Hello! I built a graph Allan Deviation. Correctly built them? How to know the accuracy of time on them? http://www.pictureshack.ru/view_71342_image_GPS_20140425.png http://www.pictureshack.ru/view_96798_image_GPS_20140426.png http://www.pictureshack.ru/view_34327_image_GPS_20140427.png