TRX new spec sheet advertises an ATAK plugin for integration with its non-GPS/indoor navigation system.
Here’s an excerpt of what it offers:
NEON® Squad Tracker is a low SWaP, GPS-denied
navigation solution for dismounted warfighters. Squad
Tracker provides ubiquitous location, tracking and
mapping for personnel operating in areas where GPS is
unavailable, in a solution easily integrated into military
position, navigation, and timing (PNT) architectures.
Sensor fusion for dismount personnel
Flexible 3rd party constraint processing
Integrates with resilient PNT sources
Warfighter map/waypoint check-in
UWB ranging and constraint sharing
Operation indoor, underground, and outdoors
API delivers warfighter location, motion, gait
ATAK and Nett Warrior Plug-Ins