@David-Polášek, hi again finally managed to make a cotrail finder work, for a squarehead like me it took 5 days to klick on the map, but could i get an explanation to the advanc ed analysis, rhi ,rhw,etc etc?
height i understand, but a ''persistency'' introduction would be fine too...
by the way, 36 trails above me now at åkrehamn, pretty unusual for an usually black hole in the sky