利用电脑练习和进行电台通联CW的软件，有需要的请下载交流使用，不完善之处或有新的创意,请各位高手提出宝贵意见或修改源码邮件告知：thy0htsj@163.com-The use of computers to carry out exercises and CW radio communications software, there is a need to download the exchange of use, imperfections or new ideas, please exp