Subscriptions are required for Atlas Broad-Acre and Row-Crop. Atlas Broad-Acre subscription is for 1 year, and Atlas Row-Crop can be a 3 month or 1 year subscription.
Once a subscription expires, the correction type will revert to Atlas Basic, and GPS accuracy level will decrease. In the picture below, the circle shows where the Atlas subscription level and expiration date will be located. If it shows “Expires: Never”, this means it is on Atlas Basic.