Ancient Web: Modulated Light DX Sent Audio 104 Miles Through

Chris Long and Mike Groth's Modulated Light DX pages preserve decades of amateur optical communication experiments, including a 167-kilometer audio-modulated light link across Tasmania.

https://switchboardtechservices.com/articles/ancient-web-modulated-light-dx-sent-audio-104-miles-through-the-air/

By Switchboard Tech Services · Originally published 2026-07-16

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