I also am in need of a schematic for a GR-78. does anyone have one they could scan and e-mail me? thanks all, bob ke1fr Listserver Subscription:listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'" Listserver Submissions: heath at listserv.tempe.gov Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"