Acknowledgments

The authors extremely appreciate the efforts of D. W. Burke, P. K. Hardebeck, J. D. Harvey, L. M. Henry, K. A. Hunt, P. S. Reilly, and J. A. Sartain from The University of Iowa, and M. H. Acuña, J. P. Galloway, D. E. Galoppo, M. M. Grant, and K. O. Sizemore and many other persons of the Goddard Space Flight Center/NASA in helping us implement this investigation. Invaluable assistance and great courtesy were given to us in prelaunch integration and testing and in postlaunch operations of our instrument by H. Hayakawa, S. Machida, T. Mukai, M. Nakamura, A. Nishida, T. Obara, K. Tsuruda, and K. Uesugi at the Institute of Space and Astronautical Science, J. Ishida of NEC, and a large number of their colleagues. For a more complete discussion of the Comprehensive Plasma Instrumentation for the Geotail spacecraft see J. Geomag. Geoelectr., 46, 23--37, 1994.