Ham radio covers a lot of ground ... have not really caught on in the way that PSK31 has. Until FT8. FT8 is a digital mode, too. It was specifically created to work well in really bad situations ...
Of course, new modes like this are only useful if people start using them and can find each other. For now, you’d probably ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果