2.7.1 spase://SMWG/Observatory/LANL/1989 LANL1989 1989-046 2026-07-20T16:25:18Z 2011-06-03T22:19:10Z Only known prior ReleaseDate of the metadata 2026-07-20T16:25:18Z Added HelioData InformationURL, Updated to SPASE Version 2.7.1. JWL Geosynchronous spacecraft carrying energetic electron and ion instruments spase://SMWG/Person/UNKNOWN GeneralContact HelioData https://helio.data.nasa.gov/mission/LANL_1989 The HelioData mission page provides an overview of the mission and more, such as all SPASE dataset records associated with it. spase://SMWG/Observatory/LANL1989 spase://SMWG/Observatory/LANL/LANL1989 spase://SMWG/Observatory/LANL Earth.Magnetosphere.Main Earth.Magnetosphere.RadiationBelt