Positionen angepasst, Kopfzeile usw.

ptbletter/ptbletter.cls

@@ -4,7 +4,7 @@
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
 \ProvidesClass{ptbletter}
-    [2015/05/26 v0.1c PTB-Brief-Klasse (RN)]
+    [2017/11/30 v0.2a PTB-Brief-Klasse (RN)]
 
 \let\ptb@tempdima=\@ovxx
 \let\ptb@tempdimb=\@ovyy
@@ -135,11 +135,15 @@
 %\@setplength{refwidth}{40mm}
 \@setplength{refaftervskip}{\z@}
 
+\@setplength{firstheadhpos}{72bp}
+\@setplength{firstheadvpos}{50bp}
+\@setplength{firstheadwidth}{469bp}
+
 \@setplength{firstfoothpos}{72bp}
 \@setplength{firstfootvpos}{764bp}
-\@setplength{firstheadwidth}{469bp}
 \@setplength{firstfootwidth}{\useplength{firstheadwidth}}
 
+
 \footskip= 30bp %
 
 \@setplength{subjectaftervskip}{23bp}
@@ -153,7 +157,18 @@
 \setkomafont{refname}{\sffamily\tiny}
 \setkomafont{refvalue}{\normalfont\footnotesize}
 
+\setkomavar{firsthead}{
+  \sffamily
+  \begin{minipage}[b]{\linewidth}%
+    \sffamily\bfseries\huge
+    Physikalisch-Technische Bundesanstalt\\[3bp]
+    \large
+    Braunschweig und Berlin\\
+  \end{minipage}%
+}
+
 \setkomavar{location}{%
+  \begingroup
   \extrarowheight=-1bp %
   \begin{tabular}%
     {@{}>{\usekomafont{refname}}l<{:}@{~\,}>{\usekomafont{refvalue}}l@{}}
@@ -169,6 +184,7 @@
     \multicolumn{2}{@{}l@{}}{} \\
     \usekomavar*{date} & \usekomavar{date}
   \end{tabular}
+  \endgroup
 }
 
 \setkomavar{firstfoot}{%  TODO: engl/dt