Contact us at +1 (706) 522-3022

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Dive into our world of cutting-edge sonars, advanced navigation equipment, and state-of-the-art software—all crafted to optimize your hydrographic operations.

At ECHO81, we understand the stresses of investing and procuring with the overwhelming number of options in the market today. Let our devoted sales team help you realize the perfect solution to cover every aspect of your requirements.

Whether you have inquiries about our superior products or seeking expert advice, we’re just a phone call or email away!

Browse by Technology.

Find the perfect products tailored to your specific needs

Multibeam Echosounders

8
Side Scan Sonars

8
Sub-Bottom Profilers

25
Magnetometers

5
Navigation Systems

18
Pole Mount/Adapters

9
Sound Velocity Profilers

3
Software Packages

31
ROV Tooling

3
Altimeters

3
AUVs

3
Beacons

2
Combined Systems

4
Flooded Member Detections

5
Single Beam Echosounders

1
TVGs

2
USBLs

4
Winches/Cable Counters

2

CONTACT INFO

Have a question? Can’t find what you’re looking for? We’d love to hear from you!
Connect with us using the information below.

PHONE

+1 706-522-3022

ADDRESS

481 S. Jackson Street
Hartwell, GA 30643

EMAIL

[email protected]

At ECHO81, we believe in the power of collaboration and are proud to work alongside a network of exceptional partners who share our commitment to excellence. We work with EdgeTech, Kongsberg, Applanix, AML Oceanographic, and many more.

We are always looking for new ways to grow and improve. If you have any questions, feedback, or would like to learn more about how ECHO81 can assist you, please don’t hesitate to Contact Us

Sales

We offer equipment & support necessary to keep your hydrographic survey operations productive.

Rentals

Take a look at our extensive offering of hydrographic and geophysical survey instrumentation.

Training

ECHO81 offers both basic and advanced level training curriculum to put your investments to use.

Consultancy

Our professional advice and unbiased opinions are readily available & at your service around the clock.

Kongsberg EM 2040 MKII Multibeam Echosounder

$0.00

Kongsberg EM 2040 MKII Multibeam Echosounder The EM 2040 MKII is a true wideband high-resolution shallow water multibeam echo sounder, an ideal tool for any high-resolution mapping and inspection application. With this release, Kongsberg Discovery has upgraded the hardware and software to increase the swath and improve the data quality of our EM2040 series.

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Kongsberg EM 2040C MKII Multibeam Echosounder

$0.00

Kongsberg EM 2040C MKII Multibeam Echosounder (Max. 500 m) The EM 2040C MKII is a shallow water multibeam echo sounder based on EM 2040 technology. It is an ideal tool for any high resolution mapping and inspection application. With the release of the EM 2040 MKII series Kongsberg Maritime has upgraded the hardware and software to increase the swath and improve the data quality of our EM 2040 series.

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Kongsberg EM 2040P MKII Multibeam Echosounder

$0.00

Kongsberg EM 2040P MKII Multibeam Echosounder The EM 2040P MKII is a shallow water multibeam echo sounder based on EM 2040 technology, an ideal tool for any high-resolution mapping and inspection application. With this release, Kongsberg Maritime has upgraded the hardware and software to increase the swath and improve the data quality of our EM 2040 series.

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Kongsberg EM 2042 Multibeam Echosounder

$0.00

Kongsberg EM 2042 Multibeam Echosounder Small in size, but powerful in potential, the EM 2042 Multibeam Echosounder is efficient, light, robust and reliable: delivering high-density, high-resolution, clean data in the most demanding marine environments. With simple installation and failure free operation, the EM 2042 has been designed for use on a wide variety of vessels. It’s accuracy, versatility and stability, with real/true yaw stabilization, extends weather windows and optimizes survey duration – giving you the data you need, when you need it.

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Kongsberg EM 712 Multibeam Echosounder

$0.00

Kongsberg EM 712 Multibeam Echosounder The EM 712 multibeam echo sounder is a high to very high-resolution seabed mapping system capable of meeting all relevant survey standards. The minimum acquisition depth is from less than 3 m below its transducers, to a maximum of 3600m dependent upon array size. Across track coverage (swath width) is up to 5.5 times water depth, with a maximum of up to 4400 m, which is almost double the range performance of the EM710.

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Kongsberg EM 712 Multibeam Echosounder (Rental)

$0.00

Kongsberg EM 712 Multibeam Echosounder The EM 712 multibeam echo sounder is a high- to very high-resolution seabed mapping system designed to meet all relevant hydrographic survey standards. It offers exceptional depth capability, with a minimum acquisition depth of less than 3 meters below the transducers and a maximum depth of up to 3000 meters. The system provides across-track coverage (swath width) of up to 5.5 times the water depth, with a maximum swath width of 4400 meters—nearly double the range of its predecessor, the EM 710.

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Kongsberg M3 Sonar HF

$0.00

Kongsberg M3 Sonar HF The M3 Sonar HF is a high-frequency sonar with imaging and profiling modes. It is an impressive upgrade to the original M3 Sonar, with an all-titanium construction and two-hundred percent higher resolution.

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Kongsberg M3 Sonar HF (Rental)

$0.00

Kongsberg M3 Sonar HF (Rental) The M3 Sonar HF is a high-frequency sonar with imaging and profiling modes. It is an impressive upgrade to the original M3 Sonar, with an all-titanium construction and two-hundred percent higher resolution.

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AML-3 Sound Velocity Profiler 500m (100dBar)

$0.00

The AML-3 LGR CTDSV 500m is an all inclusive package built around the AML-3 Logger with Conductivity-Temperature, Sound Velocity, & Pressure (100 dBar). Comes with charging cable, power adapters, USB WiFi adapter, rubber weight lines, USB drive containing software and manuals, and transit case.

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AML-3 Sound Velocity Profiler 500m (100dBar)(Rental)

$0.00

AML-3 SV Profiler 500m Rated with other available options Equipment rental supplied with direct sound velocity and 100 dBar pressure sensors, charging cable, power adapters, USB WiFi adapter, rubber weight lines, USB drive containing software and manuals, and transit case.

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AML-3 Sound Velocity Profiler 500m (500dBar)

$0.00

The AML-3 series of instruments is a highly configurable family of multiparameter sondes designed for a wide range of data collection applications. The ‘3’ designation refers to the number of sensors that may be simultaneously installed on the instrument’s endcap. One additional sensor may be connected externally, allowing up to 4 sensors in total. This kit comes with a sound velocity and 500 dbar pressure sensor. The LGR designation (ie. AML-3 LGR) are self-powered via a rechargeable internal battery and have a mechanical on/off switch adjacent to their shackle. These instruments are most commonly used for multiparameter profiling applications and internally log sensor measurements and transfer data post deployment.

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AML-3 Sound Velocity Profiler 500m (500dBar) (Rental)

$0.00

AML-3 SV Profiler 500m rated (500dBar pressure sensor) Equipment rental supplied with direct sound velocity and 500 dBar pressure sensors, charging cable, power adapters, USB WiFi adapter, rubber weight lines, USB drive containing software and manuals, and transit case.

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Applanix POSPac MMS SmartBase (Rental)

$0.00

Applanix POSPac MMS SmartBase Software Rental Software rental to supply a floating license of Applanix's POSPac MMS SmartBase Software for one (1) month, i.e., 30 days. Activation provided as a soft lock authorization code.

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R2Sonic 2026 Multibeam Sonar (Rental)

$0.00

Equipment rental to supply an R2Sonic 2026 Multibeam Echo Sounder, Comes with mounting frame, real-time SVS, SIM interface box, 15-meter deck cables, Sonic Control software, and shipping cases.

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Innomar Medium-100 Subottom Profiler (Rental)

$0.00

Innomar Medium-100 Parametric Sub-Bottom Profiler Equipment rental to supply an Innomar Medium-100 Sub-Bottom Profiler. Comes with topside interface with built-in PC, pole mountable transducer with 30-meter deck cable, accessory kit, SES-WIN control software, mounting hardware, and transit cases.

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AML-3 Sound Velocity Profiler 6000m (1000dBar)

$0.00

The AML-3 LGR CTDSV 6000m is an all inclusive package built around the AML-3 Logger with Conductivity-Temperature, Sound Velocity, & Pressure (1000 dBar). Comes with charging cable, power adapters, USB WiFi adapter, rubber weight lines, USB drive containing software and manuals, and transit case.

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AML-3 Sound Velocity Profiler 6000m (1000dBar) (Rental)

$0.00

AML-3 SV Profiler 6000m Rated (1000dBar pressure sensor) Equipment rental supplied with direct sound velocity and 1000 dBar pressure sensors, charging cable, power adapters, USB WiFi adapter, rubber weight lines, USB drive containing software and manuals, and transit case.

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Applanix Extended POS MV warranty products

$0.00

Applanix Extended POS MV warranty products: Extended POS MV f/w & POSView s/w warranty per year

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Applanix RTK POS MV OceanMaster RM INS

$0.00
Applanix RTK POS MV OceanMaster RM Key Features:

0.01° roll and pitch performance

IN-Fusion™ 2.0 ensures optimal GNSS aiding for any given conditions

TrueHeave™ - no requirement to tune filter for specific conditions, no settling time so no run in time

High accuracy inertial measurement units featuring SmartCal™

Data time tagged to microsecond accuracy
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Applanix RTK POS MV OceanMaster RM IP68 INS

$0.00

Maximize your ROI with Applanix® POS MV OceanMaster. OceanMaster is a user-friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV OceanMaster SFF INS

$0.00

Maximize your ROI with Applanix® POS MV OceanMaster. OceanMaster is a user friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV OceanMaster SFF IP68 INS

$0.00

Maximize your ROI with Applanix® POS MV OceanMaster. OceanMaster is a user friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV SurfMaster RM INS

$0.00

Maximize your ROI with Applanix® POS MV SurfMaster. SurfMaster is a user friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV SurfMaster RM IP68 INS

$0.00

Maximize your ROI with Applanix® POS MV SurfMaster. SurfMaster is a user friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV SurfMaster SFF INS INS

$0.00

Maximize your ROI with Applanix® POS MV SurfMaster. SurfMaster is a user‑friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV SurfMaster SFF IP68 INS

$0.00

Maximize your ROI with Applanix® POS MV SurfMaster. SurfMaster is a user‑friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV WaveMaster II RM INS

$0.00

Maximize your ROI with Applanix® POS MV WaveMaster. WaveMaster is a user friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV WaveMaster II RM IP68 INS

$0.00

Maximize your ROI with Applanix® POS MV WaveMaster. WaveMaster is a user‑friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV WaveMaster II SFF INS

$0.00

Maximize your ROI with Applanix® POS MV WaveMaster. WaveMaster is a user friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix RTK POS MV WaveMaster II SFF IP68 INS

$0.00

Maximize your ROI with Applanix® POS MV WaveMaster. WaveMaster is a user friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix GNSS antenna, 540AP

$0.00

Applanix GNSS antenna, 540AP

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Applanix GNSS antenna, GA830

$0.00

Applanix GNSS antenna, GA830

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Applanix POS MV OceanMaster INS IP68 (Rental)

$0.00

Applanix POS MV OceanMaster RM IP68 (320) Equipment rental to supply an Applanix POS MV OceanMaster RM IP68. Comes with a deck mount inertial measurement unit (IMU), rackmount topside interface box, dual GNSS antennas, dual antenna cables, interface cables, software, user manual, and transit case.

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Applanix POS MV SurfMaster One INS

$0.00

Maximize your ROI with Applanix® POS MV SurfMaster. SurfMaster is a user‑friendly, turnkey system designed and built to provide accurate attitude, heading, heave, position, and velocity data of your marine vessel and onboard sensors. Applanix POS MV blends GNSS data with angular rate and acceleration data from an IMU and heading from GNSS Azimuth Measurement System (GAMS) to produce a robust and accurate full six degrees of freedom Position and Orientation solution. All Applanix POS MV models are designed for use with multibeam sonar systems, enabling adherence to IHO (International Hydrographic Survey) standards on sonar swath widths of greater than ± 75 degrees under all dynamic conditions.

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Applanix POS MV SurfMaster One INS (Rental)

$0.00

Applanix POS MV SurfMaster One Equipment rental to supply an Applanix POS MV SurfMaster One. Comes in a all-in-one IMU/PCS small form factor topside, dual GNSS antennas, dual antenna cables, interface cables, software, user manual, and transit case.

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Applanix POS MV WaveMaster II INS (220) (Rental)

$0.00

Applanix POS MV WaveMaster II (220) Equipment rental to supply an Applanix POS MV WaveMaster SFF IP68. Comes with a submersible inertial measurement unit (IP68 IMU), small form factor (SFF) topside interface box, dual GNSS antennas, dual antenna cables, interface cables, software, user manual, and transit case.

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