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February
2nd 2009
Sea Shepherd Under Fire!

Posted under Video & Whaling

Update from the Steve Irwin
1045 Hours (Sydney time, February 2nd)

The weather is getting worse as the Japanese fleet continues to flee westward at full speed with the Sea Shepherd ship Steve Irwin in pursuit.

The Japanese whaling ships have been jamming Sea Shepherd communications and have been deploying a long range acoustic weapon device to repel Sea Shepherd boats. The sound waves cause disorientation and nausea.
The deployment of military weapon systems in the Antarctic Treaty Zone is a violation of international law.

The whalers are becoming increasingly violent in defense of their illegal activities.

“It is a very dramatic scene out here as ships zig zag back and forth in thick ice and heavy swells,” said Captain Paul Watson. “The whalers are deploying water cannons, concussion grenades, acoustic weapons, and throwing solid brass and lead balls at Sea Shepherd crewmembers. If we were to do any of the things these thugs are doing, we would be denounced as eco-terrorists. There certainly is a double standard where whale killers can use violence without fear of condemnation from their government and we can’t even defend ourselves without condemnation from our governments. What is important however is that despite the violence from the whalers, no whales are being killed. They can’t get away from us and if we keep on their tail they can’t kill whales.”
 
Japanese whalers aim long range acoustic device, a military class weapon at the crew of the Sea Shepherd ship Steve Irwin. This LRAD emits mid to high frequency sound waves that can disorient, confuse, cause nausea and vomiting and temporary sometimes permanent deafness.

It is illegal for a military type weapon to be deployed by civilians against civilians in the waters of the Southern Ocean.

What is LRAD?

The long range acoustic device (LRAD) is a crowd-control and hailing device developed by American Technology Corporation.

LRAD as used in the US Navy

LRAD as used in the US Navy

According to the manufacturer’s specifications, the equipment weighs 45 pounds (20 kg) and can emit sound in a 30° beam (only at high frequency, 2.5 kHz) from a device 33 inches (83 cm) in diameter. At maximum volume, it can emit a warning tone that is 146 dBSPL (1,000 W/m²) at 1 metre, a level that is capable of permanently damaging hearing, and higher than the normal human threshold of pain (120 – 140 dB). The maximum usable design range extends to 300 metres. At 300 metres, the warning tone (measured) is less than 90 dB. The warning tone is a high-pitched shrill tone similar to that of a smoke detector.

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 LRAD Facts

Range: 300 meters (984 feet or about 3 city blocks) over land or 500 meters (1640 feet) over water, depending on environmental conditions

Beam width: About 30 degrees

Size: 33-inch diameter by 5-inch thickness

Weight: 45 lbs

Input: Microphone, laptop, MP3 player, CD player, Phraselator translation device

Maximum Volume: 120 dB at 1 meter in normal operation, 146 dB sustained or 151 dB burst at 1 meter with override.

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