I've used the two port USB adapter from http://www.usbwholesale.com/us232%202port.htm with the Orion under WinXP with both WriteLog and N1MM Logger with good results. 73, Barry N1EU www/n1eu.com __________________________________ Do you Yahoo!? Yahoo! Mail SpamGuard - Read only the mail you want. http://antispam.yahoo.com/tools