iNTERCEPT - Signal Intelligence Platform

Capabilities

Everything you need for signal intelligence in one interface

Pager Decoding

Decode POCSAG and FLEX pager messages using rtl_fm and multimon-ng. Monitor emergency services and legacy paging systems.

433MHz Sensors

Decode 200+ protocols including weather stations, TPMS, smart home devices, and IoT sensors via rtl_433.

Sub-GHz Analyzer

HackRF-based signal capture and protocol decoding for 300-928 MHz ISM bands with spectrum analysis and replay.

Listening Post

Frequency scanner with real-time audio monitoring, fine-tuning controls, and customizable frequency presets.

CW/Morse Decoder

Morse code decoding with custom Goertzel tone detection for CW and OOK/AM envelope detection for ISM band signals.

WebSDR

Remote HF/shortwave listening via the KiwiSDR network. Access receivers worldwide with real-time audio streaming.

Spy Stations

Number stations and diplomatic HF network database. Frequencies, schedules, and background info from priyom.org.

APRS

Amateur packet radio position reports and telemetry via direwolf. Track amateur radio operators on an interactive map.

Utility Meters

Smart meter monitoring via rtlamr. Receive electric, gas, and water meter broadcasts in real time.

Aircraft Tracking

Real-time ADS-B tracking with interactive maps, aircraft photos, emergency squawk detection, and range visualization.

ACARS

Aircraft datalink messages via acarsdec. Decode operational, weather, and position reports from commercial flights.

VDL2

VHF Data Link Mode 2 aircraft datalink decoding via dumpvdl2. Real-time ACARS-over-AVLC message capture with signal analysis.

Vessel Tracking

Real-time AIS ship tracking via AIS-catcher. Monitor maritime traffic with vessel details, course, speed, and destination.

Satellite Tracking

Track satellites with TLE data, sky plots, ground track visualization, and pass predictions for your location.

Weather Satellites

NOAA APT and Meteor LRPT image decoding via SatDump with auto-scheduler, polar plot, and ground track map.

ISS SSTV

Receive Slow Scan Television from the ISS. Real-time tracking globe, pass predictions, and image decoding.

HF SSTV

Terrestrial SSTV on shortwave frequencies. Decode amateur radio image transmissions across HF, VHF, and UHF bands.

WeFax

HF weather fax decoder with broadcast timeline, auto-scheduler, and image gallery for marine weather charts.

GPS Tracking

Real-time GPS position tracking with live map, speed, heading, altitude, satellite info, and track recording.

Radiosonde

Weather balloon tracking on 400-406 MHz via radiosonde_auto_rx. Real-time telemetry, trajectory map, and station distance.

Space Weather

Real-time solar and geomagnetic monitoring. Kp index, HF band conditions, solar imagery, D-RAP maps, and aurora forecasts from NOAA SWPC.

WiFi Scanning

Monitor mode reconnaissance via aircrack-ng. Network discovery, client tracking, and handshake capture.

Bluetooth Scanning

Device discovery with tracker detection for AirTags, Tile, Samsung SmartTag, and other Bluetooth devices.

BT Locate

SAR Bluetooth device location with GPS-tagged signal trail mapping, IRK-based RPA resolution, and proximity audio alerts.

TSCM

Counter-surveillance with baseline recording, threat detection, device correlation, and risk scoring.

Meshtastic

LoRa mesh network integration. Connect to Meshtastic devices for decentralized, long-range communication monitoring.

Remote Agents

Distributed signal intelligence with remote sensor nodes. Deploy agents across multiple locations and aggregate data to a central controller.

Offline Mode

Run without internet using bundled assets. Choose from multiple map tile providers or use your own local tile server.

System Health

Real-time telemetry dashboard with process monitoring, system metrics, and SDR device status overview.

Quick Start

Get up and running in minutes

Supported Platforms: Officially tested on Debian and Ubuntu. Partial support for macOS. Other distributions have not been fully tested.

Standard Installation

git clone https://github.com/smittix/intercept.git
cd intercept
./setup.sh
sudo -E venv/bin/python intercept.py

Requires Python 3.9+ and RTL-SDR drivers

Docker

git clone https://github.com/smittix/intercept.git
cd intercept
docker compose --profile basic up -d --build

Requires privileged mode for USB SDR access

After starting, open http://localhost:5050 in your browser.

Default credentials: admin / admin