Subject: Preliminary estimated LRA offsets for G082 and G083 From: Steigenberger, Peter Dear colleagues, the latest two GPS satellites G082 and G083 launched in January and April 2026 are both equipped with retroreflector arrays for satellite laser ranging. https://www.spaceforce.mil/News/Article-Display/Article/3832649/lockheed-martin-receives-laser-retroflector-arrays-for-gps-iii-sv9-sv10/ https://www.ssc.spaceforce.mil/Newsroom/Article-Display/Article/4465444/us-space-force-delivers-final-gps-iii-to-orbit-advancing-its-most-resilient-con G082 is tracked by stations of the ILRS since beginning of March 2026. Based on about 6 weeks of normal points and CODE rapid orbits, the follwing preliminary LRA offsets have been estimated: **SVN_ Equipment___________ T ____X_[m] ____Y_[m] ____Z_[m] Comment___________________________  G082 LRA_GPS_III          L    1.2100    0.1300    2.1400 gps82, prel. est. DLR* The residual RMS applying these LRA offsets is about 4 cm. These LRA offsets have been added to the IGS satellite metadata file for both, G082 and G083: https://files.igs.org/pub/station/general/igs_satellite_metadata.snx Best regards, Peter ---------------------------------------------------- Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) German Space Operations Center Oberpfaffenhofen Münchener Strasse 20, D-82234 Wessling, Germany Peter Steigenberger Tel.+49 (8153) 28-3765 e-mailpeter.steigenberger@dlr.de ----------------------------------------------------