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- Amateur ham radio Q-code quiz
- Android 应用: 教育 来自: KG9E
- 免费
- 列表: 0 0 0
- 12K 黄金 积分: 0 + 10 版本: 1.1.16 No ads, nags, social media, or in-app purchases. No internet required. Free ham radio learning app. Q-codes, or Q-signals, are used by amateur ham radio operators (and other radio ...
