5d4b19aef2
The sweep loop's WiFi/BT/RF scan processing had unprotected timeline_manager.add_observation() calls that could crash an entire scan iteration, silently preventing all device events from reaching the frontend. Additionally, scan interval timestamps were only updated at the end of processing, causing tight retry loops on persistent errors. - Wrap timeline observation calls in try/except for all three protocols - Move last_*_scan timestamp updates immediately after scan completes - Add per-device try/except so one bad device doesn't block others - Emit sweep_progress after WiFi scan for real-time status visibility - Log warning when WiFi scan returns 0 networks for easier diagnosis - Add known_device and score_modifier fields to correlation engine - Add TSCM scheduling, cases, known devices, and advanced WiFi indicators Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
INTERCEPT
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Signal Intelligence Platform
A web-based interface for software-defined radio tools.
Features
- Pager Decoding - POCSAG/FLEX via rtl_fm + multimon-ng
- 433MHz Sensors - Weather stations, TPMS, IoT devices via rtl_433
- Aircraft Tracking - ADS-B via dump1090 with real-time map and radar
- Vessel Tracking - AIS ship tracking with VHF DSC distress monitoring
- ACARS Messaging - Aircraft datalink messages via acarsdec
- Listening Post - Frequency scanner with audio monitoring
- Satellite Tracking - Pass prediction using TLE data
- ADS-B History - Persistent aircraft history with reporting dashboard (Postgres optional)
- WiFi Scanning - Monitor mode reconnaissance via aircrack-ng
- Bluetooth Scanning - Device discovery and tracker detection (with Ubertooth support)
- Meshtastic - LoRa mesh network integration
- Spy Stations - Number stations and diplomatic HF network database
- Remote Agents - Distributed SIGINT with remote sensor nodes
- Offline Mode - Bundled assets for air-gapped/field deployments
Installation / Debian / Ubuntu / MacOS
**1. Clone and run:**
```bash
git clone https://github.com/smittix/intercept.git
cd intercept
./setup.sh
sudo -E venv/bin/python intercept.py
Docker (Alternative)
git clone https://github.com/smittix/intercept.git
cd intercept
docker compose up -d
Note: Docker requires privileged mode for USB SDR access. See
docker-compose.ymlfor configuration options.
ADS-B History (Optional)
The ADS-B history feature persists aircraft messages to Postgres for long-term analysis.
# Start with ADS-B history and Postgres
docker compose --profile history up -d
Set the following environment variables (for example in a .env file):
INTERCEPT_ADSB_HISTORY_ENABLED=true
INTERCEPT_ADSB_DB_HOST=adsb_db
INTERCEPT_ADSB_DB_PORT=5432
INTERCEPT_ADSB_DB_NAME=intercept_adsb
INTERCEPT_ADSB_DB_USER=intercept
INTERCEPT_ADSB_DB_PASSWORD=intercept
Other ADS-B Settings
Set these as environment variables for either local installs or Docker:
| Variable | Default | Description |
|---|---|---|
INTERCEPT_ADSB_AUTO_START |
false |
Auto-start ADS-B tracking when the dashboard loads |
INTERCEPT_SHARED_OBSERVER_LOCATION |
true |
Share observer location across ADS-B/AIS/SSTV/Satellite modules |
Local install example
INTERCEPT_ADSB_AUTO_START=true \
INTERCEPT_SHARED_OBSERVER_LOCATION=false \
python app.py
Docker example (.env)
INTERCEPT_ADSB_AUTO_START=true
INTERCEPT_SHARED_OBSERVER_LOCATION=false
To store Postgres data on external storage, set PGDATA_PATH (defaults to ./pgdata):
PGDATA_PATH=/mnt/usbpi1/intercept/pgdata
Then open /adsb/history for the reporting dashboard.
Open the Interface
After starting, open http://localhost:5050 in your browser. The username and password is admin:admin
The credentials can be change in the ADMIN_USERNAME & ADMIN_PASSWORD variables in config.py
Hardware Requirements
| Hardware | Purpose | Price |
|---|---|---|
| RTL-SDR | Required for all SDR features | ~$25-35 |
| WiFi adapter | Must support promiscuous (monitor) mode | ~$20-40 |
| Bluetooth adapter | Device scanning (usually built-in) | - |
| GPS | Any Linux supported GPS Unit | ~10 |
Most features work with a basic RTL-SDR dongle (RTL2832U + R820T2).
| ❗ Not using an RTL-SDR Device? |
|---|
| Intercept supports any device that SoapySDR supports. You must however have the correct module for your device installed! For example if you have an SDRPlay device you'd need to install soapysdr-module-sdrplay. |
| ❗ GPS Usage |
|---|
| gpsd is needed for real time location. Intercept automatically checks to see if you're running gpsd in the background when any maps are rendered. |
Discord Server
Documentation
- Usage Guide - Detailed instructions for each mode
- Distributed Agents - Remote sensor node deployment
- Hardware Guide - SDR hardware and advanced setup
- Troubleshooting - Common issues and solutions
- Security - Network security and best practices
Disclaimer
This project was developed using AI as a coding partner, combining human direction with AI-assisted implementation. The goal: make Software Defined Radio more accessible by providing a clean, unified interface for common SDR tools.
This software is for educational and authorized testing purposes only.
- Only use with proper authorization
- Intercepting communications without consent may be illegal
- You are responsible for compliance with applicable laws
License
MIT License - see LICENSE
Author
Created by smittix - GitHub
Acknowledgments
rtl-sdr | multimon-ng | rtl_433 | dump1090 | AIS-catcher | acarsdec | aircrack-ng | Leaflet.js | Celestrak | Priyom.org