27-Day Modulation in Cosmic Ray Intensities at Two Successive Solar Minima


Richard A Leske1, Alan C Cummings1, Richard Mewaldt2, Edward C Stone1, Tycho T von Rosenvinge3 and Mark E Wiedenbeck4, (1)California Institute of Technology, Pasadena, CA, United States, (2)Caltech, Pasadena, CA, United States, (3)NASA Goddard SFC, Greenbelt, United States, (4)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States