Description

Letter to J.L. Schwartz from Dave Porta, dated 5/26/1981; Model EES-200 Environmental Echo Sounder product data; Model DFS-210 Dual Frequency Scientific Sounder product data; Sonar recording samples; Model UTV-140 Underwater Tow Vehicle product data; Model HFT-120 High Frequencey Transponder product data; Model DSS- 350 Deep Sound Source product data; Model SBP-500 Sub-Bottom Profiling Transceiver product data; Klein Associates Contact Report dated 9/9/1981; Model SST-320 Side Scan Transponder product data; Letter to William Key, Klein Associates, Inc. from Dave Porta dated 8/20/1980; "Product Development" from Sea Technology, October 1981; "An Underwater Acoustic System for Remote Sensing of Fluid and Biological Processes" by Dave Porta, from Sea Technology, January 1982 (2 copies); Klein Associates Contact Report dated 6/2/1982; Model SBP-5000 Sub Bottom Profiling/Pipeline Tracking System product data; "Acoustic Remote Sensing System Used in Dredge Spoils Study" from Sea Technology, July 1983; Model SST-320 Side Scan Sonar Transponder product data (3 copies); Model SBP-5000 Sub-Bottom Profiling System product data and price quotation; Model DFS-2100 Dual Frequency Acoustic Remote Sensing System product data (2 copies); Model ENT-380 Acoustic Navigation Transponder product data (2 copies); Aquarange product data; Model ATR-397 Acoustic Transponding Release product data (2 copies); Model BFP-312HP High Power Bottom Finding Pinger product data (2 copies); Model DRI-267 Aquarange Diver Operated Range Interrogator product data (2 copies); ASA-900 Series Sonar Altimeter product data (2 copies); Model UAP-343/344 Tracking Pinger product data (2 copies); Aquarange 2000 "ROV" Acoustic Navigation System product data (2 copies); Model SPR-1200 Seismic Profiling System product data; CAP-6000A CHIRP Acoustic Profiler data; Letter to Dave Porta from M. Klein, dated 6/11/1990; Folder containing: product data for Aquanav, Model SBP-5000 Sub Bottom Profiling System, Model SPR-1200 Seismic Profiling System, Acoustic beacons, Model UAP-367 Mini-Beacon/Responder/Transponder, UAP-344 Series Multi-Purpose Maxi-Beacon, Model UAB-353 Acoustic Positioning Beacon, Model UAB-356 Acoustic Positioning Beacon, Model UAB-357 Riser Angle Beacon, Model PSA-902 Multi-Channel High Resolution Acoustic Ranging System, Model PSA-900 Programmable Sonar Altimeter, Telemetering Transpond-Release System, Model ATM-840/ATM-850 Acoustic Telemetry Modems; "Specifications & Applications for an Advanced Acoustic Telemetry System," by Josko Catipovic, Daniel Frye, & Dave Porta; "FM 'CHIRP' Sub-Bottom Profiler for Pipeline Surveys and Bottom Classification," by Lester LeBlanc, Steven Schock, & William Dalton