[soft_radio] New version V0.4 of the WinRad ExtIO_Si570.dll

[pe0fko]

I released a new version V0.4 of the WinRad ExtIO_Si570.dll
I hope you will like it and find it use full.
< http://home.ict.nl/~fredkrom/pe0fko/ExtIO_Si570/ >

73, Fred
PE0FKO