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Morse code key types: Paddles, sideswipers, and bugs (electronics-notes.com) 2 points by Noumenon72 on Feb 22, 2023 | past Connectivity: Wireless and Wired (electronics-notes.com) 2 points by zaxcellent on Jan 16, 2021 | past Amateur Radio Moonbounce, EME Propagation (electronics-notes.com) 15 points by UnmitigatedFart on Nov 26, 2019 | past Hedy Lamarr: inventor of frequency hopping (electronics-notes.com) 1 point by DyslexicAtheist on April 16, 2018 | past

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