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Dear Colleagues,</div>
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The next URSI General Assembly and Scientific Symposium<span style="font-size: 12pt;" class=""> (GASS2020 — </span><strong style="font-family: garamond, "Times New Roman", serif; font-size: 11pt;" class=""><span style="margin: 0px; font-size: 12pt;" class=""><a href="https://www.ursi2020.org" class="">https://www.ursi2020.org</a></span></strong><span style="font-size: 12pt;" class="">)
will be held in Rome from August 29 to September 5, 2020.</span><strong style="font-family: garamond, "Times New Roman", serif; font-size: 11pt;" class=""><span style="margin: 0px; font-size: 12pt;" class=""> </span></strong></div>
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Call for papers is now open with a deadline of 31 January, 2020.</div>
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We would like to draw your attention to </div>
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<b class="">Session GH3: Plasma Instabilities in the Ionosphere</b></div>
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Plasma instabilities in the high, middle, and low latitude ionosphere play a key role in the development and evolution of structures in the Geospace environment, including processes in both the E and F regions. They often are associated with irregularities
which can be experimentally observed using radar and radio techniques, as well as in situ observations. Linear and non-linear theory is often used to predict instability thresholds, amplitudes, and velocities. Simulations have recently been quite successful
in the details study of irregularity micro-structure, time evolution, and k-space behavior This session will encourage discussion of new developments in the theoretical, simulation, and experimental observations relevant to the study and understanding of
ionospheric plasma instabilities. The effects of ionospheric instabilities on other Geospace phenomena will also be of interest. This includes coupling to the magnetosphere and impacts of the lower atmosphere on instability growth and development.</div>
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<span style="font-size: 12pt;" class="">Note that this is a joint session between Commissions G and H. </span></div>
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Looking forward to seeing you in Rome!</div>
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— Rob Pfaff, NASA/Goddard Space Flight Center, co-convener</div>
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— Erhan Kudeki, University of Illinois, co-convener</div>
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P.S. Note that URSI GASS2020 includes the possibility to submit extended abstracts, Summary Papers (select the option to include the paper in IEEEXplore or not), and Student Paper Competition Full Papers. See details here: <span style="font-family: garamond, "Times New Roman", serif; margin: 0px; font-size: 12pt;" class=""><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ursi2020.org_author-2Dinfo-2Dabstract-2Dsubmission_&d=DwMFAw&c=ApwzowJNAKKw3xye91w7BE1XMRKi2LN9kiMk5Csz9Zk&r=SIKYhMjM1w5pQlPkR2XnG_nPCTbxhgA5JAPVFPMJhvk&m=5aWLquK3a5NSZD_CCDFv1Z_ZLqCEWIiBVGixFCjD3ic&s=QyhFCcHxlO-yyGxycYzhYQGVs5GUWrm_4ajBD1LHxvE&e=" target="_blank" rel="noopener noreferrer" style="margin: 0px;" class="">https://www.ursi2020.org/author-info-abstract-submission/</a></span><span style="font-family: garamond, "Times New Roman", serif; margin: 0px; font-size: 12pt;" class="">.</span></div>
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