@misc{Engebretson_Steinmetz_Moldwin_1992, title={MACCS 0.5 s Ground Magnetometer Data}, url={https://hpde.io/GBO/NumericalData/MACCS/MAG/PT0.5S}, DOI={10.48322/SYDJ-AB90}, abstractNote={The Magnetometer Array for Cusp and Cleft Studies (MACCS) program operates magnetometers in the arctic to study the near-Earth space environment and have been providing 0.5 s resolution since 2011.}, publisher={Augsburg University}, author={Engebretson, Mark J. and Steinmetz, Erik and Moldwin, Mark}, year={1992} }