November 2020
The Jb-L20 GPS MOD is ready. MOD here stands for MODULE and for MODIFICATION. The MOD is called PROGRESSION... it allows "fresh pilots" to evolve from "around takeoff flyer" to XC pilots. Info like speed over the ground, glide ratio, GPS altitude, flying direction in degree plus an arrow, distance from the takeoff... are available. Click on the picture to know more about...

August 2020
The new Jb-L20 is ready. Finally the new Jb with LCD display. The Jb-L20 is a simple effective variometer, designed to be light and easy to read. Thanks to the old guy mode the numbers in the main screen become much bigger in case you need.