questuav topconhaCollaboration between ROCtec - Topcon (Beijing) and QuestUAV has resulted in a first-time PPK land survey in the mountainous area of Mudao in the district of Qinghai.  With 99.9% unambiguity at better than 5 cm accuracy, the results display the full potential of the civilian mapping UAS. Flying at 700ft agl and almost 15000 ft above sea level, QuestUAV’s 2kg DATAhawk aircraft covered an area of 150ha in less than 15 minutes. This short video charts the operation of the QuestUAV PPK DAThawk by the ROCtec team and it’s post processing output. Read More