Key Takeaways Globalstar will double its Estonia ground station, adding three antennas and new infrastructure.The $9M project supports the C-3 system, part of a plan to deploy up to 90 new antennas globally.The Estonia site is key for emergency SOS and connectivity in areas without mobile coverage.Globalstar, Inc. (GSAT) has announced the start of construction to expand its ground station in Estonia. The facility, operated by its wholly-owned subsidiary Globalstar Europe SAS, will be doubled in size to stre ...