November 13, 2025
Radio Frequency (RF) Detection: Listening to the Signals Ships Can’t Hide
At a Glance The Invisible Layer of Remote Sensing Intelligence In maritime intelligence, what you can’t see often matters most. RF signals — the radio frequency emissions produced by shipboard systems — are a constant, invisible signature of activity at sea. Every vessel equipped with radar, VHF radio, or satellite communications transmits unique patterns that...
