Reference the comments on operating AO-85 by Dani ( M0HXM /EA4GPZ ) and the frequencies that he states that he uses Dani - Typing error I am sure .- You make reference to 436 Mhz but it should be 435 Mhz on the uplink. Regards and good luck. Ken Eaton GW1FKY Amsat -UK Amsat NA