QuikScat Measures Bill's Winds from Space (IMAGE) NASA/Goddard Space Flight Center Caption QuikScat used microwaves to peer through Bill's clouds and measure his winds on August 18 at 5:23 p.m. EDT when Bill was a powerful Category 4 hurricane. Credit NASA JPL, Peter Falcon Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.