public double getRadius( DistType t )
	{
		if( t == DistType.MILES )
			return convertDist( radius, DistType.NAUTS, DistType.MILES );
		else if( t == DistType.KILO )
			return convertDist( radius, DistType.NAUTS, DistType.KILO );
		
		return radius;
	}