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<span style="font-size:12.0pt;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin">Total Electron Content measurements and modeling have formed a critical tool to studying the ionosphere and its coupling with the atmosphere and magnetosphere. We will
be hosting a session at the 2022 Beacon Satellite Symposium that focuses on measurement techniques and new observations/networks of GNSS observations that contribute to our understanding of the near-earth space environment.
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<span style="font-size:12.0pt;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin">The conference will be held at Boston College August 1-5, 2022, and will include a wide range of topics on the use of beacon measurements to study the ionosphere and
atmosphere. <o:p> </o:p></span></p>
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<span style="font-size:12.0pt;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin">I invite all those interested to submit an abstract for the below session at BSS. Full conference information, including how to submit an abstract can be found at the
conference website: <a href="http://www.bc.edu/bss2022">www.bc.edu/bss2022</a><o:p> </o:p></span></p>
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<span style="font-size:12.0pt;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin">Looking forward to seeing you all in Boston in August.<o:p> </o:p></span></p>
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<span style="font-size:12.0pt;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin">Cheers,<o:p> </o:p></span></p>
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<span style="font-size:12.0pt;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin">David Themens<o:p> </o:p></span></p>
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<b><span style="font-size:12.0pt;mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;color:black"><o:p> </o:p></span></b></p>
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<b><span style="font-size:12.0pt;mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;color:black">Space and Ground-based TEC Techniques and Measurements<o:p> </o:p></span></b></p>
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<b><span style="font-size:12.0pt;mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;color:black">Chairs: David Themens (Univ. Birmingham, UK), Babatunde Rabiu (NASRDA, Nigeria), Sandro Radicella (BC/ICTP,
Italy)<o:p> </o:p></span></b></p>
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<b><span style="font-size:12.0pt;mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;color:black"><o:p> </o:p></span></b></p>
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<span style="font-size:12.0pt;mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin">Availability and quality of ground- and space-based TEC measurements are critical to ionospheric modeling efforts and data
assimilative processes. A number of initiatives have led to deployment of ground observational networks capable of measuring TEC in regions hitherto dearth of TEC data. The increasing amount of available GNSS constellations, ground networks of receiving stations
and altimetry missions able to increase the number of accessible measurements is an important contribution to the data availability. Space based TEC data are being used more and more to characterize the ionosphere under different solar-geomagnetic conditions
mainly through radio-occultation techniques. Differences in performance of different TEC calibration techniques remain a problem particularly when data are used for model validation or assimilation. The session conveners aim to get an updated vision of the
availability of ground and space based high quality TEC data and their use to advanced characterization of ionospheric conditions. Authors are encouraged to present their results obtained using TEC ground and space measurements with special attention to multi-station
or regional coverage and estimate of data retrieval accuracy.<o:p> </o:p></span></p>
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