Antenna surface HPI old.jpg
![](/sites/default/files/styles/embed_lg_1x/public/Antenna%20surface%20HPI%20old_0.jpg?itok=SiBkYDF6)
Date:
12 October 2015
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).