STEREO/WAVES Level-2 CDF Data "stereo_level2_swaves" Location https://spdf.gsfc.nasa.gov/pub/data/stereo/combined/swaves/level2_cdf/ They are generated by SPDF when ingesting one-minute ASCII and IDL data files. The one-minute data are located at https://spdf.gsfc.nasa.gov/pub/data/stereo/ahead/swaves/one-minute/ and https://spdf.gsfc.nasa.gov/pub/data/stereo/behind/swaves/one-minute/. Specifically, the source data for this CDF dataset "stereo_level2_swaves" are from https://spdf.gsfc.nasa.gov/pub/data/stereo/ahead/swaves/one-minute/idl/hfr-lfr/ and https://spdf.gsfc.nasa.gov/pub/data/stereo/behind/swaves/one-minute/idl/hfr-lfr/ by Lan Jian February 20, 2026