KPC3335: The 19th World ARDF Championships
(News from 우정사업본부 / KoreaPost) On 31 August 2018 KoreaPost released a stamp commemorating “The 19th World ARDF Championships” or “제19회 세계 전파방향탐지 선수권대회”. For more information on the ARDF Championships see the Korean Amateur Radio League (KARL) website.
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