Yes... the Astron RS70M has provisions for piggybacking 73, Mike/N4ZN Charleston, SC - USA n4zn@amsat.org member Know Code International -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com Search: http://www.contesting.com/km9p/search.htm