VHLA-5 Vertical hydrophone line array

Backbone for building your own vertical hydrophone line array (using High Tech, Inc (TM) HTI-96, -92, and -99 series hydrophone on their standard 3/16" cable and a Soundtrap multi-channel recorder).  Includes an 8-m 3/8" Blue Steel (TM) line with one STH-440 or 640 Soundtrap Holder and two HPM-354 hydrophone mounts spaced 5-m apart (+/- 1cm). Hydrophone mount spacing is precisely measured (+/- 1cm) with 30 lbs of line tension. Spliced loops at each end of the line. Custom hydrophone spacings are available; email me for a quote. [Hydrophones and Soundtrap recorder not included].