No, these are not secret callsigns from spy stations. These are small LED driver ICs. Ingenious small cheap devices that feature a solar ch...

 I'm now at the point I feel there is no progress. It might be there but I don't feel it. I still practice every day. But not only t...

From the original post:  https://ve7sar.blogspot.com/2025/04/tomorrow-starts-mannachowhound-weekend.html Operations Manna and Chowhound were...