DFW uses several physical control towers Al ----- Original Message ----- From: "Alireza Alivandivafa" <DEmocrat2n@xxxxxxx> To: <AIRLINE@xxxxxxxxxxxxxxxxx> Sent: Tuesday, December 02, 2003 3:03 AM Subject: Re: AIRLINE Digest - 28 Nov 2003 to 29 Nov 2003 (#2003-196) >