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Topcon (Beijing) Chooses QuestUAV for High Altitude PPK Fixed Wing Operations on the Tibetan Platea

Topcon (Beijing) Chooses QuestUAV for High Altitude PPK Fixed Wing Operations on the Tibetan Platea

Collaboration 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.

It demonstrates the capability of the aircraft to operate entirely successfully with PPK in high altitude conditions and remote areas with little or no local RTK network.

QuestUAV’s director, NIgel King, said “This is an example of a great aircraft being used by a great crew. Jiang Chao and his ROCtec team (Topcon Beijing) are proving to be formidable partners with an assertive stance, ready to capture a new fixed wing drone survey market in Asia”.

“Their achievements with our QuestUAV DATAhawk, both in standard and PPK versions, are outstanding in terms of their quantifiable output following such high-profile flights as these. This mission is just one of their many achievements in China.

“Roctec have extracted the best of the stability of the aircraft, the exceptional quality of the SONY QX1 Camera and accuracy the Septentrio dual frequency AsteRx DGPS rover.

“The all weather capability of the system in sub zero, high altitude temperatures provided the final benefit for ROCtec to capture data for survey grade maps for mapping government construction.”

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Topcon Survey Yanqing District with Fixed Wing Drone – Flythrough


Topcon Survey Yanqing District with Fixed Wing Drone


A QuestUAV's Chinese reseller recently surveyed the Yanqing District, located North West of Beijing, China as part of a UAV demonstration. They were able to create a flythrough to show results.  The team used QuestUAV's Q-100 DATAhawk drone to survey the area and processed their images using the Pix4DMapper software.

About Roctech

Beijing Topcon Business & Trade (BTBT) are a Positioning Business, which uses high-precision GNSS positing technology to achieve the automation of civil engineering construction and farming. Topcon supply a range of survey technologies globally including QuestUAV's Q-100 DATAhawk drone.

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BTBT with QuestUAV's Stuart King and Q-100 DATAhawk 


Watch the flythrough: