Articles | Volume 12, issue 12
Atmos. Meas. Tech., 12, 6579–6599, 2019
https://doi.org/10.5194/amt-12-6579-2019
Atmos. Meas. Tech., 12, 6579–6599, 2019
https://doi.org/10.5194/amt-12-6579-2019

Research article 13 Dec 2019

Research article | 13 Dec 2019

The Universal Cloud and Aerosol Sounding System (UCASS): a low-cost miniature optical particle counter for use in dropsonde or balloon-borne sounding systems

Helen R. Smith et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Helen Smith on behalf of the Authors (17 Aug 2019)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (16 Sep 2019) by Troy Thornberry
AR by Helen Smith on behalf of the Authors (25 Sep 2019)  Author's response    Manuscript
ED: Publish as is (12 Oct 2019) by Troy Thornberry
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Short summary
The Universal Cloud and Aerosol Sounding System (UCASS) is a low-cost miniature optical particle counter (OPC) capable of sizing particles in the size range 0.4–40 μm. The open-geometry design makes the instrument suitable for deployment on balloon-borne sounding systems, dropsonde systems or as part of an unmanned aerial vehicle (UAV). Laboratory and field experiments show good agreement with reference instruments in a range of cloudy and dusty environments.