CQ ham radio July 2009 issue together with 7MHz CW transmitter board was exciting among QRPers. Marutsu is still handling both the parts kit and the past issue. The transmitter including relay QSK circuit is designed by JA QRP club member JF1RNR Imai-san. Marutsu also selling pre-punched chasis. This one is rather expensive. But if you don't have drills. It is worth to buy. You can build QSK transmitter less than 6K-JPY.
