HI Yvon AE7YD.
I bought this too. Unfortunately, the FT8 mode contains 50Hz noise. The power supply needs to be modified. I am working on the modification now.
HA8LKT Laci
Yvon AE7YD via <Yvon=[email protected]> ezt ¨ªrta (id?pont: 2025. m¨¢j. 4., V 6:26):