Aldo is a morse code learning tool released under GPL.
Aldo is a morse code learning tool released under GPL, which provides four type of training methods 1,Classic exercise Identify random characters played in morse code. 2, Koch method Two morse characters will be played at full speed (20wpm) until you'll be able to identify at least 90 percent of them. After that, one more character will be added, and so on. 3, Read from file Identify the morse code generated from a file. 4, Callsign exercise Identify random callsigns played in morse code.
For versions of Ubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf), as well as Ubuntu flavours that don’t include snap by default, snap can be installed from the Ubuntu Software Centre by searching for snapd.
Alternatively, snapd can be installed from the command line:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install aldo, simply use the following command: