Falmouth HMS-620 Bubble Gun - Portable Low-Frequency Acoustic Seismic Sub-Bottom Systems. Low-frequency acoustic signals provide superior sub-bottom signal penetration vertically through coarse sand, gravel tills, and other difficult-to-penetrate sediments. Small component size, portability, and low power requirements make this a valuable tool for any survey platform. Multiple Sources can be synchronized to a common trigger without need for external timing control.
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