1. School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
2. ARC Training Centre for CubeSats UAVs and Their Applications, The University of Sydney, Sydney, NSW 2006, Australia
3. Australian Centre for Field Robotics, The University of Sydney, Sydney, NSW 2006, Australia
4. School of Environment and Rural Science, University of New England, Armidale, NSW 2351, Australia