Kevin Ross Turpie¹, Steve Brown², John T Woodward³, Andrew Gadsden⁴, Thomas C Stone⁵ and Andrew Newton⁴, (1)University of Maryland Baltimore County, Joint Center for Earth Systems Technology, Baltimore, MD, United States, (2)National Institute of Standards and Technology Gaithersburg, Sensor Science Division, Gaithersburg, MD, United States, (3)National Institute of Standards and Technology Gaithersburg, Gaithersburg, MD, United States, (4)University of Guelph, Mechanical Engineering, Guelph, ON, Canada, (5)US Geological Survey, Flagstaff, AZ, United States