PS Engineering (Greg) at AirVenture August 21, 2019 plightstone Leave a comment https://secureservercdn.net/104.238.71.140/bpd.fa4.myftpupload.com/wp-content/uploads/2019/08/PlaneTalk-Episode-17-AirVenture-PSEngineering-GREG.mp3 Conversation with PS Engineering, at AirVenture, about the new audio panels