Posted by Olga Burtseva | December 14, 2025 | General news

The next month of the National Science Foundation’s (NSF’s) Global Oscillation Network Group (GONG) data products is now available. The most recent processing includes the following products:

– network-merged daily velocity and magnetogram images, p-mode-coefficient time series, and mode parameters and flow measurements from ring-diagram technique for GONG month 308 covering the period 20250809 to 20250913

– p-mode frequency data products for central GONG month 307 spanning 20250704 to 20250808

The schedule of GONG helioseismology product releases can be seen at https://gong2.nso.edu/vmbi_pub_sched.html. If you have any questions about the data or identify any issues, please contact us at [email protected].