\documentclass[10pt]{article}
\usepackage{epsfig,rotating,times,psfrag,pstricks,tikz}
\usepackage{xcolor,array,graphicx}
\usepackage{amsmath,amssymb}
\pagestyle{empty}
\begin{document}
\small
\psfrag{4} [c][c]{~~4}
\psfrag{6} [c][c]{6}
\psfrag{8} [c][c]{8}
\psfrag{10} [c][c]{10}
\psfrag{12} [c][c]{12}
\psfrag{14} [c][c]{14~~}
\centerline{\includegraphics[width=100mm]{figure1.eps}}
\begin{picture}(0,0)(0,0)
\put(0,190){~~0}
\put(0,170){-10}
\put(0,150){-20}
\put(0,130){-30}
\put(0,110){-40}
\put(0,90){-50}
\put(58, 20){$\mathbf{R}_{\mathbf{yx}}$}
\put(105, 20){$\mathbf{R}_{\mathbf{xy}}$}
\put(-12,147){\makebox(0,0)[it]{\begin{sideways}{\normalize Reflection (dB)}\end{sideways}}}
\put(159,-5){\makebox(0,0)[ct]{\normalize Frequency (GHz)}}
\begin{tikzpicture}
\path(0,0) coordinate (origin);
\draw[very thick,blue](1.2, 0.8)--++(.75,0);
\draw[dash pattern={on 6pt off 2.5pt on 6pt off 2.5pt},very thick,red](2.9, 0.8)--++(0.75,0);
\end{tikzpicture}
\end{picture}
\end{document}
when I compile my above document I recieve the error /providepackageRCS[v/pgfversion] $Header:/cvsroot/pgf/pgf/generic/pgf... dont know how to deal with it.