% Author: Dr. Matthias Jung, DL9MJ
% Year: 2022
\begin{circuitikz}
    % Antenne:
    \draw[very thick] (2.55,0) coordinate(start) to [short,-*] ++( 2,0);
    \draw[very thick] (7.05,0) coordinate(end)   to [short,-*] ++(-2,0);

    % Bemaßung:
    \DARCmeasure{start}{end}{0,0.5}{0}{$\frac{\lambda}{2}$}
\end{circuitikz}