1. Glass Flotation Network and Data Storage Lead Acid Battery Acoustic Release Anchor 378 Meter Aperture 32 3-axis vector sensors 12.2 meter spacing 378 meter aperture 64 element hydrophone array 6.1 meter spacing, 125 Hz 189 meter aperture 64 element hydrophone array 3 meter spacing, 250 Hz 94.5 meter aperture 64 element hydrophone array 1.5 meter spacing, 500 Hz ARAP Overview

2. ARAP Acoustic Sensor Electronics Module 3 variations; -1, -3, or -7 preamp hydrophones (-1 version shown) 4.5 inch inside diameter Lengths - – -1 = 8.25” – -3 = 9.25” –-7 = 11.25 “ Aluminum

3. ARAP Test Array Scientific array –Validate low ambient noise at depth –Demonstrate RAP performance in area of interest –Proof of concept vector sensor array –Provide data for deployable array design Deploy/Recover from R/V Record element level data Glass Flotation Network and Data Storage Lead Acid Battery Redundant Acoustic Release Anchor 378 Meter Aperture Mechanical Cable Torque Balanced

4. Hydrophone spacing 5.0 Feet (1.52 m) Vector + hydrophone + 7 Hydrophones w/ preamp 8 assemblies required flotation 2 SeaBatteries Vector sensor spacing 40.0 Feet (12.2 m) ~16 feet D Module (500 Hz hydrophone array)

5. Hydrophone spacing 5.0 Feet (1.52 m) Vector + hydrophone + 7 Hydrophones w/ preamp 8 assemblies required flotation 2 SeaBatteries Vector sensor spacing 40.0 Feet (12.2 m) ~16 feet D Module (500 Hz hydrophone array)

6. Hydrophone spacing 10.0 Feet (3.04 m) Vector + hydrophone + 3 Hydrophones w/ preamp 8 assemblies required flotation SeaBattery Vector sensor spacing 40 Feet (12.2 m) ~16 feet B Module (250 Hz hydrophone array)

7. ARAP Vector Sensor Steel strength members Hydrophone Spherical vector sensor 16 spring VS suspension Delrin cage Electronics housing w/compass & tilt sensors Weight in air = 75 lbs Weight in water = 20 lbs

8. Data Collection Node DCN Pressure Housing –Network Controller –2 Single Board Computers (LINUX) –8 each 100 GBYTE HDD Acoustic Modem Flotation 4 Sea Batteries 40 feet above topmost vector sensor Weight in air = 785 lbs Weight in water = ~200 lbs

10. Recovery – Incremental lifts