The Fluxgate Magnetometer for the AMPTE UK Subsatellite

The fluxgate magnetometer flown on the Active Magnetospheric Particle Tracer Explorers United Kingdom Subsatellite (AMPTE UKS) spacecraft and its operation are described. The instrument is a modified flightspare from the ISEE 1/2 mission and shares many features with the ISEE instruments. During routine operations data are returned to the United Kingdom Control Centre and displayed in real time in a geophysical coordinate system. Instrument and data system are all operating successfully.