> If your carrier freq is 1000kc then the upper sideband w/1kc mod would be > 1001kc and lower sideband would be 999kc. 1001kc + 999KC = 2000kc. > 2000kc / 2 = 1000kc carrier freq. Amazing! Glad to see it works at 1000 kc as well as at 990 kc. Ron, we're dating ourselves by saying "kc:! - JimT