urn:nasa:pds:context:instrument:clipper.ecm 1.0 1.19.0.0 Product_Context ECM 2023-05-08 1.0 Initial version. urn:nasa:pds:context:instrument_host:spacecraft.clipper instrument_to_instrument_host Europa Clipper Magnetometer (ECM) Magnetometer -159000 The ECM investigation aims to confirm that Europa’s ocean exists, measure its depth and salinity, and measure the moon’s ice shell thickness. It will also study Europa’s ionized atmosphere and how it interacts with Jupiter’s ionized atmosphere.