I would like to add that with the eventual move to using https://gitlab.com/librespacefoundation/satnogs/gr-satnogs/-/commit/8072219a8ac94a802bd166a25e672bd0796b4424
(I know its probably a while till everything is read.) This will allow to basically using STRF with the waterfall files directly to do orbital stuff. Also you have New software: SatNOGS waterfall tabulation helper which is useful right now for doing TLE stuff with the current waterfalls.