Difference between revisions of "39 Tone Waterfall"
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* Image courtesy of Mike Chace-Ortiz. Used with Permission | * Image courtesy of Mike Chace-Ortiz. Used with Permission | ||
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| + | ==Related Links== | ||
| + | * [http://www.ominous-valve.com/39tone.html Utility World - NATO 39 Tone Modem] | ||
[[Category:United States HF Waterfalls]] | [[Category:United States HF Waterfalls]] | ||
Latest revision as of 09:10, 7 April 2016
- Image courtesy of Mike Chace-Ortiz. Used with Permission