This GitHub repo includes:

1. A drawing schematic of the PUFIN TBS INP sampler from the U.S. DOE ARM User Facility
2. A list for all the parts needed to build PUFIN

Color code in the drawing:

White – 3D printed

Blue – pump

Purple – Cooling fan

Black – battery

Grey – metal parts

Red – transmission

Yellow – PCB

Green – sensors

Transparent – filter holders

A description of PUFIN can be found in the following paper:

(paper citation to come soon)

The INS and TBS Handbooks can be found at:

Creamean, J., Hill, T., Hume, C., and Devadoss, T.: Ice Nucleation Spectrometer (INS) Instrument Handbook, U.S. Department of Energy, Atmospheric Radiation Measurement user facility, Richland, Washington, 2024.

Dexheimer, D., Whitson, G., Cheng, Z., Sammon, J., Gaustad, K., Mei, F., and Longbottom, C.: Tethered Balloon System (TBS) Instrument Handbook, https://doi.org/10.2172/1415858, 2024.

Descriptions of the DOE INP and TBS programs can be found at:

INP - https://armgov.svcs.arm.gov/capabilities/instruments/ins

TBS - https://armgov.svcs.arm.gov/capabilities/instruments/tbs

Definitions of acronyms:

ARM - Atmospheric Radiation Measurement DOE - Department of Energy INP - Ice Nuceating Particle INS - Ice Nucleation Spectrometer PUFIN - Profiling of Upper altitudes For Ice Nucleation TBS - Tethered Balloon System

For more information, contact:

Jessie Creamean (jessie.creamean@colostate.edu)