Globalstar installs first C-3 tracking antenna in Clifton, Texas as constellation buildout proceeds

Globalstar/C-3 Constellation

Globalstar installed its first C-3 ground tracking antenna in Clifton, Texas, marking progress on the ground-station network needed for the new constellation. The company is expanding its global ground network across ~35 locations to handle higher-power C-3 signals and support Apple's expanded iPhone satellite services.

• First C-3 antenna installed June 2025; expansion continues through 2026.
• ~90 new tracking antennas across ~35 ground stations will handle higher transmit power and enable better indoor/vehicle coverage.
• Apple ground network investment of ~$450M supports network buildout and expansion.
• Constellation launch expected 2026 from SpaceX.