Current time differences (values +/- 3 or 4 s) between TLEs (in classfd.tle)
and observations:

2023-04-26

Object	Delta-T(min,s)
45874	- 11' 46"
45875	+ 7' 32"
45876	- 33' 56"







Corrected/updated TLEs:
https://hamsat1.home.xs4all.nl/tle.tle