Could someone please send me a copy of the schematic for the IO-10 Heathkit scope. Send by Adobe Acrobat if you wish. Thank you David Knepper, W3ST/W3CRA Publisher of the Collins Journal Secretary of the Collins Radio Association www.collinsra.com Join today Nets: 14.263 Mhz, 1900Z, Sundays 3.805 Mhz, 2300Z, Mondays