Accession Number:

ADA106355

Title:

HLF-3 1981 Summer Tow Operations Report.

Descriptive Note:

Final rept.,

Corporate Author:

HYDROACOUSTICS INC ROCHESTER NY

Personal Author(s):

Report Date:

1981-09-29

Pagination or Media Count:

19.0

Abstract:

Preparation and deployment of the HLF-3 acoustic source for 1981 summer tow operations is described. Preparation included preparation of a long 3000-foot cable for towing the source, addition of a pneumatic compensation system and construction of a revised instrumentation system for deep towing. The source was towed in the Pacific for over 300 hours and generally performed well. The source was towed and operated briefly at 1380 feet submergence to test the modification, and operated well with a slight upward shift in frequency of peak output. Author

Subject Categories:

  • Acoustic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE