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% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2024
% 6-Minuten Grenzwerte BIMSCHV
\pgfkeys{/pgf/number format/.cd,1000 sep={\,}}
\begin{tikzpicture}
\pgfplotsset{samples=200}
\begin{axis}[
axis on top,
height=5cm,
scale only axis,
width=\linewidth*\getDarcImageFactor,
xmin = 0.1,
xmax = 300000,
ymin = 0,
ymax = 100,
domain = 0:300000,
xmode=log,
log ticks with fixed point,
smooth,
xlabel={Frequenz in \unit{\mega\hertz}},
ylabel={Feldstärke in \unit{\volt\per\metre}}
]
%2,2km
\fill[color=DARCgray](axis cs: 135700e-6,0) rectangle (137800e-6,10000);
%630m
\fill[color=DARCgray](axis cs: 472000e-6,0) rectangle (479000e-6,10000);
%160m
\fill[color=DARCgray](axis cs: 1810000e-6,0) rectangle (2000000e-6,10000);
%80m
\fill[color=DARCgray](axis cs: 3500000e-6,0) rectangle (3800000e-6,10000);
%60m
\fill[color=DARCgray](axis cs: 5351500e-6,0) rectangle (5366500e-6,10000);
%40m
\fill[color=DARCgray](axis cs: 7000000e-6,0) rectangle (7200000e-6,10000);
%30m
\fill[color=DARCgray](axis cs: 10100000e-6,0) rectangle (10150000e-6,10000);
%20m
\fill[color=DARCgray](axis cs: 14000000e-6,0) rectangle (14350000e-6,10000);
%17m
\fill[color=DARCgray](axis cs: 18068000e-6,0) rectangle (18168000e-6,10000);
%15m
\fill[color=DARCgray](axis cs: 21000000e-6,0) rectangle (21450000e-6,10000);
%12m
\fill[color=DARCgray](axis cs: 24890000e-6,0) rectangle (24990000e-6,10000);
%10m
\fill[color=DARCgray](axis cs: 28000000e-6,0) rectangle (29700000e-6,10000);
%6m
\fill[color=DARCgray](axis cs: 50000000e-6,0) rectangle (52000000e-6,10000);
%4m
\fill[color=DARCgray](axis cs: 70000000e-6,0) rectangle (70500000e-6,10000);
%2m
\fill[color=DARCgray](axis cs: 144000000e-6,0) rectangle (146000000e-6,10000);
%70cm
\fill[color=DARCgray](axis cs: 430000000e-6,0) rectangle (440000000e-6,10000);
%23cm
\fill[color=DARCgray](axis cs: 1240000000e-6,0) rectangle (1300000000e-6,10000);
%13cm
\fill[color=DARCgray](axis cs: 2320000000e-6,0) rectangle (2450000000e-6,10000);
%9cm
\fill[color=DARCgray](axis cs: 3400000000e-6,0) rectangle (3475000000e-6,10000);
%6cm
\fill[color=DARCgray](axis cs: 5650000000e-6,0) rectangle (5850000000e-6,10000);
%1.2cm
\fill[color=DARCgray](axis cs: 24000000000e-6,0) rectangle (24250000000e-6,10000);
%
\addplot[DARCred, very thick, domain={0.1:1}]{87};
\addplot[DARCred, very thick, domain={1:10}]{87/sqrt(x)};
\addplot[DARCred, very thick, domain={10:400}]{28};
\addplot[DARCred, very thick, domain={400:2000}]{1.375*sqrt(x)};
\addplot[DARCred, very thick, domain={2000:300000}]{61};
\end{axis}
\end{tikzpicture}