Ham Radio Digital Modem Application
Weak signal ham radio communication
Command-line calculator for Maidenhead- (QTH-, QRA-) Locators.
OHHamLogger on helppokäyttöinen radioamatöörilokiohjelma,
Multiplatform Ham Radio APRS and Mapping Program
Amateur Radio (Ham) exam preparation tool
SimPyl - The Simple Python Logger
An impressive early implementation of TCP/IP
A Java application for transferring computer files in 5 letter groups