<html><body><div dir="ltr" style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Dear colleagues,</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">In accordance with the MGEX requirements, the GFZ MGEX official products have been generated using updated QZSS & BeiDou satellite antenna phase center corrections since 08 February.</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">In the new release, BDS-3 satellites are processed using B1C/B2a observations, while BDS-2 satellites continue to use B1I/B3I observations as before. The updated products treat BDS-2 and BDS-3 as two fully independent systems.</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">The GFZ MGEX products (GFZ0MGX) remain available via CDDIS. In addition, the GBM0MGX products can be accessed from the GFZ FTP directory:</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">WWWW_B1C</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Users are advised to ensure consistency in observation types, satellite antenna corrections, and processing strategies when using these products.</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">The previous combined BDS-2/3 solution (based on unified B1I/B3I observations) will continue to be provided and can be downloaded from the GFZ FTP directory:</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">WWWW_IGS20</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Please feel free to contact me if you have any questions.</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" dir="ltr"><br></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Best regards,</div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Zhiguo Deng</div><div id="ms-outlook-mobile-body-separator-line" data-applydefaultfontstyles="true" style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" dir="ltr"><div dir="ltr" style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;"><br></div></div><div style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;" id="ms-outlook-mobile-signature" dir="ltr"></div></body></html>