Variometer with GPS logger
نویسنده
چکیده
Variometer is a device that informs user about his/her vertical velocity. It is particularly useful in paragliding, hang gliding and other air sports. The device has to inform user about vertical velocity by sound. Ground position of user is important too, because of complex functions (e.g., computing flying range, altitude above ground) and after-flight evaluation. This paper deals with the hardware design of such device and software implementation of its special functions. Tracklog from GPS logger can be transferred to computer in a common format.
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