Proximity Inspection Sensor Array and Remote Radio Frequency Diagnostic Tool

"A significant problem for stakeholders in large satellite systems is the difficulty of getting data about these systems when it counts the most - in orbit and during critical anomalous situations. Near-field diagnostic tools - including visual andinfrared images and close-range radio frequency measurements - are now becoming feasible to examine performance, anomalies, and failures on orbit.AeroAstro proposes the conceptual development of a sensor suite for satellite inspection. The goal is to develop a `toolbox' for inspection and failure diagnosis, and to study how this would be implemented on a mission such as XSS-11.AeroAstro will focus on the development of an RF probe, which could be used in space to inspect the RF signals emanating from a target satellite. This probe would be much like an intelligent spectrum analyzer, which when used in conjunction with acalibrated, wide-bandwidth antenna would be capable of signal level, classification, and quality measurements of a target satellite's transponders, antennas, waveguide assemblies, and near-field RF emissions.Based on patented conceptual work already completed by AeroAstro, the RF probe high-level design relies on straightforward RF technology. Commercial-off-the-shelf components will be used wherever possible, and AeroAstro will leverage other ongoing RF workfor certain components where applicable. AeroAstro will develop a conceptual satellite diagnostic `toolbox' and appl