In a message dated 11/19/06 5:42:51 PM, W9RAN at oneradio.net writes: > Looking for a manual, schematic or whatever I can find on a Radiomarine > AR-8506 receiver. > Bob, Schematic and information included in the Radiomarine 4U instruction book. You good in QRZ? Dennis D. W7QHO Glendale, CA