Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training Program by Alexander, Kristina

Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training Program (Paperback) (ISBN-13: 9781288665754)

Vendor: Kristina Alexander
Product type: Books
Format: Paperback
$14.75
$14.75
$14.75
Subtotal: $14.75
Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training Program by Alexander, Kristina

Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training Program

$14.75
Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training Program by Alexander, Kristina

Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training Program

$14.75
Format: Paperback
Description
Description
x
Mid-frequency active (MFA) sonar emits pulses of sound from an underwater transmitter to help determine the size, distance, and speed of objects. The sound waves bounce off objects and reflect back to underwater acoustic receivers as an echo. MFA sonar has been used since World War II, and the Navy indicates it the only reliable way to track submarines, especially more recently designed submarines that operate more quietly, making them more difficult to detect.

Author: Kristina Alexander
ISBN-10: 128866575X
ISBN-13: 9781288665754
Publisher: Bibliogov
Language: English
Published: 01/28/2013
Pages: 22
Format: Paperback
Weight: 0.13lbs
Size: 9.69h x 7.44w x 0.05d

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