Calypso Instruments
Whether you're a professional or amateur navigator, measuring wind speed and direction is a vital piece of data to improve your sailing!
Calypso Instruments deliver high quality and accurate wind data, allowing you to measure in real time and also connect to a datalogger and display or via Bluetooth to your phone of Garmin watch using the FREE app.
Force 4 Video: Calypso Ultrasonic Anemometer - Review and Features