Notes
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Radio
Baofeng UV-5R
Setup notes, programming, and field performance for Baofeng UV-5R.
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Gear & Guides
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Overview — What CTCSS and DCS Are
CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digital-Coded Squelch) are privacy code systems used in analog two-way radio communications. They do not create new channels nor…
Engineering a Low-Cost APRS Node with Raspberry Pi, DigiPi, and a Baofeng UV-5R Mini
Overview APRS (Automatic Packet Reporting System) remains one of the most mature examples of distributed RF data networking in real-world use. Long before the rise of…