Stratux is an open-source ADS-B receiver you can build yourself or buy pre-assembled for under $250. It gives iFly traffic, weather and, on most builds, GPS and attitude. It is the least expensive receiver iFly supports, and the one that most often needs a little maintenance.
AHRS needs a GPS lock
The attitude output on a Stratux does not start until its GPS has a fix. Give it a clear view of the sky and a couple of minutes before judging the attitude display.
http://192.168.10.1 (while on its Wi-Fi) shows its own status: GPS fix, towers heard, traffic count. It is the quickest way to tell a Stratux problem from an iFly problem.The Stratux runs from a microSD card, and that card fills up or corrupts over time. Symptoms are no status light, a Wi-Fi network that never appears, or a unit that boots and then vanishes. The fix is to rewrite the card: Reflash a Stratux SD card. A pre-imaged replacement card is also available from our store.