\newcommand{\etc}{etc.\xspace}
\newcommand{\qgc}{QGroundControl\xspace}
\newcommand{\wima}{WiMA\xspace}
\newcommand{\ethz}{ETH Zürich\xspace}
\newcommand{\uav}{Unmaned Arial Vehicle\xspace}
\newcommand{\gitrepourl}{\url{https://dummyurl.com}}
\newcommand{\qgcdocurl}{\url{https://docs.qgroundcontrol.com/en/}}