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Hi Rune,
I just tested a SFZ450F ceramic filter. First I had set a span of 50kHz and I set 3 markers. Than I changed to 50kHz span and all the markers were gone. If you try to set a new marker in the S21 window the data of the marker appears but you won't see the marker in any of the plots.
Very strange.

Kind regards
Norbert, DG1KPN

Hi Rune,
I did some more testing on the marker issue.
I am using a cal-file with 804 points. The CF=450kHz@10kHz span. If I select one segment it works. Selecting two segments ist doesn't.
Obviously it depends upon span and segment settings.
When I load the cal-file with 101 points, I see the same symptom as above.
Hope that helps!

Kind regards
Norbert, DG1KPN

Hi all,
maybe someone likes to know how I did the SFZ450 filter measurements.
Attached is a picture of the test adapter that can be calibrated with tiny SOL.

73, Norbert, DG1KPN

Hi Norbert,
I haven't had time to look at the data yet, as I'm away for an event part
of this weekend, but I just wanted to thank you already for the in-depth
bug report :-)

I will look at it when I get back!
--
Rune / 5Q5R