Jerry L. Berndt

TL;DR: The multifilter rotating shadow-band radiometer is a ground-based instrument that uses independent interference-filter-photodiode detectors and the automated rotatingshadow-band technique to make spectrally resolved measurements at seven wavelength passbands of direct-normal, total-hor horizontal, and diffuse-horizontal spectral irradiances.

TL;DR: The U.S. Department of Energy funded the development of the multifilter rotating shadowband radiometer (MFRSR) as part of the Atmospheric Radiation Measurement (ARM) program as mentioned in this paper.

TL;DR: In this paper, the RSS provides continuous spectral measurements of total-horizontal, diffusehorizontal and direct-normal irradiance from 360 to 1100 nm using the automated shadowband technique, and case data from the first generation instrument operated at the Southern Great Plains (SGP) site, and comparisons with the improved design now starting operation.

TL;DR: Comparisons suggest that even NIST standards may disagree with each other beyond their stated accuracy, and it is concluded that the calibration from a standard lamp to a secondary standard lamp with approximately 1% added uncertainty can be transferred.

TL;DR: In this paper, a prototype high-resolution oxygen A-band and water vapor band spectrometer (HAWS) and a new theoretical framework have been developed and demonstrated to study the applicability of photon path length statistics in the remote sensing of clouds, aerosols, water vapor, particularly in addressing current challenges such as the detection of thin layers of clouds and aerosols especially over surfaces with high albedo.