do you have a source for ATACMS using GNSS not GPS?

> do you have a source for ATACMS using GNSS not GPS?

GNSS is a general term that encompasses GPS and systems like it. GPS is the American GNSS.

https://www.gps.gov/systems/gnss/

GNSS is the umbrella term for satellite based positioning/navigation systems, since there’s now multiple in operation.

Ah, got it mixed up with GLONASS.