Other SDR hardware devices can be used, such as an ADALM-Pluto. The flowgraph below produces Morse code which keys an SDR hardware device directly. The most recent 20 lines will be displayed. Whatever you type not only will be sent as Morse Code, but will be displayed on the screen.
#Sdr morse decoder for mac
Similar commands work for Mac and Windows. Note: These instructions are written for a Linux OS.
See What is GNU Radio? and Installing GNU Radio for background information. speed can be set to anything from 1 to 48 wpm.waveform shaping is done with a Raised Cosine Filter.The initial release had a simple low-pass filter and used a speed setting method which limited it to factors of 48.If you have GNU Radio version 3.7, you can recreate the flowgraph and copy the epy_block_0_0.py file into an Embedded Python block to create the "Morse code vector source" block. These flowgraphs were developed with GNU Radio version 3.8.1.0, and have been tested on version 3.9.0.0 as well. An alternative presented later can key an SDR hardware device directly. The audio output can be fed to a Single Sideband (SSB) transmitter to generate a CW signal. This program generates Morse code from keyboard input.