: Unlike standard AIS, which is limited by line-of-sight (about 20 miles), this service uses satellite or cellular data to track vessels thousands of miles away.
: Users typically download this data through the PredictWind DataHub , which fetches the latest AIS targets to display on a chartplotter or mobile app. Download Over the Horizon
In the maritime world, "Over the Horizon AIS" is a technical feature used for global vessel tracking. : Unlike standard AIS, which is limited by