Copy CW is tool to practice and learn CW, i.e. Morse Code.
It uses both the Koch and Farnsworth techniques. It offers
a variety of word counts and levels.
Apologies, but the W3C
WebAudio interface is currently only supported
and Safari browsers.
Copyright 2013 F Knauss AG6TC
Thanks to KE3Z
, as well as
for the info used to write this.
Any faults are due to my ignorance rather than any failure on their part.