Satellite Tracking & Communications — satellite tracking with built-in Hamlib Doppler & Rotator controls, SDR supports, AX.25, APRS, FT4, Q65, Image reception(built-in SatDump), AI CW decoding, telemetry decoding(built-in gr-satellite) and EME.

python satellite ham-radio amateur-radio sdr doppler eme sstv hamlib satellite-tracking ssdv gpredict fastapi ctcss ft4 pyside6 q65

• Updated Nov 12, 2026
• Python

Generates CTCSS tones for ham radio

arduino ham-radio ctcss

• Updated Sep 8, 2019
• OpenSCAD

DSD-FME digital voice decoder with a web UI: spectrum, waterfall, trunking, call log and radio map.

dtmf analog rtl sdr rtl-sdr web-interface dcs p25 software-defined-radio dsd dmr ctcss trunking hytera dsd-fme

• Updated Nov 8, 2026
• C

Open-source macOS Bluetooth intercom and bidirectional audio routing utility. Latest version added device selection in Mac Menu Bar.

audio radio c macos swift open-source cplusplus bluetooth coreaudio goertzel-algorithm intercom sdr webrtc-vad ctcss goertzel-filter squelch

• Updated Oct 4, 2026
• C

A CTCSS Encoder using the SiLabs C8051F531A MCU. Describes the hardware (schematic and images of the prototype) and includes all source code for the application.

radio c hardware dds keil silabs tone-generation ctcss small-form-factor-mcu c8051f53x

• Updated Jan 6, 2022
• C

CTCSS tone generator in Rust based on RP2040 microcontroller using PDM.

rust ham-radio rust-lang oled hamradio oled-display-ssd1306 embassy ctcss rp2040 sdd1306

• Updated Jul 28, 2026
• Rust

CTCSS tone generator using DDS

generator ham-radio ctcss

• Updated Jan 21, 2022
• C

Arduino Nano replacement for Icom UT-34 CTCSS module

arduino icom ctcss ut-34

• Updated Mar 14, 2025
• C++

Pocketable Raspberry Pi 4 + MikroTik mAP lite RF scanner with CTCSS/DCS tone decoding (built for situational awareness at horse shows, fairgrounds, outdoor events) + toggleable DefCon-Mode captive-portal Rickroll. Receive-only by design; talk-back is on the operator's own licensed radio.

raspberry-pi mikrotik wifi captive-portal rtl-sdr defcon routeros bmn ctcss openwebrx rf-scanner dcs-decoder

• Updated Jun 7, 2026

Yaesu FTS-8 CTCSS Replacement (Encoder Only)

yaesu ctcss fts-8 ft-736

• Updated Jul 13, 2026