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A comment on Hacking Ham Radio for Texting. Parent comment

Re:Hacking Ham Radio for Texting by GekkePrutser on Wednesday November 17, 2021 @09:02PM (#29261252)
Thanks this protocol is very interesting. Hadn't heard of it yet.
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Re:Hacking Ham Radio for Texting by ajsnigrutin on Wednesday November 17, 2021 @09:36PM (#29261445)
Same guy also build his own gps receiver from scratch(!) in 1991(!)

http://lea.hamradio.si/~s53mv/navsats/theory.html

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