SCOTTSDALE, AZ, USA – March 15, 2016 – Today, Hemisphere GNSS announces the release of S321, their next-generation multi-frequency, multi-GNSS survey smart antenna. The all-new S321 combines Hemisphere’s Athena™ and Atlas® technologies along with a completely new web UI offering an unparalleled level of customer-friendly performance making it an ideal fit into any land or marine survey portfolio.