SIGINT Sources#
The data sources SIGINT collection draws from. Coverage, cost, and legal authority differ by source; the operator picks the source that satisfies the collection requirement at the lowest OPSEC and legal load.
Source |
Description |
|---|---|
HF / VHF / UHF radio |
Voice, packet, push-to-talk. |
Cellular |
GSM, LTE, 5G NR; downlink decoding with srsRAN. |
Satellite |
Inmarsat, Iridium, Starlink uplinks; downlinks within legal authority. |
Wi-Fi |
Management frames, probe requests, deauth, association. |
Bluetooth / BLE |
Advertisements, GATT services, classic profiles. |
ISM / SRD |
433 MHz, 868 MHz, 915 MHz; sensors, alarm panels, garage openers. |
ADS-B / AIS |
Aircraft and ship transponders. |
References#
SIGINT for the discipline overview.
SIGINT Tools for the operator’s kit.
SIGINT Techniques for the tradecraft.