2021 CQWW VHF Contest
2021 CQ World Wide VHF ContestBegins: 1800 UTC Saturday, July 17Ends: 2100 UTC Sunday, July 182021 CQ World Wide VHF Contest官网：https://www.cqww-vhf.com/每年CQWW将会举办VHF竞赛，VHF比赛中业余无线电爱好者可以使用6米波段(50MHz ...
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2021 CQ World Wide VHF ContestBegins: 1800 UTC Saturday, July 17Ends: 2100 UTC Sunday, July 182021 CQ World Wide VHF Contest官网：https://www.cqww-vhf.com/每年CQWW将会举办VHF竞赛，VHF比赛中业余无线电爱好者可以使用6米波段(50MHz ...
2021 IARU HF 世界锦标赛即将开始比赛资料：IARU HF World Championship官网：http://www.arrl.org/i...