Dear Colleagues, We are happy to announce that registration for the International EISCAT Symposium 2024 and the 48th Annual European Meeting on Atmospheric Studies by Optical Methods is now open. Those who have submitted abstracts will be notified soon of the outcome. The deadline to register for the conference is June 1, 2024. Website, with link to registration and preliminary program: https://uit.no/tavla/artikkel/830164/eiscat_symposium_2024 Venue: UiT The Arctic University of Norway campus, Tromsø, Norway Dates: July 29 - August 2, 2024 Session List: - EISCAT 3D, EISCAT and Complementary Instrumentation - Magnetosphere-Ionosphere-Thermosphere Coupling - Novel Radar and Signal Processing Techniques - Novel Optical Instrumentation - Imager and Aurora Studies - Satellite, Rocket, and Multi-Instrument Studies - D-region and Mesospheric Phenomena - Meteors and Space Debris - Machine Learning in Space and Atmospheric Physics - Modelling of Auroral/Magnetospheric Processes - Active Ionospheric Experiments (Heating, etc.) - Space Weather Accommodations: Due to the demand for hotels in Tromsø during the summer months, it is recommended to book your hotel/accommodations as soon as possible. The registration fee covers coffee breaks, lunches, a visit to the EISCAT 3D Skibotn site, conference style presentations, a poster session, and a banquet dinner. We look forward to seeing you in Tromsø for the Symposium! For any inquiries or requests for more information, please contact: EISCAT_Norway(a)uit.no Best regards, Devin Huyghebaert on behalf of the Local Organizing Committee (LOC) LOC: Björn Gustavsson Devin Huyghebaert Inger Solheim Ingrid Mann