1. Accumulation of Error in a Row-Card Butler Matrix and its Effects on a Multi-Modal Circular Phased Array Open Access Author: Vassiliou, Simos Title: Accumulation of Error in a Row-Card Butler Matrix and its Effects on a Multi-Modal Circular Phased Array Area of Honors: Electrical Engineering Keywords: Butler MatrixPhased ArrayElectrical EngineeringAntennas File: Download THESIS_FINAL_SCHREYER_REWO.pdf Thesis Supervisors: Gregory Huff, Thesis SupervisorJulio Urbina, Thesis Honors Advisor