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    • Home
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      Underwater Imaging


      Mini Underwater Acoustic Cameras Underwater Acoustic Cameras

      Underwater Navigation


      Doppler Velocity Logs Compact NavigatorPositioning System AUV Communication  & Navigation  Kits

      Hydrographics


      Acoustic Doppler Current Profilers Single-Beam Echosounder

      Diving Support System


      Underwater Intercom Dive & Underwater EquipmentComms & Positioning Equipment

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      Wave Glider Unmanned Surface Vehicle(USV) Foldable Trimaran Vessel

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      Wave Glider Unmanned Surface Vehicle(USV)

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Latest
UAM-08160H Underwater Acoustic Modem Range Test Report
Field Performance Evaluation: 6–10.4 km Telemetry Range, Channel Fading Analysis, and Line-of-Sight Limitations
 
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Dr. Kenji Sato
Taming the Mahanadi: Acoustic Signal Loss and Tidal Wedges at the Cuttack Bifurcation
The Cuttack Bottleneck: Where Theory Hits the Mud If you have never stood on the banks of the Mahanadi at Cuttack, you probably think river discharge is a solved problem. Then you get to the bifurcati...
ADCP Hydrography
May 10, 2025 ADCP
Capt. Marcus Thorne
Mitigating Acoustic Signal Attenuation and Velocity Bias in the Brantas-Madura Tidal Interface
Tidal Reversals and Fluvial Discharge Volatility in the Kali Mas Basin I have seen depths in the Kali Mas shift by nine meters in a single tidal cycle. That is not a typo. Between 7.1° S and 7.3° S, t...
ADCP Hydrography
May 10, 2025 ADCP
Elena Rodriguez
Taming the Monsoon Surge: Acoustic Challenges in the Bhubaneswar River Basin
The Reality of the Bhubaneswar Riverbed If you've never stood on a survey vessel during the South Asian Monsoon, you have no idea how chaotic the Bhubaneswar River actually is. This isn't a static cha...
ADCP Hydrography
May 9, 2025 ADCP
Sarah Jenkins
Taming the Chaos of the Tezpur Reach: Why the Brahmaputra Defies Standard Gauging
The Morphological Nightmare at 26.6°N, 92.9°E If you've never stood on the banks of the Brahmaputra near Tezpur, it's hard to convey the sheer scale of the instability. We aren't dealing with a stable...
ADCP Hydrography
May 8, 2025 ADCP
Dr. Kenji Sato
Wrestling with the Red River Delta: The Salt-Wedge Chaos of Thái Bình
The Brutal Reality of the Gulf of Tonkin Interface If you have never worked in Thái Bình Province, you likely think of river discharge as a linear problem: water moves from point A to point B. Forget ...
ADCP Hydrography
May 7, 2025 ADCP
Sarah Jenkins
Fighting Signal Refraction in the Moçâmedes Upwelling Zone
The Namibe Nightmare: Why Standard SVPs Fail If you've never deployed a mooring off the coast of Namibe, you probably think you understand the Benguela Current. You've read the papers, you've seen the...
ADCP Hydrography
May 7, 2025 ADCP
Dr. Alistair Vance
Wrestling with the Brahmaputra: Why Guwahati Defies Standard Discharge Logic
The Chaos of the Guwahati Reach If you have never stood on the banks of the Brahmaputra at 26.14°N, 91.73°E, you likely believe the textbooks on fluvial geomorphology. You think the thalweg is a predi...
ADCP Hydrography
May 6, 2025 ADCP
Sarah Jenkins
Fighting the Kowie: The Chaos of the Port Alfred Estuary Mouth
The Agulhas Collision Most coastal surveys are predictable. You drop a mooring, you wait for the tide, you collect your data. But Port Alfred is a different beast entirely. When you're sitting at the ...
ADCP Hydrography
May 6, 2025 ADCP
Dr. Kenji Sato
Taming the Benguela Upwelling: The Reality of Current Profiling in Lobito
The Lobito Paradox: Why Surface Data Lies If you've spent any time at the Port of Lobito, you know the water doesn't play by the rules. Most engineers arrive thinking they can just throw a vessel-moun...
ADCP Hydrography
May 6, 2025 ADCP
Dr. Alistair Vance
Fighting the Benguela: The Chaos of Subsurface Jets in Henties Bay
The Reality of the Namibian Coastline I’ve spent a career chasing flow patterns in eastern boundary currents, but Henties Bay is a different beast entirely. When you're standing on that shoreline at r...
ADCP Hydrography
May 6, 2025 ADCP
Dr. Kenji Sato
Saldanha Bay's Hydraulic Throttles: The Fight Against the Benguela Shear
The Vertical Chaos of the Benguela Interface If you've spent any time in the field at Saldanha Bay, you know the surface is a liar. You can stand on a deck at 33.3°S and see a calm sea, but twenty met...
ADCP Hydrography
May 6, 2025 ADCP
Dr. Alistair Vance
Fighting the Glacial Slurry: Why the Jhelum and Neelum Basins Defy Standard Gauging
The Chaos of the AJ&K Riparian Corridors I remember stepping off the transport in June 2021. The humidity was a physical weight, but the atmosphere felt electric. We hit the riverbanks just as the ear...
ADCP Hydrography
May 5, 2025 ADCP
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