Learning Morse Code in 4 hours
Researchers at the Georgia Institute of Technology have developed a system that teaches people Morse code within four hours using a series of vibrations felt near the ear. Georgia Tech
ISS APRS packet system switched to UHF
Crew member Shane Kimbrough, KE5HOD, has activated an ARISS UHF radio that had been in storage on the ISS, and it is now operational on 437.550 MHz. ARRL
An improved knob for the K2
Compared to tuning knobs on most commercial rigs, the one on the K2 has a rather sharp edge, the effects of which can become obvious if you tune a lot by resting one finger against it. AA7EE
Building an APRS Digipeater
The transceiver is a GM300, with a KAM plus TNC modulating it. If we didn't happen to have a KAM+ on hand, I would have probably used an OT3m from Argent Data. The Life of Kenneth
TYT MD-398 GPS Unboxing
This model is the GPS version. It also comes in a version without GPS. This is a pre-release model, however, it is identical to the Radioddity GD-55 model. Ham Radio Review
