sgdass: added option upgrade to sgdass_update.py malo: added support of new NASA numerical model GEOS-IT. Added sanitizing wget command line spd,spd_client: revised handling of slant path delay in binary format computation, export, and import. Changed format of bsdp_summary.txt files. Added bspd_util. The old VTD,PIMA,pSolve may not be compatible with the new slant path delays malo: revised handling site displacement in bindsip format. vtd: updated handling slant path delays petools: fixed a regression introduced in 2022 that made pSolve much slower. Added support of writing graphic files in png format. pSolve: fixed reporting station positions when a priori velocities were applied. Added a new package log2ant