\chapter{XRCF LRF Measurements} \label{chap:xrcf_lrf} \section{Overview} \clearpage \section{Periods and Angles} \label{sec:periods_angles} \input{pre_periods_angles} \clearpage \section{LRF Core: Period and Roll Variations} \label{sec:lrf_core} \input{pre_lrf_core} \clearpage \section{MEG Mis-Aligned Gratings} \label{sec:mis_align} \input{pre_mis_align} \clearpage \section{Between Core and Scatter} \label{sec:core_scatter} \input{pre_core_scatter} \clearpage \section{Scatter Tests} \label{sec:scatter} \input{draft_xrcf_scatter} \clearpage \section{Offaxis and Defocus Tests} \label{sec:offaxis_defocus} \input{pre_offaxis_defocus} \clearpage \section{ACIS-S Rowland Conformance} \label{sec:acis_rowland} \input{draft_acis_rowland}