Assertion: hf contest | /r/CapableOf | make up to 25,000 contacts
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Source sentences:
text: In the CQ World Wide DX Contest, the world's largest HF contest, leading multi-operator stations on phone and CW can make up to 25,000 contacts in a forty-eight-hour period, while even single operators with world-class stations in rare locations have been known to exceed 10,000 contacts, an average of over three per minute, every minute.