In https://www.aavso.org/sites/default/files/software/tg/TransformGeneratorUsersGuideUpdate2023_Final.pdf the link in 3.1 does not work.
clear skies
Hans-Georg (PHG)
I get the same Page not found.
By searching the home page I found:
https://www.aavso.org/tg
which is similar to the URL listed in 3.1 :
www.aavso.org/tg.)
So it is a typo in section 3.1
Ray