This technique complements conventional measurements and might be applied for water management in countries with a few weather stations only. (sciencedaily.com)
Conventional measurement procedures or GPS technologies via satellites, however, reach their limits here. (sciencedaily.com)
I worried that the conventional measurements would be off (as I have often experienced with «by eye» cooks turning their food into recipes), but it was perfect! (padhuskitchen.com)