The Automatic Voluntary Observing Ships System (AVOS) is an automated weather station that transmits VOS program reports.

AVOSObserving Ships System

FEATURES & BENEFITS » Automated quality control

» Real-time data display

» Capable of stand-alone logging

» Automatic corrections for elevation & magnetic variations

» Transmits in universal FM 13 code

» WatchMan micro controller technology

● AUTOMATED PARAMETERS GPS position and UTC time 3 hourly ship speed made good, course made good and pressure tendency True wind speed and direction Air temperature and wet bulb temperature Barometric pressure Sea surface temperature Vessel identification

● CONTROLLER PROCESSOR Power 110V, 220V or 12V Operating -40°C to +50°C Vibration and shock tested to MIL-STD 167-1 NEMA 4X waterproof enclosure EMC tested to MIL-STD 461D, EV and IEC Standards

● IRIDIUM TELEMETRY Automatically transmits data in FM 13-X1 code

● BRIDGE TOUCHSCREEN INTERFACE Display for automated AVOS data Interface for auto-coded manually entered data Industrial grade construction and NEMA 4/12 certification Relative Humidity: 0% to 100%

● AVOS SOFTWARE Real-time data display Data quality control as per MANMAR MANMAR and IMMT-II format data archive Image rich menus Voyage setup file Full Metadata database to WMO Publication 47 and VOS Climate Project Standards

AVOS Controller The WatchMan500™ architecture is a key building block of the payload system proven in Environment Canada’s Weather Buoy Network.

The WatchMan500™ controller operates all sensors continuously providing real-time data for display on the bridge. Processing and data correction algorithms are handled by AVOS™ firmware. AVOS™ is capable of stand-alone logging without telemetry and a bridge interface.

AVOSObserving Ships SystemThe World Meteorological Organization (WMO) Voluntary Observing Ships’ (VOS) program is an international initiative by which ocean-going ships are recruited by National Meteorological Services to take and transmit meteorological observations. The VOS meteorological reports provide essential data that are used for numerical weather prediction models, global climate studies, real-time reports for marine safety advisories and ground truth for satellite observations. These observations are collected and transmitted manually using a standard WMO format.

With assistance from Environment Canada, AXYS Technologies Inc. has developed an Automated Voluntary Observing Ships (AVOS) system which transmits fully automated VOS observation reports. These reports may be supplemented with touch screen manual input that is auto-coded, thereby greatly simplifying data entry and minimizing input error. AVOS automatically samples, processes, displays, logs and transmits weather data from VOS ships in the universal FM 13-X1 code to VOSCLIM (VOS Climate Project) standards. Through the use

Specifications of touch screen technology and an intuitive software interface, manually observed data such as cloud height and type, present and past weather, wave conditions and ice can be added to the FM13-X1 ship report.

Automated quality control MANMAR protocols ensure that manual observations are correctly entered. Corrections for elevation and magnetic variation are made automatically using region detection algorithms. Region detection also supports automated reporting modes for Synoptic (6 hr.), Intermediate Synoptic (3 hr.), and Data Sparse (1 hr.) reporting regions when required. STORM and SPREP conditions are also automatically detected and transmitted.

Based on AXYS’ proven high-reliability automated buoys, AVOS addresses WMO’s objective to improve the frequency and accuracy of global observations at sea.

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