Looks like they’re available here: https://nsidc.org/data/smap/data https://nsidc.org/data/smap/data And there’s some info here: https://smap.jpl.nasa.gov/data

Looks like they’re available here: https://nsidc.org/data/smap/data https://nsidc.org/data/smap/data And there’s some info here: https://smap.jpl.nasa.gov/data/ https://smap.jpl.nasa.gov/data/ Very cool stuff!