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\section*{Justification For Supplement}

\bigskip

As of December 2006, all the subsystems required to perform an
end-to-end lab evaluation of the first 1x8 row of SuperCam have been built
and tested. Only the SIS devices (scheduled to arrive in early 
January 2007) are needed to conduct further lab tests. Once the first
SuperCam row has been demonstrated, we will replicate the remaining 
1$\times$8 mixer arrays, bias cards, and IF processing boards. Since the components are
being replicated, we know the costs associated with their fabrication to
a high degree of certainty. Most of the subsystem costs fall within the original
2004 budget. However, additional funds are needed for parts and labor to complete the 
expansion of the array
to its full 8x8 format and fabricate the telescope re-imaging optics. 

Figure~\ref{overview} outlines the subsystems that require further effort and the
{\bf procurement costs} necessary for their completion. The Supplement budget
also includes funds for the individuals needed to complete and test the full
array.   If Supplemental funding is provided by March 2007, SuperCam
should be completed by the end of 2007.
   

\bigskip

\begin{figure}[!hbt]
\centering
\includegraphics[scale=1,angle=0]{figures/supercam-suppl.eps}
\caption{\label{overview} {\small Overview of the scope of work and
    procurement costs associated 
    with this supplemental budget request.  All SuperCam
    technology development is complete, leaving only the
    fabrication and labor costs for producing the remaining rows of the array.}}
\end{figure}

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