Mr. McGehee has measured currents using a variety of instruments on moored, drifting, and profiling platforms under challenging conditions at various locations:

• Columbia River Entrance, WA/OR
   

• Siuslaw River Entrance, OR
   

• Indian River Inlet, DE
   

• Mobile Harbor Entrance, AL
   

• Panama City Harbor Entrance, FL
   

• Los Angeles/Long Beach Harbors