1. SonTek/YSI – Introduction Founded in 1992 in San Diego, California, USA Core Technology is electro acoustic products to measure water velocity based on the Doppler principle in: The Ocean Along the Coast Rivers, Canals, Estuaries Hydraulics laboratories

2. SonTek/YSI – Application in Pacific Ocean Argonaut-MD used for Climate/ El Nino studies NOAA ship services deep sea moorings in the Pacific that use the Argonaut-MD for Ocean circulation studies

3. SonTek/YSI – Applications in Chinese Rivers Shanghai – RiverCAT Regatta

4. SonTek/YSI – Applications For Orellana Irrigation Canal project in Spain Craig Huhta

5. SonTek/YSI – 2009 Number of employees: 65 (SonTek); 270 (YSI HQ) USA Offices: California, Ohio, Louisiana, Florida, Utah, Massachusetts International Offices: United Kingdom, Ireland, Bahrain, Japan, China, Hong Kong, Australia, India SonTek/YSI headquarters in San Diego, California, USA