WSJT-X is the free software behind FT8 and other weak-signal digital modes. Here is what it does and why it changed ham radio.
How to install WSJT-X, Ham Radio Deluxe, GridTracker, and TQSL, and get them syncing so every FT8 contact logs itself and uploads to LoTW, QRZ, and PSK Reporter automatically.
What the IC-7300 Mark II’s SD card slot actually does beyond firmware and settings backup, and how I use its audio recording feature.