Most of the gliders at the club are fitted with a GPS tracking device, the map above shows any that are flying. Click on them to find out what they are and how fast and high above sea level they are flying, our site is at about 700ft.
This link shows the system in Europe, Note coverage depends on amateur receivers and servers along with many other factors. Yellow are gliders, Blue are tow planes, Grey means there was a signal but its now its gone. You may need to press the red X to cancel the pop up notice.