“Seen & Heard” is a monthly feature of GPS World magazine, traveling the world to capture interesting and unusual news stories involving the GNSS/PNT industry. <hr class="wp-block-separator has-alpha-channel-opacity"/> <h3 class="wp-block-heading">Free navigation history course</h3> <div class="wp-block-image"> <figure class="aligncenter size-full is-resized"><img fetchpriority="high"…