CEDAR email: NASA EZIE Mission First Data Release

[Merkin, Viacheslav G.]

The science team of the NASA EZIE mission is happy to announce our first data release. Version 1 of Level-1 through Level-3 data from the first auroral electrojet season (May 15 – September 1, 2025) are now available via the EZIE gateway (eziegw.jhuapl.edu) along with standard graphics, a description of the mission and the data retrieval procedure. At this time, seven days' worth of data during the above time frame have been processed. The specific days were chosen by the science team because they contain potential substorm events of interest. Data for the remainder of the season will be posted as they become available.

EZIE is a remote sensing mission that retrieves magnetic perturbations at ~85km altitude in the vicinity of the auroral electrojet. It does so by measuring polarized electromagnetic radiation in the microwave range. The EZIE retrieval procedure is non-trivial; users will need help in understanding how to interpret the retrieved data correctly. To facilitate this, the EZIE science team is organizing a two-hour data workshop on December 3, 2025 at 11am-1pm EST. The workshop will be recorded and posted on the gateway along with frequently asked questions. The Zoom link for the workshop is as follows:

https://jhuapl.zoomgov.com/j/1606277950?pwd=jphFbJ26vNffkh6nCyP4bm1crPjlFj.1&from=addon

The EZIE team is looking forward to engaging with the Heliophysics community and working together on making good use of this unique dataset.

Slava Merkin, Acting EZIE Project Scientist, on behalf of the EZIE science team

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