\usepackage[T1]{fontenc}
\usepackage{textcomp}
\usepackage{graphicx}
\usepackage{color}
\usepackage{crimson}
%\definecolor{insFarbe}{cmyk}{0.15,0,1.0,0}
\definecolor{insFarbe}{rgb}{0.854901961,0.898039216,0.149019608}
\newlength{\ADDRwd}
\setlength{\ADDRwd}{76mm}
\newcommand{\INSAdressePunkt}{\textcolor{insFarbe}{\textbullet\ }}
\newcommand{\INSAdresseUnten}{\bottomtext{
\begin{flushright}
\parbox[t]{\ADDRwd}{
\begin{center}
{\fontencoding{T1}\fontsize{8}{14}\fontseries{m}\fontshape{n}\selectfont 
{ \crimsonsemibold Institut f\"ur Numerische Simulation}\\ \crimson
Rheinische Friedrich-Wilhelms-Universit\"at Bonn\\
Endenicher Allee {\fontfamily{pplj}\fontsize{7}{14}\selectfont 19b} \INSAdressePunkt {\fontfamily{pplj}\fontsize{7}{14}\selectfont 53115} Bonn \INSAdressePunkt  Germany\\
phone {\fontfamily{pplj}\fontsize{7}{14}\selectfont +49 228 73-69828} \INSAdressePunkt fax {\fontfamily{pplj}\fontsize{7}{14}\selectfont +49 228 73-69847} \\
www.ins.uni-bonn.de 
}
\end{center}
}
\end{flushright}
}}%newcommand

\def\briefkopf{
\vspace*{7truemm}
\hspace{.2em}
\begin{flushright}
\includegraphics[width=\ADDRwd]{inslogo}
\end{flushright}
\hfill
 \parbox[t]{\ADDRwd}{
\begin{center}
{\fontencoding{T1}\fontsize{8}{14}\fontseries{m}\fontshape{n}\selectfont 
{\crimsonsemibold \insName}\\
%Geowissenschaften und Vermessungswesen\\
\crimson phone {\fontencoding{T1}\fontfamily{pplj}\fontsize{7}{14}\selectfont \insPhone} \INSAdressePunkt \crimson fax {\fontfamily{pplj}\fontsize{7}{14}\selectfont \insFax}\\
\crimson \insEMail}
\end{center}
}%parbox
}%briefkopf

\date{\parbox[t]{\ADDRwd}{\begin{center}Bonn, \insDate \end{center}}}
\address{\briefkopf}
\phone{(0228)}{73-3437}
\def\FS{{\fontencoding{T1}\fontsize{8}{14}\fontseries{m}\fontshape{n}\selectfont 
\crimson Institut f\"ur Numerische Simulation \INSAdressePunkt
Endenicher Allee {\fontfamily{pplj}\fontsize{7}{14}\selectfont 19b} \INSAdressePunkt {\fontfamily{pplj}\fontsize{7}{14}\selectfont 53115} Bonn
}}
% ~TU\,Berlin,~Stra{\ss}e des 17. Juni 136,~10623\,Berlin\rule[-1ex]{0pt}{0pt}}
\nowindowrules
% \nobackaddressrule
\setbottomtexttop{705pt}
\centeraddress
\setlength{\textwidth}{171mm}
\setlowerfoldmarkvpos{105mm}
\renewcommand{\rmdefault}{\sfdefault}
\usepackage{helvet}
\newlength{\distTop}
\setlength{\distTop}{98.5mm}
\newcommand{\startTiefer}[1]{\addtolength{\distTop}{#1}\setreflinetop{\distTop}}

\signature{\insName}