I am selling my FlyTec 6015 Vario ( http://www.flytec.com/Products/Variometers/6015.htm ) It is in great condition, only used a few times. However, the 'P' sticker (as in 'GPS'- which is stickered on the housing right above the screen), has fallen off... so you only get a 'G S'. Also, there are some...