4 ms·
This is precisely the idea of Farnsworth Spacing (used for ham CW): http://www.arrl.org/files/file/Technology/x9004008.pdf http://www.arrl.org/files/file/Techn
by GeorgeTirebiter 8y ago
This is precisely the idea of Farnsworth Spacing (used for ham CW): http://www.arrl.org/files/file/Technology/x9004008.pdf http://www.arrl.org/files/file/Technology/x9004008.pdf