Calypso Ultrasonic Portable uses an open protocol for Bluetooth Low Energy which makes it very attractive for those who want to develop their own application. 

Tactiqs, among other developers have made the connection succesful facilitating their clients to get the wind data  (speed and direction) in their mobiles.

Tactiqs® (https://tactiqs.io) is a comprehensive race data solution providing real-time tactical and performance feedback during the race as well as detailed analytics of all your races in a central cloud account.

Our Ultrasonic Portable is directly supported by the Tactiqs® app. Watch the following video to understand how the connection is made!