public Position decodePosition(Position receiver, AirbornePositionV0Msg msg) {
		return decodePosition(System.currentTimeMillis()/1000.0, receiver, msg);
	}
public Position decodePosition ( Position receiver , AirbornePositionV0Msg msg ) { return decodePosition ( System . currentTimeMillis ( ) / 1000.0 , receiver , msg ) ; }
@param receiver position of the receiver to be included in the reasonableness test
@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.