private AltitudeRange _gentleAltitudeRange = null, _steepAltitudeRange = null;
private Timestamp _earliestTimestamp = null, _latestTimestamp = null;
private long _movingMilliseconds = 0L;
private AltitudeRange _gentleAltitudeRange = null, _steepAltitudeRange = null;
private Timestamp _earliestTimestamp = null, _latestTimestamp = null;
private long _movingMilliseconds = 0L;