The Anti-Jamming GNSS, a Global Navigation Satellite Systems (GNSS) Antenna and Receiver System Resistant to Jamming and spoofing, developed by Meteksan Defense through domestic and national facilities, has been integrated been into Turkey's the offshore supply ship named Osman Bey.
Since GNSS signals travel long distances till they reach receivers, they weaken due to atmospheric effects. This causes these signals to be easily suppressed by various jammers.
Using spatial filtering, Meteksan’s Anti-Jamming GNSS system and detect the direction of these jamming signal and suppress them.
For more find more information about the product here: Anti-Jamming GNSS system