Calypso Instruments - wind meter
Applied Ballistics compatible
(https://mildot.fi/wp-content/uploads/2026/07/calypso-instuments-and-applied-ballistics-e1783662927532.jpg)
Applied Ballistics compatible
https://mildot.fi/index.php/product/calypso-instruments-ultrasonic-portable-mini-ab/ (https://mildot.fi/index.php/product/calypso-instruments-ultrasonic-portable-mini-ab/)