\begin{figure}[H]
	\centering
    \includegraphics[scale=0.5]{graphs/small_set_rss_no_som.png}\\[-5pt]
  \caption{A small subset of data points in the signal map for \gls{3g} when no \gls{wifi} is connected. \label{small_set_rss_no_som}}
\end{figure}