No 3-letter format accepted in the window. Jim, AD1C, that must be the solution, MD. Thank´s all. Josep EA6BF ----- Original Message ----- From: "Ronald Loneker Sr." <ka2bzs at comcast.net> To: "Josep" <ea6bf at arrl.net> Sent: Wednesday, February 21, 2007 2:26 PM Subject: Re: [Dx4win] WAS > Try DC for MDC