FT4 vs FT8 - A new Ham Radio mode, what's the difference? - YouTube
Ham Radio Deluxe Logbook | QSO Logger with Awards for DXers
Amazon.com: Digirig Mobile - Integrated Digital Modes Interface for Amateur Radio (Rev 1.9) : Electronics
FT4 Frequencies
FT8 Frequencies
FT4 digital mode now available in WSJT-X release candidate 5 | Q R P e r
SDR Control for Icom iPad version 1.0.21 released – Mac Ham Radio
FT4, NEW Digital Mode For HF/6M, Faster Than FT8 - YouTube
AMSAT-SM (SM0TGU Lars) on Twitter: "Testing WSJT-X_Improved version with RX band hopping feature for FT8/FT4. #hamradio https://t.co/nu2yA6vBJq" / Twitter
WSJT-X version 2.1.0-rc5 – introducing the FT4 Protocol for Digital Contesting – Mac Ham Radio
FT4 vs FT8 - A new Ham Radio mode, what's the difference? - YouTube
FT8/FT4 Digital Modes Group (Welcome To All Licensed HAM) | Facebook
Log4OM 2 – Log for the Old Man
Ham Radio Deluxe Logbook | QSO Logger with Awards for DXers
MSHV Amateur Radio Software | LZ2HV Amateur Radio Website
FT8RX - FT8 Decoder – Apps on Google Play
FT4 Frequencies
2E1ADT - Callsign Lookup by QRZ Ham Radio
Ham Radio For Dummies, 4th Edition | Wiley
DJ9ZL digital modes
The Simplest FT8 Transceiver You'll Ever Build | Hackaday
JTAlert 2.16.3 – Update – FT8 – FT4 - iz4wnp - Italian Radio Station
FT8 & FT4 for Beginners & Established Users- 01/19/2023 - YouTube