A correlation speed log for deep waters By Gwyn Griffiths Southampton Oceanography Centre Southampton, UK and Steven E. Bradley
A correlation speed log for deep waters By Gwyn Griffiths Southampton Oceanography Centre Southampton, UK and Steven E. Bradley
![Simrad Navigation on Twitter: "IMO type-approved speed log for measuring longitudinal speed with proven Acoustic Correlation technology > SAL R1A https://t.co/MUoczkQDAQ… https://t.co/GQWEXM02aw" Simrad Navigation on Twitter: "IMO type-approved speed log for measuring longitudinal speed with proven Acoustic Correlation technology > SAL R1A https://t.co/MUoczkQDAQ… https://t.co/GQWEXM02aw"](https://pbs.twimg.com/media/DEoMx6HXcAEjFIq.jpg)