For those wanting the operator's manual, and the maintenance manual, I have them both in PDF form. Zipped together they make 711KB. Send request to me direct and I'll send them by E-mail. Bob - N0DGN Craf-T-Bob (mywebpages.comcast.net/rbethman/) (Because I love Hallicrafters!) R-390A EAC '67, R-390A Collins '52, BC-610I, BC-939B, and BC-614E