Accession Number:

ADA009864

Title:

Calibration of HLF-3 Low Frequency Hydroacoustic Source.

Descriptive Note:

Corporate Author:

HYDROACOUSTICS INC ROCHESTER N Y

Personal Author(s):

Report Date:

1975-03-10

Pagination or Media Count:

38.0

Abstract:

Calibration results of an underwater sound source are described. This source produces source level of 198 dBu 1 microP a at 1m at 210 Hz and has an output exceeding 193 dB over the band from 170-310 Hz. It contains an integral hydraulic power supply and hydroacoustic amplifier and requires no electronic power amplifiers. The calibration data include Transmitting Response 100-600 Hz , Polar Patterns, Output Spectra, and PUlse Photographs. Data are included for both 99 feet and 323 feet depths the source is rated for 1000 feet without pressure compensation.

Subject Categories:

  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE