Category: Publications

Rtty softmodem

RTTY Softmodem

A simple real-time RTTY (Radio Teletype) software modem application written in Python. It supports receiving and transmitting Baudot-coded RTTY signals using your computer’s sound card and optionally controls PTT via serial port RTS line.

Communication reference book image.

Communication Reference Book

Simple Communication Reference Book in A5 size with reference to RST, Q-Codes, UK ham radio band plans, Antenna lengths, Emergency Communication Abbreviations/Prowords, Emergency Comms Frequencies. 73’s 2E0UMR