deletions | additions       diff --git a/section_Summary_of_existing_and__.tex b/section_Summary_of_existing_and__.tex  index 81960bd..aa0ffbc 100644  --- a/section_Summary_of_existing_and__.tex  +++ b/section_Summary_of_existing_and__.tex 
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\end{itemize}  Missing: 50-80 GHz, 115-210 GHz  Options for filling in these frequency ranges:  \begin{itemize}  \item GBT 4mm receiver : 67-93 GHz