I'm fascinated with the Chester County Emergency Comms OpenMhz feed. Does anyone know what this system consists of and how was it programmed? Some of my questions, What type of SDR receiver is being used? What it the sdrTrunk software running on? Where is the system located in the county? What sort of antenna array is used? I'd love to try and replicate the environment myself. I'm located in western chester county in Wallace Twp. Thanks in advance for any help.