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amateur radio open source Technology

Web JJY: Sync Radio-Controlled Clocks in Your Browser Using Audio Harmonics

9M2PJU 30.09.2026

Web JJY simulates Japan's 40 kHz LF time broadcast inside modern web browsers, using Web…

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amateur radio open source Technology
9M2PJU 0 Comments

9M2PJU WebTimeSignal: Universal Browser-Based Radio Clock Synchronizer for Casio, Citizen, Seiko, and Atomic Timepieces

9M2PJU WebTimeSignal turns your browser into a universal LF time signal transmitter (JJY, WWVB, DCF77,…

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17.09.2026
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