% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2026
\begin{tikzpicture}
    \begin{scope}[rotate=90]
        %
        \fill[gray!50](1,3.5)
            -- ++(1,0)
            -- ++(0,-4)
            -- ++(0.5,0)
            -- ++(-1,-1) coordinate(x1)
            -- ++(-1,1)
            -- ++(0.5,0)
            -- cycle;
        %
        \fill[gray!50](3,3.5)
            -- ++(1,0)
            -- ++(0,-4)
            -- ++(0.5,0)
            -- ++(-1,-1) coordinate(x2)
            -- ++(-1,1)
            -- ++(0.5,0)
            -- cycle;
        %
        \draw(x1) to [open, name={h1}] (x2);
        \draw(h1.center) node[anchor=south, rotate=-90](){Strahlungsrichtung};
        %
        \draw [very thick] (0,4) -- ++(5,0) node[anchor=south](){Reflektor};
        \draw [very thick] (2.25,1.5)
        to [short,o-] ++(-1.5,0)
        arc(90:-90:-0.15) coordinate(c1);
        \draw [very thick] (2.75,1.5)
        to [short,o-] ++(+1.5,0)
        arc(-90:90:0.15) node[rotate=0, anchor=south, pos=0.5](){Strahler} coordinate(c2);
        \draw [very thick] (c1) -- (c2);
        \draw [very thick] (0.75,0) -- ++(3.5,0) node[anchor=south](){Direktor};
    \end{scope}
\end{tikzpicture}