code: public Position decodePosition(SurfacePositionV0Msg msg, Position reference) {
  		return decodePosition(System.currentTimeMillis()/1000.0, msg, reference);
  	}
docs: Shortcut for live decoding; no reasonableness check on distance to receiver
  @param reference used for reasonableness test and to decide which of the four resulting positions of the CPR algorithm is the right one
  @param msg airborne position message
  @return WGS84 coordinates with latitude and longitude in dec degrees, and altitude in meters. altitude might be null if unavailable
  On error, the returned position is null. Check the .isReasonable() flag before using the position.