It's one of the most controversial new pieces of electronics: omnidirectional sonar.
All You Wanted to Know about CHIRP Sonar - Wired2Fish
Sonar Survey Reveals the Lost WWII Ships of Dunkirk
How Does Sonar Work? It Depends on Your Need for Stealth
The vinyl frontier: why do we keep sending music to outer space?, Pop and rock
Sonar wars flare: Humminbird Mega, Garmin UHD, Lowrance FishReveal & more - Panbo
Marine Electronics for Offshore Sport-Fishing Boats
US Navy banned from using sonar that harms dolphins and walruses, US military
Chinese researchers develop powerful shoebox-sized sonar system - Interesting Engineering
How to stop any repeat of the Australia-China sonar incident
Navy plans extensive training in Pacific Northwest. Here's how many animals could be hurt.
