Updates to the RFD payload side software (June 13, 2017). These updates are only necessary if you are supplementing GPS reports tot he ground station with the RFD system. These updates will NOT hamper your system if you would like to update your RFD Pi code even if you are not using a supplemental GPS to update your ground station for tracking.
Updated instructions (pdf) can be found here: Flashing SD card with new RFD ISO
As a reminder, here are some instructions on using the Pi as a computer: Using the Pi as a Computer
The new ISO can be downloaded here: June 2017 RFD ISO
The instructional video can be found below: