American Military News by David Vergun - U.S. Department of Defense May 09, 2020
The Federal Communications Commission’s granting of a license to a private company threatens to undermine the Defense Department’s Global Positioning System capabilities, as well as that of the civilian sector, which also relies on GPS, DOD officials told Congress.
DOD Chief Information Officer Dana S. Deasy; Undersecretary of Defense for Research and Engineering Michael D. Griffin; Space Force Gen. John W. “Jay†Raymond, chief of space operations and commander of U.S. Space Command; and retired Coast Guard Adm. Thad W. Allen spoke at a Senate Armed Services Committee hearing on DOD spectrum policy and the impact of the FCC’s Ligado Networks decision on national security.
Ligado is a U.S. satellite communications company formerly known as LightSquared.
“It’s all at risk now,†he said, and he explained why.
GPS relies on picking up very weak signals transmitted from GPS satellites to ground-based receivers. Ligado’s loud signals from a spectrum would effectively drown out those weak signals, he said. This would force the department to redesign and rebuild its infrastructure, which would cost billions of dollars and would take decades to accomplish, he added.
More:
https://americanmilitarynews.com/2020/05/dod-private-sector-leaders-see-danger-to-gps-due-to-fcc-licensing-ruling/