Al Klase wrote: .... The NC-81X is a stripped > down AC/DC version of the 101X.... It's important to note that the IF frequency is 1560KHz to maimtain reasonable image rejection without the tuned RF amplifier stage present in the NC-100 series.. Al -- Al Klase - N3FRQ skywaves at webex.net Flemington, NJ 08822 Web Page: http://www.webex.net/~skywaves/home.htm