GPS Protection 'Ample' in Planned Terrestrial Low-Power Service, Says Ligado
Ligado's planned terrestrial low-power service provides "ample" GPS protection, CEO Doug Smith told Commissioners Brendan Carr and Jessica Rosenworcel in meetings Tuesday, said an FCC docket 11-109 filing posted Wednesday. Ligado said it cut transmit power in all of its…
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bands to levels low enough to protect certified aviation devices and allow most other GPS devices to operate unimpeded. It said if some underperforming high-precision GPS devices need more protection, they can be filtered to coexist with Ligado or replaced. The company said its base station emissions into the global navigation satellite system band are much lower than base station emissions from other band users and well below regulatory requirements.