I am working on a project involving the PXF mini connected to a Raspberry Pi 2 and rtl-sdr dongle (https://www.adafruit.com/product/1497). We are trying to get the flight signals in through this dongle at frequencies between 500-700 Mhz. We are using the copter mode as well for the PXF mini.
Any help on modifying the code to accomplish this? Also, can you point us to a library to send the flight instructions from our ground station, we are using a Raspberry Pi on this end as well