This is a firmware release for the SkyRocket Streaming GPS drone.

There are 3 firmwares that can be updated:

 - Sonix firmware for the video board
 - ArduPilot firmware for the flight board
 - transmitter firmware

Each firmware is available in multiple formats. The correct formwat
depends on how the firmware update is being done.

Sonix Firmware
--------------

The Sonix firmware is available in 3 formats:

  - FIRMWARE_660R.bin is the format to use for updates via the upgrade
    page of the web application

  - FIRMWARE_660R_F.bin is the format to use for updates via the
    microSD card when the bootloader pin is used on the Sonix board

  - PHY-FS.bin is the format for factory loading onto the Sonix

ArduPilot Firmware
------------------

The ArduPilot flight firmware is available in 3 formats:

  - arducopter.abin for loading via the upgrade page of the web server

  - arducopter.bin for loading via a STLinkv2 or similar adapter

  - arducopter.px4 for loading via conventional ArduPilot GCS

Transmitter Firmware
--------------------

The transmitter firmware is available in 3 formats:

  - combined.ixh for loading via the STLinkv2 tools

  - combined.bin for loading a bin file via STLinkv2 tools

  - txmain.img for loading via the upgrade page of the web server