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<div><span></span><div>Author: Ningbo WANG (AIR/CAS)</div><div><br></div><div>Dear colleagues,</div><div><br></div><div>We would like to announce the 3rd IAG Commission 4 Symposium: Positioning and Applications, which will take place from 13 to 15 May, 2025, in Wuhan, China. </div><div><br></div><div>As a continued Symposium Series of IAG Commission 4, this event will bring together scientists, researchers, and professionals working across the diverse field of positioning and its applications. The symposium a aims to foster the exchange of ideas and solutions, addressing both practical and theoretical aspects of a wide range of topics, including multi-frequency and multi-constellation GNSS, GNSS augmentation, sensor fusion and integrity monitoring, geodetic atmospheric remote sensing, engineering geodesy, as well as emerging positioning techniques.</div><div><br></div><div><ul><li><b>Event</b>: 3rd IAG Commission 4 Symposium: Positioning and Applications</li><li><b>Dates</b>: May 13-15, 2025</li><li><b>Location</b>: Wuhan, CHINA</li><li><b>Website</b>: <font color="#0000ff">https://iagc4.bdsmart.cn</font></li><li><b>IAG website link</b>: <font color="#0000ff">https://www.iag-aig.org/topic/433</font></li></ul></div><div><br></div><div>We look forward to welcoming you in Wuhan in May 2025!</div><div><br></div><div>Best regards,</div><div>Pawel Wielgosz, Xingxing Li, Ningbo Wang</div></div><div><span>
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