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Bhutan – Automatic Weather Stations & Automatic Water Level Stations


Bhutan – Automatic Weather Stations & Automatic Water Level Stations

     Project Name Bhutan

    AWS and AWLS

    Project Location

    Kingdom of Bhutan


    Hydromet Services Division, Department of Energy, Ministry of Economic Affairs

    Contact Information

    Name: Karma Dupchu

    Title: Project Manager


    Name: Sangay Tenzin

    Title: Deputy Project Manager


    Contract Number


    Contract Value


    Award Date

    March 2010

    Completion Date

    August 2010


    Data is sent from the 5 remote stations to the National Weather Forecasting and Warning Center (NWFFWC) via SMS message through the GSM Multi Tech modem. A text message is built each hour based on data from the sensors and

    then sent to the Control Center. The interval for

    this delivery of data can be changed remotely via

    text message. Current data can also be equested via text message at any time.

    Scope of Work

    The 5 DCPs were built and integrated in our ISD

    Lab here in Virginia. The sensors and hardware

    were tested prior to shipping. Telemetry was

    also tested prior to shipping. Our local partner

    Tshomo Geo-Tech Enterprise worked with HMSD to finalize the locations of the stations and to

    design and manufacture the masts for the AWLS

    stations. HMSD was responsible for the civil

    works. There was no formal training provided aqs part of the project. Sutron provided informal

    training to HMSD and TGTE regarding installation and operation of the equipment. TGTE, with the

    Problem Solved & Benefits of the Project

    This System provided additional data to HMSD for their national data base.

    The major benefit to the customer was additional hydo-meterological data for weather forecasting

    and flood warning. Both AWLS stations were added to locations where manual staff gauges were in operation. Automation will provide more timely access to the data. The three AWS stationswere also added to existing manual weather stations. The AWS stations provide more up to date sensors as well as send the information automatically to the control center.

    Project Challenges & Sutron’s Solutions

    The challenge for this project was designing the telemetry system to transmit the data via SMS to the control center in the correct format.

    We worked closely with the Asian Disaster Preparedness Center (ADPC) personnel to ensure that the data was calculated, logged and transmitted in the proper format

    • Automatic Weather Stations (3)
    •  5600-0200 Wind Speed / Wind Direction Sensor
    • 5600-0120-1 Barometric Pressure Sensor
    • 5600-0316-1 AT/RH Sensor
    • 5600-0525-2 Tipping Bucket Rain Gauge
    • 5600-0601 First Class Pyranometer
    • MTCBA-G-F4 GSM Multi Tech Modem
    •  9210-0000-2B XLite Data Logger
    •  Stainless Steel NEMA 4X enclosure with MS connectors
    • Automatic Water Level Stations (2)
    •  7005400 Universal Laser Sensor
    • MTCBA-G-F4 GSM Multi Tech Modem
    •  9210-0000-2B XLite Data Logger
    • Stainless Steel NEMA 4X enclosure with MS connectors

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