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The SeaWatch system consists of an autonomous electronic surveillance package mounted on an autonomous surface vessel. Its purpose is to provide a long dwell maritime capability to detect electronic emissions related to illicit maritime activity.

SeaWatch detects emissions that are either too weak to be picked up by more distant means, and also assists in localizing emissions by providing additional bearings from a different aspect relative to the emittor.

Utilizing off-the-shelf equipment, internal development, and strategic partnerships, ThayerMahan has developed a system to continuously monitor the seas for RF activity. The ultra-endurance unmanned surface vehicle that hosts the payload, allows for self-sustained mission times of 90 days or greater. This monitoring, combined with the DF software, allows for an effective means to track down and intercept targets of interest.

A user-friendly interface allows for the active tracking of multiple RF bands at once and access to recorded transmissions all on the same screen. Activity of interest is recorded and stored for further analysis, even with no active user monitoring the interface. SeaWatch communicates via BGAN Satellite Internet coverage, so detection and interdiction is possible anywhere on the water.

SeaWatch has demonstrated the ability to exfiltrate sensor data directly to a client facility or to ThayerMahan's Ops Center in Groton, CT. This proprietary system/capability uses an autonomous Radio Frequency (RF) interceptor and accompanying Direction Finding (DF) software.

SeaWatch's long-endurance, low-observable, unmanned surface vehicle, with its integrated electromagnetic signals (ES) sensing system, recently completed a successful 84-day on-station mission for a US Government client.

System News