TEN-TEC buffs, I would like to find a keyer for my Ten-Tec 580 Delta, KR51??, needs to be self contained and operate off of the 12 dc buss. also looking for the cw filter for it (500) hz. Thank You Dennis K6RCL -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com