You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
RadioReference.com Forums
Here is an interesting story about a fascinating use of cw to communicate with those held by Colombian rebels. Since this forum does cover cw, I hope this radio history article may be of interest--although no mention of HF radio is made-- Morse saves souls again in this saga: The Colombian army sent a hidden message to hostages inside a pop song
If this is not the correct forum, please feel free to redirect it.
Thanks,