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												01/04/2016 | US 600 Meter Experimenters, Canadian Amateurs Take Part in Berlin Treaty EventExperimental station licensees in the US, including some ARRL 600 Meter Experimental Group (WD2XSH) participants, and radio amateurs in Canada took part in a special event operation in November. 
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												10/28/2015 | ARRL Medium-Wave Experimenters Sponsoring Special Event in NovemberThe 107th anniversary of the Berlin Treaty, which created the international distress frequency at 500 kHz, will be the occasion for a special event operation in that vicinity of the spectrum. 
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