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Underwater camera

March 23, 2026March 30, 2026 HSW

An underwater camera is a specialized waterproof imaging device used in hydrographic surveys to visually observe and record conditions beneath […]

Survey Equipments

Total Station

March 23, 2026March 30, 2026 HSW

A Total Station is a high-precision instrument used for land-based survey operations. It is employed for shoreline surveys, establishment of […]

Survey Equipments

Sidescan Sonar

March 23, 2026March 30, 2026 HSW

Side scan sonar is a sonar system used to generate high-resolution images of the seabed, coastal bottoms, riverbeds, and shipwrecks. […]

Survey Equipments

ADCP (Acoustic Doppler Current Profiler)

March 23, 2026March 30, 2026 HSW

ADCP is an instrument used to measure the speed and direction of water currents in rivers and marine areas. The […]

Survey Equipments

Tide Pole / Tide Gauge

March 23, 2026March 30, 2026 HSW

Tide poles and tide gauges are used to accurately record variations in sea level. These instruments are essential for reducing […]

Survey Equipments

DGPS / RTK GPS

March 23, 2026March 30, 2026 HSW

Differential GPS (DGPS) and Real-Time Kinematic GPS (RTK GPS) systems are used to ensure precise positioning for survey data. These […]

Survey Equipments

Single Beam Echo Sounder

March 23, 2026March 30, 2026 HSW

The Single Beam Echo Sounder is a fundamental instrument used for accurately measuring water depth. It is widely employed for […]

Survey Equipments

Survey Equipments

March 19, 2026March 30, 2026 HSW

Single Beam Echo Sounder The Single Beam Echo Sounder is a fundamental instrument used for accurately measuring water depth. It […]

Equipments & Technology

Survey Methodology

March 19, 2026March 28, 2026 HSW

Survey Planning & Reconnaissance Survey objectives and scope are defined, and a detailed operational plan is prepared. The physical and […]

Equipments & Technology

Survey Readiness & Workflow

March 19, 2026March 28, 2026 HSW

Survey Readiness & Workflow To implement hydrographic survey operations in accordance with scientific standards and with a high degree of […]

Equipments & Technology

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HYDROGRAPHIC SURVEY WING

Office of The Chief Hydrographer
Hydrographic Survey Wing
Aryankuzhi Road, Kamaleswaram
Manacaud P.O
Thiruvananthapuram - 695 009

 

chtvm.hsw@kerala.gov.in, chhswkerala@gmail.com
+ 91 471 2456123
+ 91 471 2967515

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  • Home
  • About Us
    • About HSW
    • Vision & Mission
    • Organizational Chart
  • Services
    • Products & Services
    • Projects
    • Vessels And Equipments
  • Project
    • Major Projects
    • Important Surveys
  • Equipments & Technology
    • Survey Readiness & Workflow
    • Survey Methodology
    • Survey Equipments
  • Downloads
    • Gradation List
    • Government Orders
    • Survey Charges
    • Tenders
  • RTI
  • Contact
    • Head Office
    • Sub Offices