EGS4 courses are held approximately once a year. A list of past and future courses is given below. Past courses are linked to pictures of the participants. Future courses are linked to more information on how you can attend one of these courses.

• Ottawa, Canada, 86/2/17 - 86/2/20, hosted by the National Research Council of Canada
• Ottawa, Canada, 87/2/16 - 87/2/19, hosted by the National Research Council of Canada
• London, United Kingdom, 89/9/25 - 89/9/28, hosted by the National Physical Laboratory
• Ottawa, Canada, 90/9/24 - 90/9/27, hosted by the National Research Council of Canada
• Seattle, Washington, 92/3/9 - 92/3/12, hosted by the Institute for Applied Physiology and Medicine
• London, United Kingdom, 93/9/6 - 93/9/10, hosted by the National Physical Laboratory
• Capri, Italy, 94/6/28 - 94/7/1, hosted by the University of Naples Department of Physics
• Seattle, Washington, 95/3/6 - 95/3/9, hosted by the Lanzl Institute for Medical Physics
• Montpellier, France, 96/6/10 - 96/6/13, hosted by the CEA and the University of Languedoc