\begin{longtable}{lrlrrlr}
\hline
 group\_session     &   frequency & station   &   id &   timestamp\_unix & timestamp\_iso8601                &    gsr \\
\hline
\endhead
 exp\_2022\_09\_30\_10 &         200 & leopard   &   32 &      1.66456e+09 & 2022-09-30T18:35:38.406389+00:00 & 192720 \\
\hline
\end{longtable}