dGNSS	differential Global Navigation Satellite System
F0-F10	filter settings
$LD$-ratio	lift-to-drag ratio
SD${}_{1-4}$	standard deviation of start (1) and end (2) of glide phase and $LD$-ratio at these points (3,4)
$\tau$	rate-of-change threshold
p${}_m$	start of algorithm search