NSF award 2538718 · University of Washington

EAGER: CALANOID: A Modular, Air-Deployable Ocean Profiler

Final report due

30 April 2027

in 194 days · The award ends on 31 December 2026.

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Extension request16 Nov 2026in 29 days
award ending 2026-12-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Dec 2026in 64 days
award ending 2026-12-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due30 Apr 2027in 194 days
award ending 2026-12-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due30 Apr 2027in 194 days
award ending 2026-12-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out30 Apr 2027in 194 days
award ending 2026-12-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 December 2026.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 30 April 2027.

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Award card

Award number: 2538718
Period of support: 1 Sep 2025 – 31 Dec 2026
Amount: $195,406
Awardee: University of Washington, Seattle, WA
Program: PHYSICAL OCEANOGRAPHY, OCEAN TECH & INTERDISC COORDIN
Directorate: GEO

Abstract

Current ocean sensing platforms are constrained by high costs, limited scalability, and insufficient data resolution—particularly for capturing submesoscale ocean dynamics that are vital for understanding ocean mixing and climate. This project proposes the development of CALANOID, a modular, low-cost, air-deployable ocean profiling float system, designed to enable dense, distributed in-situ observations. This…

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