1. Astronomy Instrumentation Group, School of Physics and Astronomy, Cardiff University, Cardiff CF24 3AA, United Kingdom
2. QMC Instruments Ltd., School of Physics and Astronomy, Cardiff University, Cardiff CF24 3AA, United Kingdom
3. Rutherford Appleton Laboratory, STFC, Swindon SN2 1SZ, United Kingdom
4. School of Earth Science and Space Exploration, Arizona State University, Tempe, Arizona 85281, USA
5. Department of Physics and Astronomy, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada