Retrieving Salinity Temperature Depth instrument during launch survey operations . This information is required for both sound velocity and ray-bending corrections.

Image ID: cgs01745, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Alaska Peninsula, Pavlof Islands
Photo Date: 2009 August 4
Photographer: Jenny Thacker, Office of Coast Survey


• High Resolution Photo Available