% Author: Dr. Matthias Jung, DL9MJ
% Year: 2020
\begin{circuitikz}[step=\getDarcImageFactor cm]
    \tikzstyle{help lines}=[black];
    \draw[style=help lines, thin] (0,0) grid (7,5);

    \def\x{1.25} % Zu lang
    %\def\x{3.25} % Zu Kurz

    \draw [ultra thick] plot [rounded corners=10mm] coordinates {
        (\x,5)
        (\x+1,-0.5)
        (\x+2,5)
    };

    \draw(0,0) node[anchor=north](){MHz:};
    \draw(1,0) node[anchor=north](){2,5};
    \draw(2,0) node[anchor=north](){3,0};
    \draw(3,0) node[anchor=north](){3,5};
    \draw(4,0) node[anchor=north](){4,0};
    \draw(5,0) node[anchor=north](){4,5};
    \draw(6,0) node[anchor=north](){5,0};
    \draw(7,0) node[anchor=north](){5,5};

    \draw(0,0) node[anchor=south east](){1};
    \draw(0,1) node[anchor=south east](){2};
    \draw(0,2) node[anchor=south east](){3};
    \draw(0,3) node[anchor=south east](){4};
    \draw(0,4) node[anchor=south east](){5};
    \draw(0,5) node[anchor=east](){SWR:};

    %\draw [ultra thick, draw=grey, fill=gray, opacity=0.2]
    %   (0,0) -- (0,1) -- (1,1) -- cycle;

\end{circuitikz}