Here is a list of all documented variables with links to the class documentation for each member:

acc_data : Telemetry_Data
AGL : Altimeter_Data
alt_data : Telemetry_Data
altitude : Altimeter_Data
ax : Acceleration_Data
ay : Acceleration_Data
az : Acceleration_Data
gps_altitude : GPS_Data
gps_data : Telemetry_Data
gx : Gyroscope_Data
gy : Gyroscope_Data
gyro_data : Telemetry_Data
gz : Gyroscope_Data
latitude : GPS_Data
longitude : GPS_Data
operation_mode : Telemetry_Data
pitch : Acceleration_Data
pressure : Altimeter_Data
record_number : Telemetry_Data
roll : Acceleration_Data
state : Telemetry_Data
temperature : Altimeter_Data
time : GPS_Data
velocity : Altimeter_Data