 3rd party sensors. All
EdgeTech 4205 systems are comprised of a topside system and a reliable stainless steel
towfish. Topside processors come in a choice of configurations from portable to rack mounted
units. In addition, an easy-to-use GUI software is supplied with every unit.