\begin{table}%T8
\par
  \caption{\label{tab:pred-1514d}Predicted rest-frequencies, estimated $1\sigma$ uncertainties, and line strengths
           for $^{15}$NND$^+$.}
  \small%\centering
\par
  \begin{tabular}{ccccccc}
    \hline\hline\noalign{\smallskip}
    $J'$ & $F'$ & $J$ & $F$ & {Rest frequency} & {Uncertainty} & {Line strength} \\
         &      &     &     & {(MHz)}          & {(kHz)}       &                           \\
    \hline 
     1  &   1  &   0  &   1  &    74~760.5619  &  0.0016  &     1.000  \\
     1  &   2  &   0  &   1  &    74~760.9788  &  0.0010  &     1.667  \\
     1  &   0  &   0  &   1  &    74~761.5650  &  0.0029  &     0.333  \\
     2  &   2  &   1  &   2  &   149~520.0106  &  0.0024  &     0.500  \\
     2  &   1  &   1  &   0  &   149~520.0844  &  0.0020  &     0.667  \\
     2  &   2  &   1  &   1  &   149~520.4274  &  0.0014  &     1.500  \\
     2  &   3  &   1  &   2  &   149~520.4628  &  0.0015  &     2.800  \\
     2  &   1  &   1  &   1  &   149~521.0874  &  0.0031  &     0.500  \\
     3  &   2  &   2  &   1  &   224~277.1110  &  0.0020  &     1.800  \\
     3  &   3  &   2  &   2  &   224~277.1849  &  0.0019  &     2.667  \\
     3  &   4  &   2  &   3  &   224~277.2074  &  0.0020  &     3.857  \\
     4  &   3  &   3  &   2  &   299~029.7594  &  0.0024  &     2.857  \\
     4  &   4  &   3  &   3  &   299~029.7948  &  0.0023  &     3.750  \\
     4  &   5  &   3  &   4  &   299~029.8115  &  0.0024  &     4.889  \\
     5  &   4  &   4  &   3  &   373~776.8521  &  0.0026  &     3.889  \\
     5  &   5  &   4  &   4  &   373~776.8746  &  0.0025  &     4.800  \\
     5  &   6  &   4  &   5  &   373~776.8882  &  0.0026  &     5.909  \\
     6  &   5  &   5  &   4  &   448~517.0252  &  0.0026  &     4.909  \\
     6  &   6  &   5  &   5  &   448~517.0419  &  0.0025  &     5.833  \\
     6  &   7  &   5  &   6  &   448~517.0536  &  0.0026  &     6.923  \\
     7  &   6  &   6  &   5  &   523~248.9005  &  0.0024  &     5.923  \\
     7  &   7  &   6  &   6  &   523~248.9141  &  0.0022  &     6.857  \\
     7  &   8  &   6  &   7  &   523~248.9245  &  0.0024  &     7.933  \\
     8  &   7  &   7  &   6  &   597~971.0970  &  0.0022  &     6.933  \\
     8  &   8  &   7  &   7  &   597~971.1087  &  0.0021  &     7.875  \\
     8  &   9  &   7  &   8  &   597~971.1183  &  0.0022  &     8.941  \\
     9  &   8  &   8  &   7  &   672~682.2327  &  0.0027  &     7.941  \\
     9  &   9  &   8  &   8  &   672~682.2432  &  0.0026  &     8.889  \\
     9  &  10  &   8  &   9  &   672~682.2522  &  0.0027  &     9.947  \\
    10  &   9  &   9  &   8  &   747~380.9254  &  0.0041  &     8.947  \\
    10  &  10  &   9  &   9  &   747~380.9350  &  0.0041  &     9.900  \\
    10  &  11  &   9  &  10  &   747~380.9436  &  0.0041  &    10.952  \\
    11  &  10  &  10  &   9  &   822~065.7927  &  0.0065  &     9.952  \\
    11  &  11  &  10  &  10  &   822~065.8018  &  0.0064  &    10.909  \\
    11  &  12  &  10  &  11  &   822~065.8100  &  0.0065  &    11.957  \\
    12  &  11  &  11  &  10  &   896~735.4523  &  0.0095  &    10.957  \\
    12  &  12  &  11  &  11  &   896~735.4609  &  0.0095  &    11.917  \\
    12  &  13  &  11  &  12  &   896~735.4689  &  0.0095  &    12.960  \\
    13  &  12  &  12  &  11  &   971~388.5215  &  0.0134  &    11.960  \\
    13  &  13  &  12  &  12  &   971~388.5298  &  0.0134  &    12.923  \\
    13  &  14  &  12  &  13  &   971~388.5376  &  0.0134  &    13.963  \\
    \hline
  \end{tabular}
\end{table}