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Passive Satellite Scout System

Passive‑only satellite communication reconnaissance system, capturing voice, text, fax and data traffic while extracting terminal identity and GPS location metadata.

Passive Voice/Text Interception GPS Location
Passive Satellite Scout System scene diagram: satellite, satellite‑terminals, uplink‑downlink receiving antennas and supervisory control unit.

Overview

Passive Satellite Scout System (P‑SATS). A fully‑passive satellite‑link reconnaissance system for security‑agency intelligence missions. It passively receives and restores satellite‑communication signals, retrieving voice, SMS, fax and data payloads. It also collects terminal identifiers and GPS geolocation data to support criminal investigation and situational awareness.

Highlight Features

Long‑Range Passive Reception Downlink detection up to 1000 km; uplink effective coverage reaches 10 km for satellite‑terminal signals.
Multi‑Satellite‑Network Support Compatible with Thuraya, GSPS, BGAN and Iridium mobile‑satellite communication systems.
Full‑Set Intelligence Extraction Calls, fax, text & data; harvests phone‑number, IMEI / IMSI / TMSI, GPS position and call‑duration logs.
Covert Passive Operation Pure receive‑only working mode, no radio emission, enabling disguised and undetectable field deployment.
Flexible Antenna Layout Integrated or separated uplink‑downlink antenna arrangement to adapt varied site‑deployment constraints.
History Recall & Trend Prediction Store communication records, support historical playback and behavioural‑trend analysis of satellite terminals.
Low‑Power Hardware Design 15‑20 W for single unit; below 100 W for four‑in‑one combined system, suitable for field‑site power‑limited scenarios.
Light‑Weight Portable Unit Highly‑integrated single‑mainboard architecture, compact and easy‑to‑transport for rapid on‑site setup.

Working Principle

Passive satellite‑link reconnaissance workflow.

Uplink and downlink antennas passively capture bidirectional satellite‑link signals without any RF transmission.

The system engine demodulates raw signals to restore voice, text and fax content, and parses terminal ID together with GPS location metadata.

Decoded intelligence is sent to the supervisory computer for real‑time monitoring, record storage and behavioural analysis.

Network Architecture

Distributed multi‑node deployment for multi‑satellite‑network coverage. Field scout nodes collect L‑band signals and forward data via C‑band channels.

All data converges at the central analysis platform for cross‑network correlation, terminal‑track reconstruction and comprehensive intelligence processing for security‑related missions.