<h2> SLS4 Longitude at AMDA </h2> <br/> <br/> <UL> <li> SLS4 Longitude are calculated by <b>Joseph Groene</b> of University of Iowa. All data are taken from <a href="http://www-pw.physics.uiowa.edu/sls4/" TARGET=_BLANK>Joseph Groene site</a><br/><br/> <a href="http://www-pw.physics.uiowa.edu/~dag/publications/2011_sls4_previi_draft.pdf" TARGET=_BLANK>A SLS4 Longitude System Based on a Tracking Filter Analysis of the Rotational Modulation of Saturn Kilometric Radiation</a> </UL>