A pilot, using a stopwatch, observes the strobes to calculate wind speed and direction by recording the time elapsed between the single start flash and multiple end flashes.
(the time; elapsed; L:between the single start flash and multiple end flashes) (A pilot; observes; the strobes to calculate wind speed and direction by recording the time) Context(A pilot observes,List([0, 36))):(A pilot; observes the strobes to calculate wind speed and direction by recording the time using; a stopwatch)
A pilot observes,List([0, 36))
the time A pilot A pilot
elapsed observes observes the strobes to calculate wind speed and direction by recording the time using
L:between the single start flash and multiple end flashes
the strobes to calculate wind speed and direction by recording the time
a stopwatch