iSquawk app for iPhone and iPad

Squawk is an app that turn your iPhone into an educational aeronautical transponder.
Squawk (from the parrot verso) is the way to ask a pilot to insert a specific code on the transponder.
The transponder is an electronic device capable of receiving radio signals from the ground radar and to respond in turn with a radio signal appropriately coded in order to provide specific information.
iSquawk, acquire all the flight informations by its own sensor (gps and accelerometer) and sent them using the telephon data connections (please check your Mobile Internet plan) to a ground server.
On www.zoomup.it (after login, registration is free) you can track all the active flights in real time or analize your own personal recorded flights.

more information on http://www.zoomup.it/en/pilot-blog/the-transponder-in-aviation
Features:
Mode A enabled selecting tapping ON
Mode C enabled selecting tapping ALT
Mode S enabled selecting tapping EXT
Transponder code selectable tapping on the digit code selectors
Forcing data send tapping IDENT
Aircraft Informations selectable
Data Sending Interval selectable

1- dowload iSquawk on your iPhone
2- Register your free account on www.zoomup.it
3- On iSquawk app go to --> Settings --> account and insert your login and password registered on www.zoomup.it
4- Select your transponder code and the Mode (ON, ALT or EXT)

Remember: continued use of GPS running in the background can dramatically decrease battery life.