Sigma Tech was intially tapped by RDA, Inc. to develop the Low-Cost Acoustic Processor in 2002.  The LCAP provides recording and real-time processing of digital and analog sonobuoys on the NAVAIR P3-C platform. The LCAP has flown numerous missions since 2003, and has been extremely reliable in flight. The LCAP is housed in a half-height rack and is certified to fly onboard the P3-C. 

The LCAP taps acoustic data from the legacy P3-C systems in several places.  The Acoustic data is provided via the ARR-78 receivers on the P3, the LCAP is capable of receiving any combination of up to 32 digital or analog buoys.  Buoy deployment, navigation data, legacy contact data and other legacy information is provided via an NTDS tap between the System Controller (SC) and the Tactical Computer (TC) onboard the P3.

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Last modified: December 18, 2005