Ham Radio operating aids for specific modes
This WIKI page provides both Waterfall images and audio files to assist in identifying digital signal heard on the Amateur HF bands.
TAPR (Tuscon Amateur Packet Radio) Corp.
FST4, FST4W, FT4, FT8, JT4, JT9, JT65, Q65, MSK144, and WSPR, as well as one called Echo for detecting and measuring your own radio signals reflected from the Moon.
Provides several audio and visual alert types based on decoded Callsigns within WSJT-X along with automatic log interface.
JS8Call is software using the JS8 Digital Mode providing weak signal keyboard to keyboard messaging to Amateur Radio Operators.
An early weak signal protocol now replaced by WSJT-X FT8/FT4 modes.
The Wikipedia definition for RTTY.
This site is dedicated to helping D-STAR users world wide. From basic information on what D-STAR is to detailed technical information,
Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks.
W6AER web site about DMR digital mode.
