보급소
* 모르스 부호 / CW / morse code
https://www.cq.or.kr/exam/guide.do
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http://www.google.co.kr/url?sa=t&rct=j&q=morse%20code&source=web&cd=20&ved=0CIUBEBYwCTgK&url=http%3A%2F%2Fwww.glassgiant.com%2Fgeek%2Fmorse%2F&ei=6Zb6TtvyMK-wiQfAr7SeAQ&usg=AFQjCNFn2G1Te93SJOwrYsjMxXB_nbisgA&cad=rjt
