Your device provides the following data:

latitude deg N	longitude deg E	var256 deg (CW from N)
lat prior deg N	long prior deg E	var255 deg (CW from N)
acceleration x,y,z m/s	device ground speed m/s	device heading deg (CW from N)
alpha,beta,gamma deg (CW from N, around h-axis, around v-axis)	alpha,beta,gamma speed deg/sec	elapsed time between geo calls sec
device orientation/tilt	rotational speed interval sec
current time	Platform	time