deletions | additions       diff --git a/untitled.tex b/untitled.tex  index dc4d890..22c5a18 100644  --- a/untitled.tex  +++ b/untitled.tex 
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\documentclass{article}  \usepackage{amsmath}  \usepackage{biblatex}  \usepackage{mathtools} 
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Tricky because you can compensate antenna quality with software. So the equations must capture this trade off.  \end{document}