After February 16, 2023, the long name GNSS products archived at the CDDIS will follow the Guidelines for Long Product Filenames in the IGS version 2.0. These guidelines are available at https://files.igs.org/pub/resource/guidelines/Guidelines_For_Long_Product_Filenames_in_the_IGS_v2.0.pdf. For more information, please see IGSMail message 8309 sent February 3, 2023. https://lists.igs.org/pipermail/igsmail/2023/008305.html.