def set_start(self,t):
    """
    Override the GPS start time (and set the duration) of this ScienceSegment.
    @param t: new GPS start time.
    """
    self.__dur += self.__start - t
    self.__start = t
def set_start ( self , t ) : self . __dur += self . __start - t self . __start = t
Override the GPS start time (and set the duration) of this ScienceSegment.
    @param t: new GPS start time.