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Custom firmware for the HackRF SDR + PortaPack H1 addon
A modem/TNC to generate the AFSK audio tones for sending APRS messages using a Raspberry Pi Pico
AFSK 1200 X.25 APRS Modulator & Demodulator
Old school Arduino modem, Bell 103 compatible, at 300 baud
My own custom firmware for the HackRF SDR + PortaPack H1 addon - Not for the faint-hearted.
Dorji DRA818V VHF transmitter module shield for Arduino UNO & compatibles
This project will have the files for a Cube Sat Telemetry system Using Raspberry Pi Transmitter Board
Simple Bluetooth KISS AFSK1200 TNC based on LibAPRS
simulation for the modulation and demodulation of audio frequency-shift keying
Terminal Node Controller and APRS Tracker Project
Chat using „enhanced“ end-to-end-enryption and modulation of audio signal in isolated device, ensuring privacy, anonymity and cybersecurity.
Generic AX.25 beacon packet generator library for APRS
An airgapped encryption/decryption device for off-grid communication
This repository will have the Transponder and Telemetry software applications.
GNU Radio hier blocks to implement HDLC AFSK modulation