diff --git a/data/Level0/Lake_Greifen_CTD_W_2021-06-28.txt b/data/Level0/Lake_Greifen_CTD_W_2021-06-28.txt
index fd05e7d666797639311ed26143a5b50d448b0c04..1de86f2c2e45cc0cf4dc0b625dbffabb9d462b4c 100644
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+++ b/data/Level0/Lake_Greifen_CTD_W_2021-06-28.txt
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diff --git a/data/Level1A/Lake_Greifen_CTD_W_2021-06-28.nc b/data/Level1A/Lake_Greifen_CTD_W_2021-06-28.nc
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--- /dev/null
+++ b/data/Level1A/Lake_Greifen_CTD_W_2021-06-28.nc
@@ -0,0 +1,3 @@
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