Support Site of CW Decoder by JL1BDL
This is the Support Site of CW Decoder developed by JL1BDL in English. CW Decoder developed by JL1BDL was published in Jan/2026 in Japan. And it was very well received for its high performance with very low parts cost . It is completely Free and all Data to build it are available from this site. For the detail of this CW Decoder, please visit the Original Support site (in Japanese) using your translator in the Browser. (It gives good translation than that of myself!! :-) If you find this CW Decoder is " Good " or " Like it! ", I am happy to have your kind contribution. (Like buying a hamberger to your friend.) I prepared some key data in English below. User's Manual can be downloaded from here . Data for building CW Decoder (hardware) is here . Data for building CW Decoder (software) is here...